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Zhou E, Luo X, Jin H, Wang C, Lu Z, Xie Y, Zhou S, Chen Y, He Z, Ma R, Zhang W, Xie H, Jiao S, Lin Y, Bin DS, Huang R, Wu X, Kong X, Ji H. Breaking Low-Strain and Deep-Potassiation Trade-Off in Alloy Anodes via Bonding Modulation for High-Performance K-Ion Batteries. J Am Chem Soc 2024; 146:4752-4761. [PMID: 38334447 DOI: 10.1021/jacs.3c12654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
Alloy anode materials have garnered unprecedented attention for potassium storage due to their high theoretical capacity. However, the substantial structural strain associated with deep potassiation results in serious electrode fragmentation and inadequate K-alloying reactions. Effectively reconciling the trade-off between low-strain and deep-potassiation in alloy anodes poses a considerable challenge due to the larger size of K-ions compared to Li/Na-ions. In this study, we propose a chemical bonding modulation strategy through single-atom modification to address the volume expansion of alloy anodes during potassiation. Using black phosphorus (BP) as a representative and generalizing to other alloy anodes, we established a robust P-S covalent bonding network via sulfur doping. This network exhibits sustained stability across discharge-charge cycles, elevating the modulus of K-P compounds by 74%, effectively withstanding the high strain induced by the potassiation process. Additionally, the bonding modulation reduces the formation energies of potassium phosphides, facilitating a deeper potassiation of the BP anode. As a result, the modified BP anode exhibits a high reversible capacity and extended operational lifespan, coupled with a high areal capacity. This work introduces a new perspective on overcoming the trade-off between low-strain and deep-potassiation in alloy anodes for the development of high-energy and stable potassium-ion batteries.
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Affiliation(s)
- En Zhou
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Xiao Luo
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Hongchang Jin
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Chaonan Wang
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Zhiyu Lu
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Yuansen Xie
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
- Ningde Amperex Technology Limited (ATL), Ningde 352100, China
| | - Shaoyun Zhou
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
- Ningde Amperex Technology Limited (ATL), Ningde 352100, China
| | - Yawei Chen
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Zixu He
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Ruoxuan Ma
- Key Laboratory of Advanced Energy Materials Chemistry, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, Tianjin 300071, China
| | - Wei Zhang
- Key Laboratory of Advanced Energy Materials Chemistry, Renewable Energy Conversion and Storage Center (RECAST), College of Chemistry, Nankai University, Tianjin 300071, China
| | - Huanyu Xie
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Shuhong Jiao
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Yue Lin
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - De-Shan Bin
- College of Chemistry and Materials Science, Jinan University, Guangzhou 510632, China
| | - Rong Huang
- Vacuum Interconnected Nanotech Workstation (NANO-X), Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Suzhou 215123, China
| | - Xiaojun Wu
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Hengxing Ji
- Hefei National Research Center for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China
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Gao N, Li F, Wang Z, Kong X, Wang L, Gu Y, Bai M. Spent shell as a calcium source for constructing calcium vanadate for high-performance Zn-ion batteries. Chem Commun (Camb) 2023; 60:98-101. [PMID: 38031459 DOI: 10.1039/d3cc04440h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
In this article, waste shell is directly used as a raw material to synthesize CaV3O7 as a cathode for aqueous zinc ion batteries. The obtained cathode material exhibits better performance than that of CaV3O7 prepared from pure calcium carbonate as a raw material. At 0.1 A g-1, the CaV3O7 prepared by spent shell as a calcium source displays a highly reversible discharge capacity of 373 mA h g-1. A high initial discharge capacity of 177.7 mA h g-1 can be gained at 5.0 A g-1, and the specific capacity remains at 133.3 mA h g-1 with a capacity retention of 75% after 3000 cycles. This work may spark inspiration for energy storage and generate more effective routes for recycling solid waste.
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Affiliation(s)
- Ningze Gao
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Feng Li
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Zhiyuan Wang
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Xianghua Kong
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Lei Wang
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Yuanxiang Gu
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
| | - Maojuan Bai
- College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China.
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Huang Y, Wang C, Lv H, Xie Y, Zhou S, Ye Y, Zhou E, Zhu T, Xie H, Jiang W, Wu X, Kong X, Jin H, Ji H. Bifunctional Interphase Promotes Li + De-Solvation and Transportation Enabling Fast-Charging Graphite Anode at Low Temperature. Adv Mater 2023:e2308675. [PMID: 38100819 DOI: 10.1002/adma.202308675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 11/11/2023] [Indexed: 12/17/2023]
Abstract
The most successful lithium-ion batteries (LIBs) based on ethylene carbonate electrolytes and graphite anodes still suffer from severe energy and power loss at temperatures below -20 °C, which is because of high viscosity or even solidification of electrolytes, sluggish de-solvation of Li+ at the electrode surface, and slow Li+ transportation in solid electrolyte interphase (SEI). Here, a coherent lithium phosphide (Li3 P) coating firmly bonding to the graphite surface to effectively address these challenges is engineered. The dense, continuous, and robust Li3 P interphase with high ionic conductivity enhances Li+ transportation across the SEI. Plus, it promotes Li+ de-solvation through an electron transfer mechanism, which simultaneously accelerates the charge transport kinetics and stands against the co-intercalation of low-melting-point solvent molecules, such as propylene carbonate (PC), 1,3-dioxolane, and 1,2-dimethoxyethane. Consequently, an unprecedented combination of high-capacity retention and fast-charging ability for LIBs at low temperatures is achieved. In full-cells encompassing the Li3 P-coated graphite anode and PC electrolytes, an impressive 70% of their room-temperature capacity is attained at -20 °C with a 4 C charging rate and a 65% capacity retention is achieved at -40 °C with a 0.05 C charging rate. This research pioneers a transformative trajectory in fortifying LIB performance in cryogenic environments.
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Affiliation(s)
- Yingshan Huang
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Chaonan Wang
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Haifeng Lv
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Yuansen Xie
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
- Ningde Amperex Technology Limited (ATL), Ningde, 352100, China
| | - Shaoyun Zhou
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
- Ningde Amperex Technology Limited (ATL), Ningde, 352100, China
| | - Yadong Ye
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - En Zhou
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Tianyuan Zhu
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Huanyu Xie
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Wei Jiang
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience, University of Science and Technology of China, Hefei, 230026, China
| | - Xiaojun Wu
- Key Laboratory of Precision and Intelligent Chemistry, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Hongchang Jin
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Hengxing Ji
- Hefei National Research Center for Physical Sciences at the Microscale, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
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Yu R, Kong X, Li Y. Optimizing the Diagnostic Algorithm for Pulmonary Embolism in Acute COPD Exacerbation Using Fuzzy Rough Sets and Support Vector Machine. COPD 2023; 20:1-8. [PMID: 36594682 DOI: 10.1080/15412555.2022.2139671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Aiming to optimize the diagnosis of pulmonary embolism (PE) in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD), we conducted a retrospective study enrolling 185 AECOPD patients, of whom 90 were diagnosed with PE based on computed tomography pulmonary angiography (CTPA). Ten characteristic indicators and 27 blood indicators were extracted for each patient. First, we quantified the importance of each indicator for diagnosing PE in AECOPD using fuzzy rough sets (FRS) and selected the more important indicators to construct a support vector machine (SVM) diagnosis model called FRS-SVM. The performance of the proposed diagnosis model on the test sets was compared to that of the logistic regression model. The average accuracy and area under the curve (AUC) of the proposed model for the test sets in 10 independent trials were 94.67% and 0.944, respectively, compared to 80.41% and 0.809 for the logistic regression model. Thus, we validated the higher accuracy and stability of the FRS-SVM for PE diagnosis in patients with AECOPD. This model improved the prediction probability before CTPA and can be used in clinical practice to help doctors make decisions.
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Affiliation(s)
- Rui Yu
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Center, Chongqing, China
| | - Xianghua Kong
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Center, Chongqing, China
| | - Youlun Li
- Department of Pulmonary and Critical care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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5
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Zhang J, Song BQ, Kong X, Liu Y, Yang HL, Zong LH, Kong JY, Xu Y, Qiu HY, Wu DP. [Efficacy analysis of selinexor combined with hypomethylating agent in the treatment of refractory/relapsed acute myeloid leukemia exposed to venetoclax]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:936-939. [PMID: 38185524 PMCID: PMC10753257 DOI: 10.3760/cma.j.issn.0253-2727.2023.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Indexed: 01/09/2024]
Affiliation(s)
- J Zhang
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - B Q Song
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - X Kong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - Y Liu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - H L Yang
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - L H Zong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - J Y Kong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - Y Xu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - H Y Qiu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - D P Wu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
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Tan L, Kong X, Liu M, Su H, Guo H, Li CJ. Palladium nanoparticles on gallium nitride as a Mott-Schottky catalyst for efficient and durable photoactivation of unactivated alkanes. Chem Sci 2023; 14:11761-11767. [PMID: 37920336 PMCID: PMC10619641 DOI: 10.1039/d3sc00688c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 09/14/2023] [Indexed: 11/04/2023] Open
Abstract
The direct functionalization of inert C-H bonds has long been a "holy grail" for the chemistry world. In this report, the direct C(sp3)-N bond formation of unactivated alkanes is reported with a GaN based Mott-Schottky catalyst under photocatalytic reaction conditions. Long term stability and reaction efficiency (up to 92%) were achieved with this photocatalyst. The deposition of a Pd co-catalyst on the surface of GaN significantly enhanced the reaction efficiency. Microscopic investigation suggested a remarkable interaction in the Pd/GaN Schottky junction, giving a significant Pd/GaN depletion layer. In addition, density functional theory (DFT) calculations were performed to show the distinct performance of Pd nanoparticles at the atomic level.
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Affiliation(s)
- Lida Tan
- Department of Chemistry, FQRNT Centre for Green Chemistry and Catalysis, McGill University 801 Sherbrooke Street West Montreal QC H3A 0B8 Canada
| | - Xianghua Kong
- College of Physics and Optoelectronic Engineering, Shenzhen University 3688 Nanhai Avenue Nanshan District Shenzhen 518061 Guangdong China
- Department of Physics, McGill University Rutherford Building 3600 University Montreal QC H3A 2T8 Canada
| | - Mingxin Liu
- Department of Chemistry, FQRNT Centre for Green Chemistry and Catalysis, McGill University 801 Sherbrooke Street West Montreal QC H3A 0B8 Canada
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University 222 Tianshui South Road Chengguan District Lanzhou 730000 Gansu China
| | - Hui Su
- Department of Chemistry, FQRNT Centre for Green Chemistry and Catalysis, McGill University 801 Sherbrooke Street West Montreal QC H3A 0B8 Canada
| | - Hong Guo
- Department of Physics, McGill University Rutherford Building 3600 University Montreal QC H3A 2T8 Canada
| | - Chao-Jun Li
- Department of Chemistry, FQRNT Centre for Green Chemistry and Catalysis, McGill University 801 Sherbrooke Street West Montreal QC H3A 0B8 Canada
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Li D, Wu Z, Li Y, Fan X, Hasan SMN, Arafin S, Rahman MA, Li J, Wang Z, Yu T, Kong X, Zhu L, Sadaf SM, Zhou B. A semiconducting hybrid of RhO x/GaN@InGaN for simultaneous activation of methane and water toward syngas by photocatalysis. PNAS Nexus 2023; 2:pgad347. [PMID: 38024421 PMCID: PMC10662453 DOI: 10.1093/pnasnexus/pgad347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 10/17/2023] [Indexed: 12/01/2023]
Abstract
Prior to the eventual arrival of carbon neutrality, solar-driven syngas production from methane steam reforming presents a promising approach to produce transportation fuels and chemicals. Simultaneous activation of the two reactants, i.e. methane and water, with notable geometric and polar discrepancy is at the crux of this important subject yet greatly challenging. This work explores an exceptional semiconducting hybrid of RhOx/GaN@InGaN nanowires for overcoming this critical challenge to achieve efficient syngas generation from methane steam reforming by photocatalysis. By coordinating density functional theoretical calculations and microscopic characterizations, with in situ spectroscopic measurements, it is found that the multifunctional RhOx/GaN interface is effective for simultaneously activating both CH4 and H2O by stretching the C-H and O-H bonds because of its unique Lewis acid/base attribute. With the aid of energetic charge carriers, the stretched C-H and O-H bonds of reactants are favorably cleaved, resulting in the key intermediates, i.e. *CH3, *OH, and *H, to sit on Rh sites, Rh sites, and N sites, respectively. Syngas is subsequently produced via energetically favored pathway without additional energy inputs except for light. As a result, a benchmarking syngas formation rate of 8.1 mol·gcat-1·h-1 is achieved with varied H2/CO ratios from 2.4 to 0.8 under concentrated light illumination of 6.3 W·cm-2, enabling the achievement of a superior turnover number of 10,493 mol syngas per mol Rh species over 300 min of long-term operation. This work presents a promising strategy for green syngas production from methane steam reforming by utilizing unlimited solar energy.
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Affiliation(s)
- Dongke Li
- Key Laboratory for Power Machinery and Engineering of Ministry of Education, Research Center for Renewable Synthetic Fuel, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
- School of Physics, Liaoning University, No. 66 Chongshan Middle Road, Huanggu District, Shenyang City 110036, Liaoning Province, China
| | - Zewen Wu
- College of Physics and Optoelectronic Engineering, Shenzhen University, 3688 Nanhai Avenue, Nanshan District, Shenzhen 518061, China
| | - Yixin Li
- Key Laboratory for Power Machinery and Engineering of Ministry of Education, Research Center for Renewable Synthetic Fuel, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Xiaoxing Fan
- School of Physics, Liaoning University, No. 66 Chongshan Middle Road, Huanggu District, Shenyang City 110036, Liaoning Province, China
| | - S M Najib Hasan
- Electrical and Computer Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Shamsul Arafin
- Electrical and Computer Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Md Afjalur Rahman
- Centre Energie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique (INRS)-Université du Québec, 1650 Boulevard Lionel-Boulet, Varennes, Quebec J3X1S2, Canada
| | - Jinglin Li
- Key Laboratory for Power Machinery and Engineering of Ministry of Education, Research Center for Renewable Synthetic Fuel, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Zhouzhou Wang
- Key Laboratory for Power Machinery and Engineering of Ministry of Education, Research Center for Renewable Synthetic Fuel, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Tianqi Yu
- Key Laboratory for Power Machinery and Engineering of Ministry of Education, Research Center for Renewable Synthetic Fuel, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Xianghua Kong
- College of Physics and Optoelectronic Engineering, Shenzhen University, 3688 Nanhai Avenue, Nanshan District, Shenzhen 518061, China
| | - Lei Zhu
- Key Laboratory for Power Machinery and Engineering of Ministry of Education, Research Center for Renewable Synthetic Fuel, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Sharif Md Sadaf
- Centre Energie, Matériaux et Télécommunications, Institut National de la Recherche Scientifique (INRS)-Université du Québec, 1650 Boulevard Lionel-Boulet, Varennes, Quebec J3X1S2, Canada
| | - Baowen Zhou
- Key Laboratory for Power Machinery and Engineering of Ministry of Education, Research Center for Renewable Synthetic Fuel, School of Mechanical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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Ye Y, Xie H, Yang Y, Xie Y, Lu Y, Wang J, Kong X, Jin S, Ji H. Solid-Solution or Intermetallic Compounds: Phase Dependence of the Li-Alloying Reactions for Li-Metal Batteries. J Am Chem Soc 2023. [PMID: 37909780 DOI: 10.1021/jacs.3c08711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Electrochemical Li-alloying reactions with Li-rich alloy phases render a much higher theoretical capacity that is critical for high-energy batteries, and the accompanying phase transition determines the alloying/dealloying reversibility and cycling stability. However, the influence of phase-transition characteristics upon the thermodynamic properties and diffusion kinetic mechanisms among the two categories of alloys, solid-solutions and intermetallic compounds, remains incomplete. Here we investigated three representative Li-alloys: Li-Ag alloy of extended solid-solution regions; Li-Zn alloy of an intermetallic compound with a solid-solution phase of a very narrow window in Li atom concentration; and Li-Al alloy of an intermetallic compound. Solid-solution phases undertake a much lower phase-transition energy barrier than the intermetallic compounds, leading to a considerably higher Li-alloying/dealloying reversibility and cycling stability, which is due to the subtle structural change and chemical potential gradient built up inside of the solid-solution phases. These two effects enable the Li atoms to enter the bulk of the Li-Ag alloy to form a homogeneous alloy phase. The pouch cell of the Li-rich Li20Ag alloy pairs with a LiNi0.8Co0.1Mn0.1O2 cathode under an areal capacity of 3.5 mAh cm-2 can retain 87% of its initial capacity after 250 cycles with an enhanced Coulombic efficiency of 99.8 ± 0.1%. While Li-alloying reactions and the alloy phase transitions have always been tightly linked in past studies, our findings provide important guidelines for the intelligent design of components for secondary metal batteries.
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Affiliation(s)
- Yadong Ye
- Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China
| | - HuanYu Xie
- Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China
| | - Yinghui Yang
- Ningde Amperex Technology Limited (ATL), Ningde 352100, China
- Fujian Provincial Key Laboratory of Consumer Lithium-ion Battery, Fuzhou 350003, China
| | - Yuansen Xie
- Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China
- Ningde Amperex Technology Limited (ATL), Ningde 352100, China
| | - Yuhao Lu
- Ningde Amperex Technology Limited (ATL), Ningde 352100, China
| | - Jinxi Wang
- Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Song Jin
- Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China
| | - Hengxing Ji
- Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei 230026, China
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Wu LB, Kong X. [Mature cystic teratoma of the ovary with squamous cell carcinoma mixed small cell neuroendocrine carcinoma: report of a case]. Zhonghua Bing Li Xue Za Zhi 2023; 52:1050-1052. [PMID: 37805402 DOI: 10.3760/cma.j.cn112151-20230112-00031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/09/2023]
Affiliation(s)
- L B Wu
- Department of Pathology, Lujiang People's Hospital, Hefei 231500, China
| | - X Kong
- Department of Pathology, the First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230031, China
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Huang L, Kong X, Zheng Q, Xing Y, Chen H, Li Y, Hu Z, Zhu S, Qiao J, Zhang YY, Cheng H, Cheng Z, Qiu X, Liu E, Lei H, Lin X, Wang Z, Yang H, Ji W, Gao HJ. Discovery and construction of surface kagome electronic states induced by p-d electronic hybridization in Co 3Sn 2S 2. Nat Commun 2023; 14:5230. [PMID: 37634043 PMCID: PMC10460379 DOI: 10.1038/s41467-023-40942-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 08/15/2023] [Indexed: 08/28/2023] Open
Abstract
Kagome-lattice materials possess attractive properties for quantum computing applications, but their synthesis remains challenging. Herein, based on the compelling identification of the two cleavable surfaces of Co3Sn2S2, we show surface kagome electronic states (SKESs) on a Sn-terminated triangular Co3Sn2S2 surface. Such SKESs are imprinted by vertical p-d electronic hybridization between the surface Sn (subsurface S) atoms and the buried Co kagome-lattice network in the Co3Sn layer under the surface. Owing to the subsequent lateral hybridization of the Sn and S atoms in a corner-sharing manner, the kagome symmetry and topological electronic properties of the Co3Sn layer is proximate to the Sn surface. The SKESs and both hybridizations were verified via qPlus non-contact atomic force microscopy (nc-AFM) and density functional theory calculations. The construction of SKESs with tunable properties can be achieved by the atomic substitution of surface Sn (subsurface S) with other group III-V elements (Se or Te), which was demonstrated theoretically. This work exhibits the powerful capacity of nc-AFM in characterizing localized topological states and reveals the strategy for synthesis of large-area transition-metal-based kagome-lattice materials using conventional surface deposition techniques.
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Affiliation(s)
- Li Huang
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Xianghua Kong
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
- Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Department of Physics, Renmin University of China, 100872, Beijing, China
- Centre for the Physics of Materials and Department of Physics, McGill University, Montreal, QC, H3A 2T8, Canada
| | - Qi Zheng
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Yuqing Xing
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Hui Chen
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Yan Li
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Zhixin Hu
- Center for Joint Quantum Studies and Department of Physics, Institute of Science, Tianjin University, 300350, Tianjin, China
| | - Shiyu Zhu
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Jingsi Qiao
- Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Department of Physics, Renmin University of China, 100872, Beijing, China
- MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices, School of Integrated Circuits and Electronics, Beijing Institute of Technology, 100081, Beijing, China
| | - Yu-Yang Zhang
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Haixia Cheng
- Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Department of Physics, Renmin University of China, 100872, Beijing, China
| | - Zhihai Cheng
- Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Department of Physics, Renmin University of China, 100872, Beijing, China
| | - Xianggang Qiu
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Enke Liu
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Hechang Lei
- Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Department of Physics, Renmin University of China, 100872, Beijing, China
| | - Xiao Lin
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China
| | - Ziqiang Wang
- Department of Physics, Boston College, Chestnut Hill, MA, USA
| | - Haitao Yang
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China.
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China.
| | - Wei Ji
- Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Department of Physics, Renmin University of China, 100872, Beijing, China.
- Key Laboratory of Quantum State Construction and Manipulation (Ministry of Education), Renmin University of China, 100872, Beijing, China.
| | - Hong-Jun Gao
- Beijing National Center for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, 100190, Beijing, China.
- School of Physical Sciences, University of Chinese Academy of Sciences, 100190, Beijing, China.
- Hefei National Laboratory, 230088, Hefei, Anhui, China.
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11
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Kong JY, Zong LH, Pu Y, Liu Y, Kong X, Li MY, Zhang J, Song BQ, Xue SL, Tang XW, Qiu HY, Wu DP. [Clinical efficacy and safety of venetoclax combined with multidrug chemotherapy in the treatment of 15 patients with relapsed or refractory early T-cell precursor acute lymphoblastic leukemia]. Zhonghua Xue Ye Xue Za Zhi 2023; 44:649-653. [PMID: 37803838 PMCID: PMC10520236 DOI: 10.3760/cma.j.issn.0253-2727.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Indexed: 10/08/2023]
Abstract
Objective: To explore the efficacy and safety of Venetoclax combined with multidrug chemotherapy in patients with relapsed or refractory early T-cell precursor acute lymphoblastic leukemia (R/R ETP-ALL) . Methods: This study retrospectively analyzed 15 patients with R/R ETP-ALL who received Venetoclax combined with multidrug chemotherapy from December 2018 to February 2022. Among them, eight cases were combined with demethylated drugs, four cases were combined with demethylated drugs and HAAG chemotherapy regimen, two cases were combined with demethylated drugs and CAG regimen, and one case was combined with Cladribine. Specific usage and dosage of Venetoclax: 100 mg on day 1, 200 mg on day 2, 400 mg on day 3-28, orally; when combined with azole antifungal drugs, dosage was reduced to 100 mg/d. Results: Fifteen patients (10 males and 5 females) with R/R ETP-ALL were treated with Venetoclax and multidrug chemotherapy with a median age of 35 (12-42) years old. Of 4 refractory and 11 relapsed patients, the efficacy was evaluated on the 21th day following combined chemotherapy: the overall response rate, the complete response (CR) rate, and the CR with incomplete hematological recovery (CRi) rate were 67.7% (10/15), 60.0% (9/15), and 6.7% (1/15), respectively. For the overall study population, the 12-month overall survival (OS) rate was 60.0%, and the median OS was 17.7 months. The disease-free survival (DFS) rate of all CR patients at 12 months was 60.0%, and the median DFS did not reach. About 14 patients had Ⅲ-Ⅳ hematological toxicity, but these adverse reactions were all controllable. No adverse reaction in the nervous system and tumor lysis syndrome occurred in this study, and no adverse reaction of organs above grade Ⅲ occurred. Conclusion: Venetoclax combined with multidrug chemotherapy may be a safe and promising treatment option for patients with R/R ETP-ALL.
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Affiliation(s)
- J Y Kong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - L H Zong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - Y Pu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - Y Liu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - X Kong
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - M Y Li
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - J Zhang
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - B Q Song
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - S L Xue
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - X W Tang
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - H Y Qiu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
| | - D P Wu
- The First Affiliated Hospital of Soochow University, Jiangsu Institute of Hematology, National Clinical Research Center for Hematologic Diseases, Suzhou 215006, China
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12
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Zhang M, Wu Z, Jia H, Li P, Yang L, Hao J, Wang J, Zhang E, Meng L, Yan Z, Liu Y, Du P, Kong X, Xiao S, Jia C, Guo X. Distinct armchair and zigzag charge transport through single polycyclic aromatics. Sci Adv 2023; 9:eadg4346. [PMID: 37256956 PMCID: PMC10413665 DOI: 10.1126/sciadv.adg4346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 04/27/2023] [Indexed: 06/02/2023]
Abstract
In aromatic systems with large π-conjugated structures, armchair and zigzag configurations can affect each material's electronic properties, determining their performance and generating certain quantum effects. Here, we explore the intrinsic effect of armchair and zigzag pathways on charge transport through single hexabenzocoronene molecules. Theoretical calculations and systematic experimental results from static carbon-based single-molecule junctions and dynamic scanning tunneling microscope break junctions show that charge carriers are preferentially transported along the hexabenzocoronene armchair pathway, and thus, the corresponding current through this pathway is approximately one order of magnitude higher than that through the zigzag pathway. In addition, the molecule with the zigzag pathway has a smaller energy gap. In combination with its lower off-state conductance, it shows a better field-effect performance because of its higher on-off ratio in electrical measurements. This study on charge transport pathways offers a useful perspective for understanding the electronic properties of π-conjugated systems and realizing high-performance molecular nanocircuits toward practical applications.
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Affiliation(s)
- Miao Zhang
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing 100871, China
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Zewen Wu
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Hongxing Jia
- Hefei National Research Center for Physical Sciences at the Microscale, Anhui Laboratory of Advanced Photon Science and Technology, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, iChEM, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui Province 230026, China
| | - Peihui Li
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China
| | - Lei Yang
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Jie Hao
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China
| | - Jinying Wang
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China
- Network for Computational Nanotechnology, College of Engineering, Purdue University, 298 Nimitz Dr., West Lafayette, IN 47906, USA
| | - Enyu Zhang
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China
| | - Linan Meng
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing 100871, China
| | - Zhuang Yan
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing 100871, China
| | - Yi Liu
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Pingwu Du
- Hefei National Research Center for Physical Sciences at the Microscale, Anhui Laboratory of Advanced Photon Science and Technology, CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, iChEM, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui Province 230026, China
| | - Xianghua Kong
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China
| | - Shengxiong Xiao
- The Education Ministry Key Lab of Resource Chemistry, Joint International Research Laboratory of Resource Chemistry, Ministry of Education, Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Frontiers Science Center of Biomimetic Catalysis, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, China
| | - Chuancheng Jia
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing 100871, China
| | - Xuefeng Guo
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin 300350, China
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center, College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing 100871, China
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13
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Liu M, Zhou E, Wang C, Ye Y, Tong X, Xie Y, Zhou S, Huang R, Kong X, Jin H, Ji H. The Vital Role of Electrolyte Reduction Potential in Forming a Stable SEI in Phosphorus-Based Anodes. Small 2023; 19:e2208282. [PMID: 36919577 DOI: 10.1002/smll.202208282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 02/06/2023] [Indexed: 06/15/2023]
Abstract
In view of their high lithium storage capability, phosphorus-based anodes are promising for lithium-ion batteries. However, the low reduction potential (0.74 V versus Li+ /Li) of the commonly used ethylene carbonate-based electrolyte does not allow the early formation of a solid electrolyte interphase (SEI) prior to the initial phosphorus alloying reaction (1.5 V versus Li+ /Li). In the absence of a protective SEI, the phosphorus anode develops cracks, creating additional P/electrolyte interfaces. This results in the loss of P and the formation of a discontinuous SEI, all of which greatly reduce the electrochemical performance of the anode. Here, the effect of solvent reduction potential on the structure of the SEI is investigated. It is found that solvents with a high reduction potential, such as fluoroethylene carbonate, decompose to form an SEI concomitantly with the P alloying reaction. This results in a continuous, mechanically robust, and Li3 PO4 -rich SEI with improved Li-ion conductivity. These attributes significantly improve the cyclic stability and rate performance of the phosphorus-based anode.
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Affiliation(s)
- Minghui Liu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - En Zhou
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Chaonan Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Yadong Ye
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Xinyang Tong
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Yuansen Xie
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
- Ningde Amperex Technology Limited (ATL), Ningde, Fujian Province, 352100, China
| | - Shaoyun Zhou
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
- Ningde Amperex Technology Limited (ATL), Ningde, Fujian Province, 352100, China
| | - Rong Huang
- Vacuum Interconnected Nanotech Workstation (NANO-X), Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Suzhou, 215123, China
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Hongchang Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
| | - Hengxing Ji
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, School of Chemistry and Materials Science, University of Science and Technology of China, Hefei, 230026, China
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14
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Xiao Y, Kong X, Vanka S, Dong WJ, Zeng G, Ye Z, Sun K, Navid IA, Zhou B, Toma FM, Guo H, Mi Z. Oxynitrides enabled photoelectrochemical water splitting with over 3,000 hrs stable operation in practical two-electrode configuration. Nat Commun 2023; 14:2047. [PMID: 37041153 PMCID: PMC10090041 DOI: 10.1038/s41467-023-37754-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 03/28/2023] [Indexed: 04/13/2023] Open
Abstract
Solar photoelectrochemical reactions have been considered one of the most promising paths for sustainable energy production. To date, however, there has been no demonstration of semiconductor photoelectrodes with long-term stable operation in a two-electrode configuration, which is required for any practical application. Herein, we demonstrate the stable operation of a photocathode comprising Si and GaN, the two most produced semiconductors in the world, for 3,000 hrs without any performance degradation in two-electrode configurations. Measurements in both three- and two-electrode configurations suggest that surfaces of the GaN nanowires on Si photocathode transform in situ into Ga-O-N that drastically enhances hydrogen evolution and remains stable for 3,000 hrs. First principles calculations further revealed that the in-situ Ga-O-N species exhibit atomic-scale surface metallization. This study overcomes the conventional dilemma between efficiency and stability imposed by extrinsic cocatalysts, offering a path for practical application of photoelectrochemical devices and systems for clean energy.
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Affiliation(s)
- Yixin Xiao
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, 1301 Beal Avenue, Ann Arbor, MI, 48109, USA
| | - Xianghua Kong
- Department of Physics, McGill University, 3600 University Street, Montreal, Quebec, H3A 2T8, Canada
| | - Srinivas Vanka
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, 1301 Beal Avenue, Ann Arbor, MI, 48109, USA
| | - Wan Jae Dong
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, 1301 Beal Avenue, Ann Arbor, MI, 48109, USA
| | - Guosong Zeng
- Lawrence Berkeley National Laboratory, Chemical Sciences Division, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Zhengwei Ye
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, 1301 Beal Avenue, Ann Arbor, MI, 48109, USA
| | - Kai Sun
- Department of Materials Science and Engineering, University of Michigan, 2300 Hayward Street, Ann Arbor, MI, 48109, USA
| | - Ishtiaque Ahmed Navid
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, 1301 Beal Avenue, Ann Arbor, MI, 48109, USA
| | - Baowen Zhou
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, 1301 Beal Avenue, Ann Arbor, MI, 48109, USA
| | - Francesca M Toma
- Lawrence Berkeley National Laboratory, Chemical Sciences Division, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Hong Guo
- Department of Physics, McGill University, 3600 University Street, Montreal, Quebec, H3A 2T8, Canada.
| | - Zetian Mi
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, 1301 Beal Avenue, Ann Arbor, MI, 48109, USA.
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15
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Xie H, Li P, Xie S, Jin H, Jin S, Kong X, Li Z, Ji H. Adsorption-Assisted Redox Center in Porous Organic Frameworks for Boosting Lithium Storage. ChemSusChem 2023:e202300312. [PMID: 36942356 DOI: 10.1002/cssc.202300312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 05/11/2023]
Abstract
Due to the designable structure and capacity, organic materials are promising candidates for lithium-ion batteries. Herein, we report a novel type of porous organic frameworks (POFs) based on the coupling reaction of diazonium salt as the anodes for lithium ion storage. The active center containing an azo group and the adjacent lithium-philic adsorption site is constructed to investigate the electrochemical behaviors and reaction mechanism. As synthesized POF material (named as POF-AN) exhibits high reversible lithium storage capacities of 523 mAh g-1 at 0.5 A g-1 and 445 mAh g-1 at 2.0 A g-1 after 1500 cycles, showing excellent cycle stability and rate performance. The detailed characterizations reveal that the azo group can act as an electrochemical active site that reversibly bonds with Li-ions, and the adjacent oxygen atoms can electrostatically adsorb with Li-ions to promote the lithium storage reaction. This adsorption-assisted three-atom redox center is beneficial to synergistically enhance the adsorption and intercalation of lithium ions, which can further improve the capacity and cycle stability. By replacing the precursor, it is also facile to synthesize more similar structure types. The reversible redox chemistry of the adsorption-assisted three-atom active center provides new opportunities for the development of long lifespan and high-rate organic anodes.
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Affiliation(s)
- Huanyu Xie
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China (P. R. China)
| | - Pai Li
- Center for Multidimensional Carbon Materials, Institute for Basic Science (IBS), Ulsan, 44919 (Republic of, Korea
| | - Shuai Xie
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China (P. R. China)
| | - Hongchang Jin
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China (P. R. China)
| | - Song Jin
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China (P. R. China)
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, P. R. China
| | - Zhenyu Li
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China (P. R. China)
| | - Hengxing Ji
- Hefei National Research Center for Physical Sciences at the Microscale, Department of Chemistry, University of Science and Technology of China (P. R. China)
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16
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Liu JY, Shao JY, Liu Y, Li H, Kong X, Zhao Y, Fan YM, Wu B, Zhao M. [Hepatitis B virus down-regulates the expression of inhibin and promotes the proliferation and survival of hepatocellular carcinoma cells]. Zhonghua Gan Zang Bing Za Zhi 2023; 31:288-292. [PMID: 37137855 DOI: 10.3760/cma.j.cn501113-20230310-00102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Objective: To investigate the effect and role of the hepatitis B virus (HBV) on the expression of inhibin (PHB) in the proliferation and survival of hepatocellular carcinoma (HCC) cells. Methods: The expression of PHB in 13 pairs of HBV-infected livers, normal livers and HepG2.2.15 and HepG2 cells was detected by real-time fluorescent quantitative PCR and Western blot. Liver tissues were collected from seven patients with chronic hepatitis B before and after antiviral (tenofovir) treatment, and the expression of PHB was detected by RT-PCR and Western blot. HepG2.2.15 cells were transfected with Pcmv6-AC-GFP-PHB, and control vectors were collected. DNA content was analyzed by flow cytometry. The proliferation level of each cell group was detected using the EdU cell proliferation assay. HepG2.2.15 cells transfected with Pcmv6-AC-GFP-PHB and the control vector were cultured in serum-free medium for 6 days. Apoptosis was measured at the indicated time points using fluorescence-activated cell sorting (FACS)-based Annexin-V/PI double staining. Results: Compared with normal liver tissue, the expression of PHB in HBV-infected liver tissue was down-regulated (P < 0.01). Compared with HepG2 cells, the expression of PHB in HepG2.2.15 cells was significantly decreased (P < 0.01). The expression level of PHB in liver tissue after antiviral treatment (tenofovir) was significantly higher than that before treatment (P < 0.01). Compared with the control vector, the proliferation rate of HepG2.2.15 cells transfected with Pcmv6-AC-GFP-PHB was significantly lower than that of the control vector, and the apoptosis rate of HepG2.2.15 cells transfected with the Pcmv6-AC-GFP-PHB vector was significantly higher than the control vector (P < 0.01). Conclusion: HBV down-regulates the expression of inhibin to promote the proliferation and survival of hepatocellular carcinoma cells.
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Affiliation(s)
- J Y Liu
- Zhoukou Central Hospital, Zhoukou 466000, China
| | - J Y Shao
- Zhoukou Central Hospital, Zhoukou 466000, China
| | - Y Liu
- Zhoukou Central Hospital, Zhoukou 466000, China
| | - H Li
- Zhoukou Central Hospital, Zhoukou 466000, China
| | - X Kong
- Zhoukou Central Hospital, Zhoukou 466000, China
| | - Y Zhao
- Zhoukou Central Hospital, Zhoukou 466000, China
| | - Y M Fan
- Zhoukou Central Hospital, Zhoukou 466000, China
| | - B Wu
- Zhoukou Central Hospital, Zhoukou 466000, China
| | - M Zhao
- Zhoukou Central Hospital, Zhoukou 466000, China
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Kong X, Luo Y, Li Y, Zhan D, Mao Y, Ma J. Preoperative prediction and histological stratification of intracranial solitary fibrous tumours by machine-learning models. Clin Radiol 2023; 78:e204-e213. [PMID: 36496260 DOI: 10.1016/j.crad.2022.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 09/23/2022] [Accepted: 10/22/2022] [Indexed: 12/12/2022]
Abstract
AIM To explore the effectiveness and feasibility of machine-learning models based on magnetic resonance imaging (MRI) radiomics features in differentiating intracranial solitary fibrous tumour (ISFT) from angiomatous meningioma (AM) and stratifying ISFT histologically. MATERIALS AND METHODS This study retrospectively recruited 268 patients with a histological diagnosis of ISFT (n=120) or AM (n=148), and 116 of the ISFT patients were used for stratified analysis of histological grade. The radiomics features were extracted from axial T1-weighted imaging (WI), T2WI and contrast-enhanced T1WI sequences. All patients were assigned randomly to the training group and test group in a ratio of 7:3. The models were optimised by 10-fold cross-validation in the training group, and the independent test group was used for further testing of the models. The performances of machine-learning models based on radiomics, clinical, and fusion features in predicting and stratifying ISFT were evaluated. RESULTS ISFT and AM differed significantly in terms of age, tumour shape, enhancement pattern, and margin. There was no significant difference in the clinical characteristics between World Health Organization (WHO) grade II and WHO grade III ISFT. When used to differentiate ISFT from AM, the area under the curve (AUC) values of the machine-learning models based on radiomics, clinical, and fusion features in the test group were 0.917, 0.923 and 0.950, respectively. When used for histological stratification of ISFT, the model based on the radiomics signature achieved an AUC value of 0.786 in the test group. CONCLUSIONS Machine-learning models can contribute in the prediction and histological stratification of ISFT non-invasively, which can help clinical differential diagnosis and treatment decisions.
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Affiliation(s)
- X Kong
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100071, China
| | - Y Luo
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100071, China
| | - Y Li
- Department of Radiology, Beijing Fengtai Hospital, Beijing 100071, China
| | - D Zhan
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100071, China
| | - Y Mao
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100071, China
| | - J Ma
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing 100071, China.
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18
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Zhuang R, Yang M, Xu L, Li Y, Li Y, Hu T, Chen Y, Nie X, Yan X, Kong X, Yang S, Guo S. Characteristics analysis of 157 cases of central airway stenosis due to tracheobronchial tuberculosis: A descriptive study. Front Public Health 2023; 11:1115177. [PMID: 36817912 PMCID: PMC9932966 DOI: 10.3389/fpubh.2023.1115177] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
Background Tracheobronchial stenosis, particularly central airway stenosis, which frequently results in severe complications such as lung damage, occurs in patients with tracheobronchial tuberculosis (TBTB). Objectives To analyze the clinical characteristics of patients with central airway stenosis due to tuberculosis (CASTB). Methods Retrospective analysis was performed on the clinical features, radiological features, bronchoscopic features and treatment of 157 patients who were diagnosed with CASTB in two tertiary hospitals in Chongqing, China, from May 2020 to May 2022. Results CASTB mostly occurs in young patients and females. Patients with CASTB exhibited different symptoms repeatedly during the disease, especially varying degrees of dyspnea, prompting many patients to undergo bronchoscopic intervention and even surgery. Patients with cicatricial strictures constituted the highest proportion of the TBTB subtype with CASTB and 35.7% of the patients with CASTB were found to have tracheobronchomalacia (TBM) under bronchoscopy. CASTB and TBM mainly involved the left main bronchus. Patients with lower levels of education had higher rates of TBM. Patients with TBM manifested shortness of breath more frequently than patients without TBM. Patients with TBTB who had undergone bronchoscopic interventions have a higher rate of TBM. Conclusions Despite mostly adequate anti-tuberculosis chemotherapy, patients with TBTB can present with CASTB involving severe scarring stenosis, bronchial occlusion, tracheobronchomalacia and even destroyed lung.
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Affiliation(s)
- Rongjuan Zhuang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Mingjin Yang
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Li Xu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yishi Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ying Li
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Tingting Hu
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical and Pharmaceutical College, Chongqing, China
| | - Yan Chen
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical and Pharmaceutical College, Chongqing, China
| | - Xiao Nie
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
| | - Xiaofeng Yan
- Department of Tuberculosis, Chong Qing Public Health Medical Center, Chongqing, China
| | - Xianghua Kong
- Department of Tuberculosis, Chong Qing Public Health Medical Center, Chongqing, China
| | - Song Yang
- Department of Comprehensive Internal Medicine, Chong Qing Public Health Medical Center, Chongqing, China
| | - Shuliang Guo
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China,*Correspondence: Shuliang Guo ✉
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Zhang L, Zhao C, Kong X, Yu S, Zhang D, Liu W. Construction of Co-NC@Mo2C hetero-interfaces for improving the performance of Li-O2 batteries. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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Zhu J, Cao J, Cai G, Zhang J, Zhang W, Xie S, Wang J, Jin H, Xu J, Kong X, Jin S, Li Z, Ji H. Non-trivial Contribution of Carbon Hybridization in Carbon-based Substrates to Electrocatalytic Activities in Li-S Batteries. Angew Chem Int Ed Engl 2023; 62:e202214351. [PMID: 36416106 DOI: 10.1002/anie.202214351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 11/24/2022]
Abstract
Appling an electrochemical catalyst is an efficient strategy for inhibiting the shuttle effect and enhancing the S utilization of Li-S batteries. Carbon-based materials are the most common conductive agents and catalyst supports used in Li-S batteries, but the correlation between the diversity of hybridizations and sulfur reduction reaction (SRR) catalytic activity remains unclear. Here, by establishing two forms of carbon models, i.e., graphitic carbon (GC) and amorphous carbon (AC), we observe that the nitrogen atom doped in the GC possesses a higher local charge density and a lower Gibbs free energy towards the formation of polysulfides than in the AC. And the GC-based electrode consistently inherits considerably enhanced SRR kinetics and superior cycling stability and rate capability in Li-S batteries. Therefore, the function of carbon in Li-S batteries is not only limited as conductive support but also plays an unignorable contribution to the electrocatalytic activities of SRR.
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Affiliation(s)
- Jiawen Zhu
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Jiaqi Cao
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Guolei Cai
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Jing Zhang
- Beijing Synchrotron Radiation Laboratory, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Shuai Xie
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Jinxi Wang
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Hongchang Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Junjie Xu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Song Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Zhenyu Li
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
| | - Hengxing Ji
- Hefei National Laboratory for Physical Sciences at the Microscale, CAS Key Laboratory of Materials for Energy Conversion, Department of Applied Chemistry, Department of Chemical Physics, University of Science and Technology of China, Hefei, 230026, China
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Zhao Y, Tang W, Liu W, Kong X, Zhang D, Luo H, Teng K, Liu R. Interfacial Engineering of Co 3 O 4 /Fe 2 O 3 Nano-Heterostructure Toward Superior Li-O 2 Batteries. Small 2023; 19:e2205532. [PMID: 36399646 DOI: 10.1002/smll.202205532] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/26/2022] [Indexed: 06/16/2023]
Abstract
A major issue with Li-O2 batteries is their slow oxygen reduction and evolution kinetics, necessitating catalysts with high catalytic activity to improve reaction kinetics and cycle stability. Herein, a nano-heterostructured catalyst composed of Co3 O4 and Fe2 O3 (Co3 O4 /Fe2 O3 ) with a porous rod morphology is achieved through an interfacial engineering strategy by constructing Fe2 O3 on the Co3 O4 surface, which can function as a high-performance cathode in order to efficiently encourage the oxygen reduction and evolution while also reduce the battery polarization during charging and discharging. The density functional theory (DFT) calculations show the differences in charge density at the interface of nano-heterostructures, demonstrating the occurrence of an electron transfer process in the interface region of Co3 O4 and Fe2 O3 , implying a strong electronic coupling transfer, and in turn changing the electronic structure of the Co3 O4 . This significantly reduces the adsorption energy of LiO2 intermediates, thereby effectively lowering the overpotential. The resultant Li-O2 battery has larger discharge specific capacity, lower overpotential for the efficient oxygen evolution/reduction, as well as good cycling stability of 280 cycles. This work demonstrates an effective method to fabricate the nano-heterostrucutred materials with enhanced catalytic efficiency for advanced energy applications.
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Affiliation(s)
- Yajun Zhao
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Wenhao Tang
- School of Chemical & Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, P. R. China
| | - Wenhong Liu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Dawei Zhang
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
| | - Hao Luo
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, China
- Intelligent Manufacturing Institute of Hefei University of Technology, Hefei, Anhui, 230051, China
| | - Kewei Teng
- School of Chemical & Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, P. R. China
| | - Ruiping Liu
- School of Chemical & Environmental Engineering, China University of Mining and Technology (Beijing), Beijing, 100083, P. R. China
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Huang Y, Kong X, Zhou L, Shen P, Su P, Su H. Values of optical coherence tomography angiography for diagnosing diabetic retinopathy and evaluating treatment outcomes. J Fr Ophtalmol 2023; 46:25-32. [PMID: 36470750 DOI: 10.1016/j.jfo.2022.05.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 04/25/2022] [Accepted: 05/12/2022] [Indexed: 12/04/2022]
Abstract
PURPOSE To compare the consistency between fundus fluorescein angiography (FFA) and optical coherence tomography angiography (OCTA) for the diagnosis of diabetic retinopathy (DR). MATERIALS AND METHODS Ninety-six diabetic patients (185 eyes) treated from January 2019 to December 2019 underwent OCTA and FFA. The image characteristics of fundus lesions were recorded. Sixty-nine patients (137 eyes) who were diagnosed with DR by both examinations and needed to receive panretinal photocoagulation (PRP) were selected. The retinal nerve fiber layer (RNFL) thickness, macular superficial vascular complex (SVC) and deep vascular complex (DVC) blood flow density, 300μm area surrounding foveal avascular zone (FAZ) (FD300) blood flow density and FAZ parameters were compared. RESULTS The Kappa coefficient of FFA and OCTA for diagnosing DR was 0.537 (P=0.000). FFA and OCTA had substantial consistency for detecting retinal microaneurysms and macular edema (Kappa coefficient=0.643/0.616, P=0.000), perfect consistency for detecting retinal neovascularization and retinal non-perfusion area (Kappa coefficient=0.809/0.832, P=0.000), and moderate consistency for detecting structural changes in the macular ring (Kappa coefficient=0.423, P=0.000). The RNFL thickness in the peripapillary and the superior temporal, temporal inferior, inferior nasal and superior nasal regions rose 1 week after PRP but declined 1 year after treatment (P<0.05). The macular SVC, DVC and FD300 blood flow density declined 1 week after PRP but rose 1 year after treatment (P<0.05). CONCLUSIONS OCTA shows consistency with FFA for diagnosing DR, which remedies the deficiency of FFA. The reduction in fundus lesions after PRP can be quantified by OCTA.
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Affiliation(s)
- Y Huang
- Ophthalmology Center, The Second People's Hospital of Foshan, 528000 Foshan, Guangdong Province, China
| | - X Kong
- Foshan Hospital Affiliated to Southern Medical University, 528000 Foshan, Guangdong Province, China
| | - L Zhou
- Ophthalmology Center, The Second People's Hospital of Foshan, 528000 Foshan, Guangdong Province, China
| | - P Shen
- Ophthalmology Center, The Second People's Hospital of Foshan, 528000 Foshan, Guangdong Province, China
| | - P Su
- Ophthalmology Center, The Second People's Hospital of Foshan, 528000 Foshan, Guangdong Province, China
| | - H Su
- Department of Ultrasonography, Nanhai Hospital, Guangdong Provincial People's Hospital, 528000 Foshan, Guangdong Province, China.
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Kong X, Zhang J, Li MY, Sun AN, Han Y, Tang XW, Qiu HY, Wu DP. [Treatment of infection by Ceftazidime Avibactam in hematopathy patients due to neutropenia]. Zhonghua Xue Ye Xue Za Zhi 2022; 43:1038-1042. [PMID: 36709111 PMCID: PMC9939339 DOI: 10.3760/cma.j.issn.0253-2727.2022.12.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Indexed: 01/30/2023]
Affiliation(s)
- X Kong
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - J Zhang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - M Y Li
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - A N Sun
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Y Han
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - X W Tang
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - H Y Qiu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - D P Wu
- National Clinical Research Center for Hematologic Diseases, Jiangsu Institute of Hematology, Department of Hematology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
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Zhu X, Gao Z, Wang Y, Huang W, Li Q, Jiao Z, Liu N, Kong X. Utility of trio-based prenatal exome sequencing incorporating splice-site and mitochondrial genome assessment in pregnancies with fetal ultrasound anomalies: prospective cohort study. Ultrasound Obstet Gynecol 2022; 60:780-792. [PMID: 35726512 DOI: 10.1002/uog.24974] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 05/30/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVE To evaluate the utility of trio-based prenatal exome sequencing (pES), incorporating splice-site and mitochondrial genome assessment, in the prenatal diagnosis of fetuses with ultrasound anomalies and normal copy-number variant sequencing (CNV-seq) results. METHODS This was a prospective study of 90 ongoing pregnancies with ultrasound anomalies that underwent trio-based pES after receiving normal CNV-seq results, from September 2020 to November 2021, in a single center in China. By using pES with a panel encompassing exome coding and splicing regions as well as mitochondrial genome for fetuses and parents, we identified the underlying genetic causes of fetal anomalies, incidental fetal findings and parental carrier status. Information on pregnancy outcome and the impact of pES findings on parental decision-making was collected. RESULTS Of the 90 pregnancies included, 28 (31.1%) received a diagnostic result that could explain the fetal ultrasound anomalies. The highest diagnostic yield was noted for brain abnormalities (3/6 (50.0%)), followed by hydrops (4/9 (44.4%)) and skeletal abnormalities (13/34 (38.2%)). Collectively, 34 variants of 20 genes were detected in the 28 diagnosed cases, with 55.9% (19/34) occurring de novo. Variants of uncertain significance (VUS) associated with fetal phenotypes were detected in six (6.7%) fetuses. Interestingly, fetal (n = 4) and parental (n = 3) incidental findings (IFs) were detected in seven (7.8%) cases. These included two fetuses carrying a de-novo likely pathogenic (LP) variant of the CIC and FBXO11 genes, respectively, associated with neurodevelopmental disorders, and one fetus with a LP variant in a mitochondrial gene. The remaining fetus presented with unilateral renal dysplasia and was incidentally found to carry a pathogenic PKD1 gene variant resulting in adult-onset polycystic kidney, which was later confirmed to be inherited from the mother. In addition, parental heterozygous variants associated with autosomal recessive diseases were detected in three families, including one with additional fetal diagnostic findings. Diagnostic results or fetal IFs contributed to parental decision-making about termination of the pregnancy in 26 families (26/72 (36.1%)), while negative pES results or identification of VUS encouraged 40 families (40/72 (55.6%)) to continue their pregnancy, which ended in a live birth in all cases. CONCLUSION Trio-based pES can provide additional genetic information for pregnancies with fetal ultrasound anomalies without a CNV-seq diagnosis. The incidental findings and parental carrier status reported by trio-based pES with splice-site and mitochondrial genome analysis extend its clinical application, but careful genetic counseling is warranted. © 2022 International Society of Ultrasound in Obstetrics and Gynecology.
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Affiliation(s)
- X Zhu
- Genetics and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Z Gao
- Genetics and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Y Wang
- Genetics and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - W Huang
- Genetics and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Q Li
- Genetics and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Z Jiao
- Genetics and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - N Liu
- Genetics and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - X Kong
- Genetics and Prenatal Diagnosis Center, Department of Obstetrics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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Zhu J, Cao J, Cai G, Zhang J, Zhang W, Xie S, Wang J, Jin H, Xu J, Kong X, Jin S, Li Z, Ji H. Non‐trivial Contribution of Carbon Hybridization in Carbon‐based Substrates to Electrocatalytic Activities in Li‐S Batteries. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202214351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Jiawen Zhu
- USTC: University of Science and Technology of China Department of Applied Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Jiaqi Cao
- USTC: University of Science and Technology of China Department of Chemical Physics 96 Jinzhai Road 230026 Hefei CHINA
| | - Guolei Cai
- USTC: University of Science and Technology of China Department of Applied Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Jing Zhang
- Institute of High Energy Physics Chinese Academy of Sciences Beijing Synchrotron Radiation Laboratory CHINA
| | - Wei Zhang
- USTC: University of Science and Technology of China Department of Applied Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Shuai Xie
- USTC: University of Science and Technology of China Department of Applied Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Jinxi Wang
- USTC: University of Science and Technology of China Department of Applied Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Hongchang Jin
- USTC: University of Science and Technology of China Department of Applied Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Junjie Xu
- Hefei University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Xianghua Kong
- Hefei University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Song Jin
- USTC: University of Science and Technology of China Department of Applied Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Zhenyu Li
- USTC: University of Science and Technology of China Hefei National Laboratory for Physical Sciences at the Microscale 96 Jinzhai Road 230026 Hefei CHINA
| | - Hengxing Ji
- University of Science and Technology of China Department of Materials Science and Technology 96 Jinzhai Road Hefei CHINA
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Kong X, Cao R, Lu T, Gao S, Sun G, Cao F. Remote telemedicine strategy based on multi-risks intervention by intelligent wearable health devices in elderly comorbidities patients with coronary heart disease. Eur Heart J 2022. [PMCID: PMC9619686 DOI: 10.1093/eurheartj/ehac544.2813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Background Telemedicine based on wearable intelligent health devices becomes increasingly promissing for the elderly due to the accelerated aging population. Especially during COVID-19 pandemic, more elderly coronary heart disease patients with chronic comorbidities are in less secondary prevention management at home. Objective To explore the prevention effect on main cardiovascular risk factors and repeated hospitalization in elderly comorbidities patients by telemedicine intervention based on multi-parameter wearable monitoring devices. Methods Total of 337 patients with comorbidities of coronary heart disease, hypertension and diabetes, with age more than 65 years old were recruited in the study from October 2019 to January 2021. They were randomly divided into control group and telemedcine intervention group. The latter used remote multi-parameter wearable devices to measure blood pressure, glycemic and electrocardiograph at home every day. A real-time monitoring platform would alarm any abnormal data to the doctors. Both doctors and patients can read the measurement results on a real-time mobile phone APP and interact with each other remotely twice a week routinely. A medical team remotely indicated the medications, while offering guidance on lifestyle. In contrast, the control group adopted traditional outpatient medical strategy to manage diseases. Results A total of 306 patients were enrolled in the follow-up experiment finally: 153 in the intervention group and 153 in the control group. Patient characteristics at baseline were balanced between two groups. After 12 months, compared with the control group, the intervention group saw the following metrics significantly reduced: systolic blood pressure (SBP) (131.66±9.43 vs 137.20±12.02 mmHg, P=0.000), total cholesterol (TC) (3.65±0.79 vs 4.08±0.82 mmol/L, P=0.001), low density lipoprotein cholesterol (LDL-C) (2.06±0.53 vs 2.38±0.61 mmol/L, P=0.002), and fasting blood glucose (FBG) (6.26±0.75 vs 6.81±0.97 mmol/L, P=0.000), while the following metrics went up significantly: blood pressure control rate (77.3% vs 59.1%, P=0.039), blood lipid control rate(39.4% vs 21.2%, P=0.037), glycemic control rate (71.2% vs 51.5%, P=0.031), and medication adherence score (7.10±0.77 vs 6.80±0.73, P=0.020). Linear regression model analysis indicates that when interaction frequency ≥1.53, 2.47 and 1.15 times/week, the SBP, LDL-C and FBG levels would be controlled, respectively. Cox survival analysis finds that the hospitalization rate of intervention group is significantly lower than that of the control group (24.18% vs 35.29%, P=0.031). Conclusion The telemedicine interactive intervention based on multi-parameter wearable devices provides effectively improvement of cardiovascular risk controlling, medication adherence, while reducing the hospitalization rate of patients. A frequency of doctor-patient interactions more than 2 times/week is beneficial for disease management the elderly at home. Funding Acknowledgement Type of funding sources: Foundation. Main funding source(s): Key scientific research project of Health Commission
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Affiliation(s)
- X Kong
- Chinese PLA General Hospital , Beijing , China
| | - R Cao
- Chinese PLA General Hospital , Beijing , China
| | - T Lu
- Chinese PLA General Hospital , Beijing , China
| | - S Gao
- Chinese PLA General Hospital , Beijing , China
| | - G Sun
- Chinese PLA General Hospital , Beijing , China
| | - F Cao
- Chinese PLA General Hospital , Beijing , China
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Jiang F, Li J, Kong X, Qu H, Sun P. EP08.02-076 Efficacy and Safety Evaluations of Anlotinib in Patients with Advanced Non-small Cell Lung Cancer Treated with Bevacizumab. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Wang L, Sun Y, Dai X, Kong X, MA L, Dai X, MA L, Jiang L. POS0812 CAROTID INTIMA-MEDIA THICKNESS/DIAMETER RATIO AND PEAK SYSTOLIC VELOCITY AS RISK FACTORS FOR NEUROLOGICAL SEVERE ISCHEMIC EVENTS IN TAKAYASU’S ARTERITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.3666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundTakayasu’s arteritis (TAK) is an idiopathic systemic vasculitis characterized by the involvement of the aorta and its major branches [1]. The supra-aortic arteries are often involved in TAK, with the reported prevalence ranging from 40% to 84% [2-3]. Importantly, patients with supra-aortic involvement carry a higher risk of neurological severe ischemic events (SIE) [4-5]. The common carotid artery (CCA) is the most affected artery and is more closely associated with neurologic symptoms than other supra-aortic arteries [6]. Ultrasonography (US) has been regarded as the most popular, user-friendly, and repeatable tool for the diagnosis and follow-up of CCA injuries.ObjectivesOur aim was to characterize TAK with supra-aortic involvement and determine the associations between clinical features, carotid US parameters, and neurological SIE.MethodsPatients with supra-aortic involvement including brachiocephalic trunk, bilateral common carotid artery and internal carotid artery, and bilateral subclavian and vertebral artery and baseline carotid US examination were enrolled. Bilateral carotid diameter, intima-media thickness (IMT), and peak systolic velocity (PSV) were measured by US. Then, IMT/diameter ratio (IDR) was calculated. Risk factors associated with neurological SIE were analyzed by multivariate logistic regression.ResultsTotally, 295 patients were included, of whom 93 (31.5%) experienced neurological SIE, with common carotid artery involved (81.7%). Involved supra-aortic artery distribution (p=0.04) and number (p<0.01) differed between neurologic and non-neurologic SIE subjects, showing higher prevalence of common carotid and vertebral artery involvement in cases with neurological SIE and 57.1% neurological SIE patients having more than four involved arteries. The left carotid IMT (p=0.03) and IDR (p<0.01) differed between patients with and without neurological SIE. The left carotid IDR (cut-off value ≥0.55, odds ratio [OR] 4.46; 95% confidence interval [CI] 2.05-9.71; p<0.01) and PSV (≤76 cm/s, OR 3.38; 95% CI 1.62-7.04; p<0.01) and involved supra-aortic artery number (≥4, OR 3.16; 95% CI 1.54-6.47; p<0.01) were independently associated with neurological SIE.ConclusionThe left carotid IDR, PSV and involved supra-aortic artery number would perform as valuable markers for recognizing neurological SIE in TAK patients with supra-aortic lesions.References[1]Kerr GS, Hallahan CW, Giordano J, et al. Takayasu arteritis. Ann Intern Med 1994; 120: 919-29.[2]Cong XL, Dai SM, Feng X, et al. Takayasu’s arteritis: clinical features and outcomes of 125 patients in China. Clin Rheumatol 2010; 29: 973-81.[3]Mirouse A, Biard L, Comarmond C, et al. Overall survival and mortality risk factors in Takayasu’s arteritis: a multicenter study of 318 patients. J Autoimmun 2019; 96: 35-9.[4]Porter A, Youngstein T, Tombetti E, Mason JC. Biologic therapy in supra-aortic Takayasu arteritis can improve symptoms of cerebral ischaemia without surgical intervention. Rheumatology (Oxford) 2020; 59 Suppl 3: iii28-32.[5]Michailidou D, Rosenblum JS, Rimland CA, Marko J, Ahlman MA, Grayson PC. Clinical symptoms and associated vascular imaging findings in Takayasu’s arteritis compared to giant cell arteritis. Ann Rheum Dis 2020; 79: 262-7.[6]Schäfer VS, Jin L, Schmidt WA. Imaging for diagnosis, monitoring, and outcome prediction of large vessel vasculitides. Curr Rheumatol Rep 2020; 22: 76.Disclosure of InterestsNone declared
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Dai X, Wang L, Wu S, Wang J, Sun Y, Ji Z, MA L, Dai X, Chen H, MA L, Kong X, Jiang L. POS0799 BIOMARKER CHANGES IN TAKAYASU ARTERITIS AFTER TOFACITINIB TREATMENT AND THE MOLECULAR SIGNATURE ASSOCIATED WITH DISEASE CHARACTERISTICS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.1940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BackgroundTakayasu’s arteritis (TAK) is a chronic, non-specific, granulomatous macrovasculitis and its pathogenesis is still unclear. The increasing evidence indicated that multiple pathological process involved in the development of TAK. According to previous reports, multiple biomarkers representative different pathological process (1-3), However, which biomarker can closely reflect disease activity or vascular changes and whether these abnormal processes can be prevented by current therapies remained unknown.ObjectivesTo analyze changes of serum cytokine, chemokine, and growth factor profiles in patients with Takayasu arteritis (TAK) after tofacitinib treatment and explore potential molecular signatures related with various disease characteristicsMethodsSeventeen patients from a TAK cohort treated with tofacitinib and 12 healthy controls were recruited in this study. Potential biomarkers with TAK including cytokines, MMPs, chemokines and growth factors were detected in these patients (0, 6, 12 months) and healthy controls. Molecular changes, disease activity, disease remission, and vascular imaging changes were analyzed in these patients after treatment. Furthermore, molecule signatures associated with these clinical features/outcomes were explored via radar plot and correlation analysis.ResultsAt baseline, all the patients were in active status. Meanwhile, patients’ cytokines (PTX3, IL-6, IFN-γ), chemokines (IL-16, CCL22, CCL2), growth factor (VEGF) and MMP9 were significantly higher than those of healthy controls (all p<0.05), while FGF-2 was significantly lower in patients with TAK (p=0.02). After treatment, 94.12% of patients achieved complete remission at 6 and 12 months; patients’ ESR and CRP levels were significantly reduced at 6 months (p=0.02, p=0.046 respectively); vascular improvement were observed in 6 (35.29%) patients at 12 months. With regards to these molecules, IL-10 was increased at 6 months compared with its baseline level (p=0.007). No changes were observed in other cytokines, chemokines, or growth factors. Besides, the radar plot demonstrated that PTX3 was closely correlated with disease activity. In addition, patients with vascular imaging improvement had relatively higher baseline levels of TNFα, ESR, and CRP (p=0.04, p=0.056, p=0.07, respectively), lower CCL22, FGF, and PDGF-AB levels (p=0.056, p=0.06 and p=0.08 respectively) compared with patients without it.ConclusionMultiple molecules representative different pathological mechanism participated in the pathogenesis of TAK. PTX3 was a prominent marker for disease activity, and CCL22 may have a predictive value for vascular imaging changes.References[1]Dagna L, Salvo F, Tiraboschi M, et al. Pentraxin-3 as a marker of disease activity in Takayasu arteritis. Ann Intern Med. 2011;155(7):425-433. doi:10.7326/0003-4819-155-7-201110040-00005[2]Sun Y, Kong X, Wu S, et al. YKL-40 as a new biomarker of disease activity in Takayasu arteritis. Int J Cardiol. 2019; 293: 231-237[3]Dong H, Zhang Y, Zou Y, et al. Elevated chemokines concentration is associated with disease activity in Takayasu arteritis. Cytokine. 2021; 143: 155515Disclosure of InterestsNone declared
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Kong X, Wu S, Dai X, Yu W, Wang J, Sun Y, Ji Z, MA L, Dai X, Chen H, MA L, Jiang L. POS0491 A COMPREHENSIVE PROFILE OF CHEMOKINES IN THE PERIPHERAL BLOOD AND VASCULAR TISSUE OF PATIENTS WITH TAKAYASU ARTERITIS. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.1395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
BackgroundTakayasu arteritis (TAK) is a chronic granulomatous large vessel vasculitis with multiple immune cells involved [1]. In TAK, vascular lesions originate from the vascular adventitia. The vascular adventitia is rich in vasa vasorum, which can transport peripheral immune cells to active vascular lesions in the early stage of lesion development [2]. Thus, chemokines played critical roles in the pathogenesis of TAK. It has been reported that the levels of RANTES, CCL2, CCL20, CXCL8, and CXCL10 were elevated in TAK, and their levels were correlated with disease activity [3, 4]. However, the profile of chemokines in TAK has not been clearly elucidated.ObjectivesThis study aimed to investigate chemokine profile in peripheral blood and vascular tissue of patients with TAK.MethodsA total of 58 patients with TAK and 53 healthy controls were enrolled. Chemokine array assay was performed in five patients with TAK and three controls. Chemokines with higher levels were preliminarily validated in 20 patients and controls. The validated chemokines were further confirmed in another group of samples with 25 patients and 25 controls. Their expression and distribution were also examined in vascular tissue from 8 patients and 5 controls. Correlations between these chemokines and peripheral immune cells, cytokines, disease activity parameters were analyzed. Their serum changes were also investigated in these 45 patients after glucocorticoids and immunosuppressive treatment.ResultsPatients and controls were age and sex-matched. Twelve higher chemokines and 4 lower chemokines were found based on the chemokine array. After validation, increase of 5 chemokines were confirmed in patients with TAK, including CCL22, RANTES, CXCL16, CXCL11, and IL-16. Their expressions were also increased in vascular tissue of patients with TAK. In addition, levels of RANTES and IL-16 were positively correlated with peripheral CD3+CD4+ T cell numbers. Close localization of CCL22, CXCL11 or IL-16 with inflammatory cells were also observed in TAK vascular tissue. No correlations were found between these chemokines and cytokines (IL-6, IL-17, IFN-γ) or inflammatory parameters (ESR, CRP). No differences were observed regarding with these chemokines between active and inactive patients. After treatment, increase of CCL22 and decrease of RANTES, CXCL16 were found, while no changes were showed in levels of CXCL11 and IL-16.ConclusionCCL22, RANTES, CXCL16, CXCL11, and IL-16 were identified as the major chemokines involved in the recruitment of immune cells in the vascular tissue of patients with TAK. Additionally, the persistently high levels of CCL22, CXCL11, and IL-16 observed after treatment indicate their role in vascular chronic inflammation or fibrosis and demonstrate the need for developing more efficacious treatment options.References[1]Seyahi E. Takayasu arteritis: an update. Curr Opin Rheumatol. 2017 Jan;29(1):51-56.[2]Corbera-Bellalta M, Planas-Rigol E, Lozano E, Terrades-García N, Alba MA, Prieto-González S, García-Martínez A, Albero R, Enjuanes A, Espígol-Frigolé G, Hernández-Rodríguez J, Roux-Lombard P, Ferlin WG, Dayer JM, Kosco-Vilbois MH, Cid MC. Blocking interferon γ reduces expression of chemokines CXCL9, CXCL10 and CXCL11 and decreases macrophage infiltration in ex vivo cultured arteries from patients with giant cell arteritis. Ann Rheum Dis. 2016 Jun;75(6):1177-86.[3]Noris M, Daina E, Gamba S, Bonazzola S, Remuzzi G. Interleukin-6 and RANTES in Takayasu arteritis: a guide for therapeutic decisions? Circulation. 1999 Jul 6;100(1):55-60.[4]Dong H, Zhang Y, Zou Y, Chen Y, Yue J, Liu H, Jiang X. Elevated chemokines concentration is associated with disease activity in Takayasu arteritis. Cytokine. 2021 Jul;143:155515.Disclosure of InterestsNone declared.
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Sun Z, Ye Y, Zhu J, Zhou E, Xu J, Liu M, Kong X, Jin S, Ji H. Regulating Sodium Deposition through Gradiently-Graphitized Framework for Dendrite-Free Na Metal Anode. Small 2022; 18:e2107199. [PMID: 35373497 DOI: 10.1002/smll.202107199] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/16/2022] [Indexed: 06/14/2023]
Abstract
Na metal anode (NMA) is one of the most promising candidate materials for next-generation low-cost sodium metal batteries. However, the preferred deposition of Na metal at the anode/separator interface increases the risk of dendrite penetration of the separator, consequently, reduces safety and life of batteries with NMA. In this study, a Na deposition-regulating strategy is shown by designing a gradiently graphitized 3D carbon fiber (CF) framework as host (grad-CF), whereby Na is guided to deposit preferentially at the bottom of the anode, safely away from the separator. The obtained Na anode significantly reduces the probability of dendrite-induced short circuits. The grad-CF host enables NMA stable cycling at a high current density of 6 mA cm-2 . When the Na@grad-CF is applied as anode in full cells pared with Na3 V2 (PO4 )3 (NVP) cathode, it exhibits a reversible capacity of 73 mA h g-1 after 500 cycles with a low decay rate of 0.13%.
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Affiliation(s)
- Zhaowei Sun
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
| | - Yadong Ye
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
| | - Jiawen Zhu
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
| | - En Zhou
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
| | - Junjie Xu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Minghui Liu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Xianghua Kong
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Song Jin
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
| | - Hengxing Ji
- Hefei National Laboratory for Physical Sciences at the Microscale, Department of Applied Chemistry, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, 230026, China
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Chen P, Pan J, Gao W, Wan B, Kong X, Cheng Y, Liu K, Du S, Ji W, Pan C, Wang ZL. Anisotropic Carrier Mobility from 2H WSe 2. Adv Mater 2022; 34:e2108615. [PMID: 34859917 DOI: 10.1002/adma.202108615] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/01/2021] [Indexed: 06/13/2023]
Abstract
Transition metal dichalcogenides (TMDCs) with 2H phase are expected to be building blocks in next-generation electronics; however, they suffer from electrical anisotropy, which is the basics for multi-terminal artificial synaptic devices, digital inverters, and anisotropic memtransistors, which are highly desired in neuromorphic computing. Herein, the anisotropic carrier mobility from 2H WSe2 is reported, where the anisotropic degree of carrier mobility spans from 0.16 to 0.95 for various WSe2 field-effect transistors under a gate voltage of -60 V. Phonon scattering, impurity ions scattering, and defect scattering are excluded for anisotropic mobility. An intrinsic screening layer is proposed and confirmed by Z-contrast scanning transmission electron microscopy (STEM) imaging to respond to the electrical anisotropy. Seven types of intrinsic screening layers are created and calculated by density functional theory to evaluate the modulated electronic structures, effective masses, and scattering intensities, resulting in anisotropic mobility. The discovery of anisotropic carrier mobility from 2H WSe2 provides a degree of freedom for adjusting the physical properties of 2H TMDCs and fertile ground for exploring and integrating TMDC electronic transistors with better performance along the direction of high mobility.
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Affiliation(s)
- Ping Chen
- Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, China
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
| | - Jinbo Pan
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - Wenchao Gao
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
| | - Bensong Wan
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
| | - Xianghua Kong
- Centre for the Physics of Materials and Department of Physics, McGill University, Montreal, QC, H3A 2T8, Canada
| | - Yang Cheng
- State Key Laboratory for Mesoscopic Physics, Academy for Advanced Interdisciplinary Studies, School of Physics, Peking University, Beijing, 100871, China
| | - Kaihui Liu
- State Key Laboratory for Mesoscopic Physics, Academy for Advanced Interdisciplinary Studies, School of Physics, Peking University, Beijing, 100871, China
| | - Shixuan Du
- Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, 100190, China
| | - Wei Ji
- Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials & Micro-Nano Devices, Renmin University of China, Beijing, 100872, China
| | - Caofeng Pan
- Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, China
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhong Lin Wang
- Center on Nanoenergy Research, School of Physical Science and Technology, Guangxi University, Nanning, 530004, China
- CAS Center for Excellence in Nanoscience, Beijing Key Laboratory of Micro-nano Energy and Sensor, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing, 100083, China
- School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, 30332-0245, USA
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Gallet A, Rigby S, Tallman TN, Kong X, Hajirasouliha I, Liew A, Liu D, Chen L, Hauptmann A, Smyl D. Structural engineering from an inverse problems perspective. Proc Math Phys Eng Sci 2022; 478:20210526. [PMID: 35153609 PMCID: PMC8791046 DOI: 10.1098/rspa.2021.0526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 12/07/2021] [Indexed: 01/16/2023] Open
Abstract
The field of structural engineering is vast, spanning areas from the design of new infrastructure to the assessment of existing infrastructure. From the onset, traditional entry-level university courses teach students to analyse structural responses given data including external forces, geometry, member sizes, restraint, etc.-characterizing a forward problem (structural causalities → structural response). Shortly thereafter, junior engineers are introduced to structural design where they aim to, for example, select an appropriate structural form for members based on design criteria, which is the inverse of what they previously learned. Similar inverse realizations also hold true in structural health monitoring and a number of structural engineering sub-fields (response → structural causalities). In this light, we aim to demonstrate that many structural engineering sub-fields may be fundamentally or partially viewed as inverse problems and thus benefit via the rich and established methodologies from the inverse problems community. To this end, we conclude that the future of inverse problems in structural engineering is inexorably linked to engineering education and machine learning developments.
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Affiliation(s)
- A. Gallet
- Department of Civil and Structural Engineering, University of Sheffield, Sheffield, UK
| | - S. Rigby
- Department of Civil and Structural Engineering, University of Sheffield, Sheffield, UK
| | - T. N. Tallman
- School of Aeronautics and Astronautics, Purdue University, West Lafayette, IN, USA
| | - X. Kong
- Department of Physics and Engineering Science, Coastal Carolina University, Conway, SC, USA
| | - I. Hajirasouliha
- Department of Civil and Structural Engineering, University of Sheffield, Sheffield, UK
| | - A. Liew
- Department of Civil and Structural Engineering, University of Sheffield, Sheffield, UK
| | - D. Liu
- School of Physical Sciences, University of Science and Technology of China, Hefei, People’s Republic of China
| | - L. Chen
- Department of Civil and Structural Engineering, University of Sheffield, Sheffield, UK
| | - A. Hauptmann
- Research Unit of Mathematical Sciences, University of Oulu, Oulu, Finland
- Department of Computer Science, University College London, London, UK
| | - D. Smyl
- Department of Civil, Coastal, and Environmental Engineering, University of South Alabama, Mobile, AL, USA
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Chen Y, Peng A, Chen Y, Kong X, Li L, Tang G, Li H, Chen Y, Jiang F, Li P, Zhang Q. Association of TyG Index with CT Features in Patients with Tuberculosis and Diabetes Mellitus. Infect Drug Resist 2022; 15:111-125. [PMID: 35068934 PMCID: PMC8767160 DOI: 10.2147/idr.s347089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/30/2021] [Indexed: 12/03/2022] Open
Abstract
Background The purpose of this study was to investigate the association of the triglyceride glucose (TyG) index, a surrogate marker of insulin resistance (IR) with a high sensitivity of 96.5% and a specificity of 85.0% for the diagnosis of IR, with computed tomography (CT) features in patients with tuberculosis and diabetes mellitus. Methods A total of 247 subjects were enrolled from July, 2020 to May, 2021. The basic clinical features and CT features were analyzed. In addition, multivariate logistic regression analysis models were employed to evaluate the association of the TyG indicator with CT features in participants. Results In the quartile groups of TyG index, air bronchial sign detection rate was 11.7%, 14.5%, 23.2%, and 44.1%; large segmented leafy shadow detection rate was 27.9%, 40.6%, 46.4%, and 66.2%; thick-walled cavity was found in 38.2%, 43.4%, 57.9%, and 69.1%; the rate of multiple cavities was 17.6%, 27.5%, 36.2%, 52.9%; the rate of lymph node enlargement was 22.1%, 17.4%, 28.9%, and 38.2%, respectively. In addition, the positive relation with the TyG index and the prevalence of abnormal CT signs was observed in the fully adjusted model: TyG, per one-unit increase: air bronchial sign: adjusted odds ratio (AOR) 3.92, 95% CI 1–15.35, P = 0.049; multiple cavities: AOR 4.1, 95% CI 1.26–13.31, P = 0.019; thick-walled cavity: AOR 2.89, 95% CI 1.05–8.03, P = 0.041. In quartile of TyG index, compared with patients in quartile 1, the AOR (95% CI) values for air bronchial sign in quartile 4 was 8.1 (1.7–44), p = 0.011; multiple cavities was 7.1 (1.7–32), p = 0.008; thick-walled cavity was 7.8 (1.9–34.7), p = 0.005. Conclusion The present study showed that an increased TyG index was positively related to the severity of patients with T2DM-PTB.
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Affiliation(s)
- Yong Chen
- Department of Endocrinology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - Anzhou Peng
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Center, Chongqing, People’s Republic of China
| | - Yiqing Chen
- Department of Endocrinology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
| | - Xianghua Kong
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Center, Chongqing, People’s Republic of China
| | - Linyang Li
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Center, Chongqing, People’s Republic of China
| | - Guangxiao Tang
- Department of Radiology, Chongqing Public Health Medical Center, Chongqing, People’s Republic of China
| | - Huifen Li
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Center, Chongqing, People’s Republic of China
| | - Yu Chen
- Department of Medical Record Statistics Room, Chongqing Public Health Medical Center, Chongqing, People’s Republic of China
| | - Fan Jiang
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Center, Chongqing, People’s Republic of China
| | - Peibo Li
- Department of Physician Assistant, Chongqing Public Health Medical Center, Chongqing, People’s Republic of China
| | - Qiu Zhang
- Department of Endocrinology, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, People’s Republic of China
- Correspondence: Qiu Zhang; Peibo Li Tel +8613965015060; +8618709843713 Email ;
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Ma L, Wu B, Jin X, Sun Y, Kong X, Ji Z, Chen R, Cui X, Shi H, Jiang L. POS0817 A NOVEL MODEL TO ASSESS DISEASE ACTIVITY IN TAKAYASU ARTERITIS BASED ON 18F-FDG-PET/CT: A CHINESE COHORT STUDY. Ann Rheum Dis 2021. [DOI: 10.1136/annrheumdis-2021-eular.3739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background:Takayasu arteritis (TA) is a condition characterized by major large-vessel vasculitis (LVV), and is most commonly found in young women (age <40 years) of East Asia countries. 18F-FDG-PET/CT has been widely used in the diagnosis and follow-up of cancers to gather functional information based on metabolic activity. In the present study, we evaluated the value of different parameters in 18F-FDG-PET/CT for assessing active TA disease, and we establish a simple, quantifiable, and effective disease activity evaluation model based on 18F-FDG-PET/CT. A comparison in the ability to identify active disease was performed between the established Kerr score and the new 18F-FDG-PET/CT was also performed.Objectives:To investigate the utility of 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG-PET/CT) in assessing disease activity in TA.Methods:Ninety-one patients with TA, were recruited from a Chinese cohort from October 2017 to January 2019. Clinical data, acute-phase reactants (APRs), and 18F-FDG-PET/CT findings were simultaneously recorded. The Physician Global Assessment was used as the gold standard to assess TA disease activity. The value of using 18F-FDG-PET/CT to identify active disease was evaluated, using erythrocyte sedimentation rate (ESR) as a reference. Disease activity assessment models were constructed and concordance index (C-index), net reclassification index (NRI), and integrated discrimination index (IDI) were evaluated to compare the benefits of the new modes with ESR and Kerr score.Results:In total, 64 (70.3%) cases showed active disease. Higher levels of ESR and CRP, and lower interleukin (IL)-2R levels, were observed in active cases. 18F-FDG-PET/CT parameters, including SUVmean, SUVratio1, SUVratio2, sum of SUVmean, and sum of SUVmax, were significantly higher in active disease groups. The C index threshold of ESR to indicate active disease was 0.78 (95% CI: 0.69-0.88). The new activity assessment model combining ESR, sum of SUVmean, and IL-2R showed significant improvement in C index over the ESR method (0.96 vs. 0.78, P < 0.01; NRI 1.63, P < 0.01; and IDI 0.48, P < 0.01). The new model also demonstrated modest superiority to Kerr score assessment (0.96 vs. 0.87, P = 0.03; NRI 1.19, P < 0.01; and IDI 0.33 P < 0.01).Conclusion:A novel 18F-FDG-PET/CT-based method that involves combining the sum of SUVmean with ESR score and IL-2R levels demonstrated superiority in identifying active TA compared to conventional methods.References:[1]Kerr GS, Hallahan CW, Giordano J, Leavitt RY, Fauci AS, Rottem M, et al. Takayasu arteritis. Ann Intern Med 1994;120:919-29.[2]Hoffman GS, Ahmed AE. Surrogate markers of disease activity in patients with Takayasu arteritis. A preliminary report from The International Network for the Study of the Systemic Vasculitides (INSSYS). Int J Cardiol 1998;66 Suppl 1:S191-4; discussion S195.[3]Misra R, Danda D, Rajappa SM, Ghosh A, Gupta R, Mahendranath KM, et al. Development and initial validation of the Indian Takayasu Clinical Activity Score (ITAS2010). Rheumatology (Oxford) 2013;52:1795-801.[4]Bardi M, Diamantopoulos AP. EULAR recommendations for the use of imaging in large vessel vasculitis in clinical practice summary. Radiol Med 2019;124:965-972.[5]Spick C, Herrmann K, Czernin J. 18F-FDG PET/CT and PET/MRI Perform Equally Well in Cancer: Evidence from Studies on More Than 2,300 Patients. J Nucl Med 2016;57:420-30.Disclosure of Interests:None declared
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Fu R, Wu Z, Pan Z, Gao Z, Li Z, Kong X, Li L. Fluorine-Induced Surface Metallization for Ammonia Synthesis under Photoexcitation up to 1550 nm. Angew Chem Int Ed Engl 2021; 60:11173-11179. [PMID: 33650282 DOI: 10.1002/anie.202100572] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/17/2021] [Indexed: 11/10/2022]
Abstract
The first observation of surface metallization of TiO2-x induced by fluoride ions is presented. The emerging metallic states are contributed by the 3d orbital of surface Ti and the 2p orbital of surface bridging F, which are intrinsically originated from the strong electron repulsion between F- and adjacent Ti3+ . The metalized TiO2-x with reduced work function and downward band bending possesses high electron-donating power to supported Ru species via atomic-scale ohmic contacts, exhibiting unprecedented photocatalytic performances for ammonia synthesis across the entire solar spectrum region (200-1550 nm) at room temperature. Mechanism and kinetic analysis revealed that the loaded Ru could behave as efficient electron sinks to accumulate photogenerated electrons and that the metallic surface markedly enhanced the dissociation of H2 and N2 by the hot electrons generated by the visible or even infrared light irradiation.
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Affiliation(s)
- Rong Fu
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Zewen Wu
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.,Centre for the Physics of Materials and Department of Physics, McGill University, Montreal, QC, H3A 2T8, Canada
| | - Ziye Pan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Zhuoyang Gao
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Zhen Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Xianghua Kong
- College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.,Centre for the Physics of Materials and Department of Physics, McGill University, Montreal, QC, H3A 2T8, Canada
| | - Lu Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China.,Electron Microscopy Center, Jilin University, Changchun, 130012, P. R. China
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Ding M, Wang G, Yuan P, He S, Shao T, Liu C, Kong X. [Research progress in the role and mechanism of polysaccharides in regulating glucose and lipid metabolism]. Nan Fang Yi Ke Da Xue Xue Bao 2021; 41:471-475. [PMID: 33849842 DOI: 10.12122/j.issn.1673-4254.2021.03.23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Polysaccharides are a group of compounds composed of multiple monosaccharides of the same or different structures combined by glycosidic bonds, and are widely found in animals and plants and in the cell walls of microorganisms. Polysaccharides possess the advantages of high safety and low toxicity. Recent studies revealed that polysaccharides have a wide range of biological activities including immunoregulation, anti-tumor, antiviral, antioxidant activities, and blood glucose-and lipid- lowering effects. The effects of polysaccharides in improving insulin sensitivity and regulating glucose and lipid metabolism have drawn much attention from researchers. Many polysaccharides can reduce blood glucose and blood lipid by repairing pancreatic islet cells, improving insulin resistance, regulating intestinal flora, enhancing antioxidant capacity, and regulating the activities of key enzymes in glucose and lipid metabolism. This reviews examines the role and mechanism of polysaccharides in regulating glucose and lipid metabolism. The mechanisms of polysaccharide in regulating glucose metabolism include repairing islet cells and increasing insulin content, increasing insulin sensitivity and improving insulin resistance, regulating the activity of key enzymes in glucose metabolism, increasing synthesis of liver glycogen, and regulating intestinal flora. Polysaccharides can also regulate glucose metabolism by improving immune regulation and antagonizing glucagon. Polysaccharide also regulate lipid metabolism by regulating lipid absorption, expression of the related genes such as PPAR-α, enzyme activities in lipid metabolism, improving antioxidant capacity, and modulating intestinal flora and signaling pathways.
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Affiliation(s)
- M Ding
- School of Pharmacy, Drug Research and Development Center, Wannan Medical College, Wuhu 241002, China
| | - G Wang
- School of Pharmacy, Drug Research and Development Center, Wannan Medical College, Wuhu 241002, China.,Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Anhui Provincial Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China
| | - P Yuan
- School of Pharmacy, Drug Research and Development Center, Wannan Medical College, Wuhu 241002, China.,Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Anhui Provincial Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China
| | - S He
- School of Pharmacy, Drug Research and Development Center, Wannan Medical College, Wuhu 241002, China
| | - T Shao
- School of Pharmacy, Drug Research and Development Center, Wannan Medical College, Wuhu 241002, China.,Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Anhui Provincial Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China
| | - C Liu
- School of Pharmacy, Drug Research and Development Center, Wannan Medical College, Wuhu 241002, China.,Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Anhui Provincial Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China
| | - X Kong
- Anhui Provincial Engineering Research Center for Polysaccharide Drugs, Anhui Provincial Key Laboratory of Active Biological Macromolecules, Wuhu 241002, China.,Department of Endocrinology, Yijishan Hospital, First Affiliated Hospital of Wannan Medical College, Wuhu 241001, China
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Zhu X, Chen M, Wang H, Guo Y, Chau MHK, Yan H, Cao Y, Kwok YKY, Chen J, Hui ASY, Zhang R, Meng Z, Zhu Y, Leung TY, Xiong L, Kong X, Choy KW. Clinical utility of expanded non-invasive prenatal screening and chromosomal microarray analysis in high-risk pregnancy. Ultrasound Obstet Gynecol 2021; 57:459-465. [PMID: 32198896 DOI: 10.1002/uog.22021] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/27/2020] [Accepted: 03/13/2020] [Indexed: 06/10/2023]
Abstract
OBJECTIVE To evaluate the utility of expanded non-invasive prenatal screening (NIPS), compared with chromosomal microarray analysis (CMA), for the detection of chromosomal abnormalities in high-risk pregnancies. METHODS This was a multicenter retrospective study of singleton pregnancies at high risk for chromosomal abnormality. Patients who underwent expanded NIPS and CMA sequentially during pregnancy from 2015 to 2019 were included in the analysis. Pregnancies with a positive result for sex chromosome aneuploidy were excluded as the full details could not be retrieved. The utility of expanded NIPS and CMA for detection of chromosomal abnormalities in this cohort was compared by assessing the concordance between the results. RESULTS Of the 774 included high-risk pregnancies, 550 (71.1%) had a positive NIPS result, while a positive CMA result was detected in 308 (39.8%) cases. The rate of full or partial concordance between NIPS and CMA was 82.2%, 59.6% and 25.0% for trisomies 21, 18 and 13, respectively. For rare aneuploidies and segmental imbalances, NIPS and CMA results were fully or partially concordant in 7.5% and 33.3% of cases, respectively. Copy-number variants < 5 Mb were detected more often by CMA, with an incidence of 7.9% (61/774) compared with 3.1% (24/774) by NIPS. A genetic aberration was detected by CMA in 1 in 17 (5.8%) high-risk pregnancies that had a negative or non-reportable NIPS result. CONCLUSION CMA allows for comprehensive detection of genome-wide chromosomal abnormalities in high-risk pregnancies. CMA should be offered instead of expanded NIPS for high-risk pregnancies. Copyright © 2020 ISUOG. Published by John Wiley & Sons Ltd.
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Affiliation(s)
- X Zhu
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- Genetics and Prenatal Diagnosis Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - M Chen
- Department of Fetal Medicine and Prenatal Diagnosis, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - H Wang
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - Y Guo
- Genetics and Prenatal Diagnosis Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - M H K Chau
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
| | - H Yan
- Department of Fetal Medicine and Prenatal Diagnosis, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Y Cao
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- The Chinese University of Hong Kong, Baylor College of Medicine Joint Center for Medical Genetics, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - Y K Y Kwok
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - J Chen
- Department of Fetal Medicine and Prenatal Diagnosis, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - A S Y Hui
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - R Zhang
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - Z Meng
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - Y Zhu
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - T Y Leung
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- The Chinese University of Hong Kong, Baylor College of Medicine Joint Center for Medical Genetics, The Chinese University of Hong Kong, Hong Kong, SAR, China
| | - L Xiong
- Department of Central Laboratory, Shenzhen Baoan Women's and Children's Hospital, Jinan University, Guangdong, China
| | - X Kong
- Genetics and Prenatal Diagnosis Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - K W Choy
- Department of Obstetrics and Gynaecology, The Chinese University of Hong Kong, Hong Kong, SAR, China
- Shenzhen Research Institute, The Chinese University of Hong Kong, Shenzhen, China
- The Chinese University of Hong Kong, Baylor College of Medicine Joint Center for Medical Genetics, The Chinese University of Hong Kong, Hong Kong, SAR, China
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Yang N, Sun K, Wang X, Wang K, Kong X, Gao J, Wen D. Melatonin Participates in Selenium-Enhanced Cold Tolerance of Cucumber Seedlings. Front Plant Sci 2021; 12:786043. [PMID: 35003171 PMCID: PMC8728364 DOI: 10.3389/fpls.2021.786043] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/29/2021] [Indexed: 05/19/2023]
Abstract
Melatonin is an important and widespread plant hormone. However, the underlying physiological and molecular mechanisms of melatonin as a secondary messenger in improving cold tolerance by selenium are limited. This study investigated the effects of selenite on the cold stress of cucumber seedlings. The results showed that exogenous application of selenite improved the cold tolerance of cucumber seedlings, which was dependent on the concentration effect. In the present experiment, 1 μM of selenite showed the best effect on alleviating cold stress. Interestingly, we found that in the process of alleviating cold stress, selenite increased the content of endogenous melatonin by regulating the expression of melatonin biosynthesis genes (TDC, T5H, SNAT, and COMT). To determine the interrelation between selenite and melatonin in alleviating cold stress, melatonin synthesis inhibitor p-chlorophenylalanine and melatonin were used for in-depth study. This study provides a theoretical basis for cucumber cultivation and breeding.
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Affiliation(s)
- Ning Yang
- Shandong Key Laboratory of Greenhouse Vegetable Biology, Huang-Huai-Hai Region Scientific Observation and Experimental Station of Vegetables, Ministry of Agriculture and Rural Affairs, Shandong Branch of National Improvement Center for Vegetables, Institute of Vegetables Research, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Kaining Sun
- Shandong Key Laboratory of Greenhouse Vegetable Biology, Huang-Huai-Hai Region Scientific Observation and Experimental Station of Vegetables, Ministry of Agriculture and Rural Affairs, Shandong Branch of National Improvement Center for Vegetables, Institute of Vegetables Research, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Xiao Wang
- Shandong Key Laboratory of Greenhouse Vegetable Biology, Huang-Huai-Hai Region Scientific Observation and Experimental Station of Vegetables, Ministry of Agriculture and Rural Affairs, Shandong Branch of National Improvement Center for Vegetables, Institute of Vegetables Research, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Kean Wang
- Shandong Key Laboratory of Greenhouse Vegetable Biology, Huang-Huai-Hai Region Scientific Observation and Experimental Station of Vegetables, Ministry of Agriculture and Rural Affairs, Shandong Branch of National Improvement Center for Vegetables, Institute of Vegetables Research, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Xianghua Kong
- Shandong Key Laboratory of Greenhouse Vegetable Biology, Huang-Huai-Hai Region Scientific Observation and Experimental Station of Vegetables, Ministry of Agriculture and Rural Affairs, Shandong Branch of National Improvement Center for Vegetables, Institute of Vegetables Research, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Jianwei Gao
- Shandong Key Laboratory of Greenhouse Vegetable Biology, Huang-Huai-Hai Region Scientific Observation and Experimental Station of Vegetables, Ministry of Agriculture and Rural Affairs, Shandong Branch of National Improvement Center for Vegetables, Institute of Vegetables Research, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Dan Wen
- Shandong Key Laboratory of Greenhouse Vegetable Biology, Huang-Huai-Hai Region Scientific Observation and Experimental Station of Vegetables, Ministry of Agriculture and Rural Affairs, Shandong Branch of National Improvement Center for Vegetables, Institute of Vegetables Research, Shandong Academy of Agricultural Sciences, Jinan, China
- Key Laboratory of Plant Development and Environmental Adaption Biology, Ministry of Education, School of Life Science, Shandong University, Qingdao, China
- *Correspondence: Dan Wen ;
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Wang X, Tian Z, Azad MAK, Zhang W, Blachier F, Wang Z, Kong X. Dietary supplementation with Bacillus mixture modifies the intestinal ecosystem of weaned piglets in an overall beneficial way. J Appl Microbiol 2020; 130:233-246. [PMID: 32654235 DOI: 10.1111/jam.14782] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 06/27/2020] [Accepted: 07/07/2020] [Indexed: 01/22/2023]
Abstract
AIMS This study was conducted to investigate the effects of dietary supplementation with a mixture of Bacillus, which serves as an alternative of antibiotics on the intestinal ecosystem of weaned piglets. METHODS AND RESULTS We randomly assigned 120 piglets to three groups: a control group (a basal diet), a probiotics group (a basal diet supplemented with 4 × 109 CFU per gram Bacillus licheniformis-Bacillus subtilis mixture; BLS mix), and an antibiotics group (a basal diet supplemented with 0·04 kg t-1 virginiamycin, 0·2 kg t-1 colistin and 3000 mg kg-1 zinc oxide). All groups had five replicates with eight piglets per replicate. On days 7, 21 and 42 of the trial, intestine tissue and digesta samples were collected to determine intestinal morphology, gut microbiota and bacterial metabolite composition, and the expression of genes related to the gut barrier function and inflammatory status. The results showed that the BLS mix decreased the jejunum crypt depth, while increased the ileum villus height and the jejunum and ileum villus height to crypt depth ratio. The BLS mix increased Simpson's diversity index in the gut microbiota and the relative abundances of o_Bacteroidetes and f_Ruminococcaceae, but decreased the relative abundances of Blautia and Clostridium. Dietary BLS mix supplementation also modified the concentration of several bacterial metabolites compared to the control group. In addition, BLS mix upregulated the expression level of E-cadherin in the colon and pro-inflammatory cytokines and TLR-4 in ileum and colon. Lastly, Spearman's rank-order correlation revealed a potential link between alterations in gut microbiota and health parameters of the weaned piglets. CONCLUSION These findings suggest that dietary BLS mix supplementation modifies the gut ecosystem in weaned piglets. The potential advantages of such modifications in terms of intestinal health are discussed. SIGNIFICANCE AND IMPACT OF THE STUDY Weaning is the most important transition period of piglet growth and development. This study showed that dietary supplementation of a probiotic mixture of Bacillus, an effective alternative of antibiotics, was beneficial in improving the intestinal ecosystem of weaned piglets.
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Affiliation(s)
- X Wang
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China.,College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - Z Tian
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - M A K Azad
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - W Zhang
- Evonik Degussa (China) Co. Ltd, Beijing, China
| | - F Blachier
- AgroParisTech, Université Paris-Saclay, INRAE, UMR PNCA, Paris, France
| | - Z Wang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - X Kong
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
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Ding H, Zhao X, Ma C, Gao Q, Yin Y, Kong X, He J. Dietary supplementation with Bacillus subtilis DSM 32315 alters the intestinal microbiota and metabolites in weaned piglets. J Appl Microbiol 2020; 130:217-232. [PMID: 32628331 DOI: 10.1111/jam.14767] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/14/2020] [Accepted: 06/27/2020] [Indexed: 02/06/2023]
Abstract
AIM The study was conducted to investigate the effects of dietary Bacillus subtilis (BS) DSM 32315 on the intestinal microbiota composition and metabolites of weaned pigs. METHODS AND RESULTS Sixty-four piglets were allocated to two groups (control and BS), each group including eight replicates with four piglets. Dietary BS DSM 32315 increased (P < 0·05) the abundances of jejunal Leucobacter and Cupriavidus, ileal Thermus, Coprococcus and Bifidobacterium, as well as colonic Succiniclasticum; and increased the concentrations of ileal straight-chain fatty acids, colonic propionate, branched-chain fatty acids (BCFAs), and tyramine, but decreased (P < .05) the colonic indole concentration. The ileal and colonic microbial community structure tended to cluster into two groups. LEfSe analysis identified five microbial biomarkers in jejunum and eight biomarkers in ileum in the BS group, and three biomarkers in colon in the control group. The ileal Bifidobacterium abundance was positively correlated (P < 0·05) with isovalerate concentration, while the colonic Actinobacteria and Lactobacillus abundances were negatively correlated (P < 0·05) with indole concentration. CONCLUSION These findings suggest that dietary supplementation with BS DSM 32315 could alter the diversity, composition, and metabolites of intestinal microbiota in weaned piglets. SIGNIFICANCE AND IMPACT OF THE STUDY Weaned piglets are often accompanied with impaired gastrointestinal tract and intestinal disorder affecting their growth. This study demonstrated that dietary BS DSM 32315 presented a beneficial role in gut health via regulating intestinal microbiota composition and metabolites.
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Affiliation(s)
- H Ding
- College of Animal Science and Technology, Hunan Agricultural University, Hunan Co-Innovation of Animal Production Safety, Changsha, Hunan, China.,CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - X Zhao
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - C Ma
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - Q Gao
- CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - Y Yin
- College of Animal Science and Technology, Hunan Agricultural University, Hunan Co-Innovation of Animal Production Safety, Changsha, Hunan, China.,CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - X Kong
- College of Animal Science and Technology, Hunan Agricultural University, Hunan Co-Innovation of Animal Production Safety, Changsha, Hunan, China.,CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Hunan Provincial Key Laboratory of Animal Nutritional Physiology and Metabolic Process, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
| | - J He
- College of Animal Science and Technology, Hunan Agricultural University, Hunan Co-Innovation of Animal Production Safety, Changsha, Hunan, China
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Kong X, MA L, LV P, Cui X, Chen R, Ji Z, Chen H, Lin J, Jiang L. FRI0196 INVOLVEMENT OF THE PULMONARY ARTERIES IN PATIENTS WITH TAKAYASU ARTERITIS. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.3533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Takayasu arteritis (TA) is a chronic, granulomatous large-vessel vasculitis. It involves the aorta and its main branches predominantly, and leads to vascular thickness, stenosis and occlusion [1]. Besides the aorta and its branches, pulmonary arteries (PAs) are involved in TA. PAs have been reported to be involved in 6.9% to 80% of TA patients from different populations [2-3].Objectives:We investigated the clinical characteristics, pulmonary parenchymal features and cardiac functions in TA patients with PA involvement by combining multiple imaging modalities (MRA, CTA, PET-CT, lung VQ scan, echocardiography and high-resolution computed tomography (HRCT)). Our aim was to elicit better understanding of TA patients with PA involvement to aid rational treatment for these patients and improve their prognosis.Methods:We enrolled 216 patients with TA from a large prospective cohort. PAI was assessed in each patient based on data from magnetic resonance angiography/computed tomography angiography. Pulmonary hypertension, cardiac function, and pulmonary parenchymal abnormalities were evaluated further in patients with PAI based on echocardiography, New York Heart Association Functional Classification and pulmonary computed tomography, respectively. These abnormalities related to PAI were followed up to evaluate treatment effects.Results:PAI was detected in 56/216 (25.93%) patients, which involved the pulmonary trunk, main PAs and small vessels in the lungs. Among patients with PAI, 28 (50%) patients were accompanied by pulmonary hypertension, which was graded as ‘severe’ in 9 (16.07%), ‘moderate’ in 10 (17.86%) and mild in 9 (16.07%). Forty (71.43%) patients had cardiac insufficiency (IV: 6, 10.71%; III: 20, 35.71%; II: 14, 25.00%). Furthermore, 21 (37.50%) patients presented with abnormal parenchymal features in the area corresponding to PAI (e.g., the mosaic sign, infarction, bronchiectasis). During follow-up, two patients died due to abrupt pulmonary thrombosis. In the remaining patients, the abnormalities mentioned above improved partially after routine treatment.Conclusion:PA involvement is very common in TA patients. Physicians should be alerted to PA involvement even if obvious pulmonary symptoms are absent because they can cause PH, cardiac insufficiency as well as pulmonary parenchymal lesions, which will worsen the prognosis.References:[1]M.L.F. Zaldivar Villon, J.A.L. de la Rocha, L.R. Espinoza. Takayasu Arteritis: Recent Developments. Curr Rheumatol Rep 2019; 21: 45.[2]N. Matsunaga, K. Hayashi, I. Sakamoto, et al. Takayasu arteritis: protean radiologic manifestations and diagnosis. Radiographics 1997; 17: 579-594.[3]M. Bicakcigil, K. Aksu, S. Kamali, et al. Takayasu’s arteritis in Turkey - clinical and angiographic features of 248 patients. Clin Exp Rheumatol 2009; 27: S59-64.Figure 1.Imaging of PA lesions in TA patientsA:Dilationof the pulmonary trunk; B: thickness of the pulmonary trunk; C: stenosis of the right main PA; D: embolism of lower PAs on both sides; E: inflammation of the pulmonary-trunk root upon PET–CT; F: absence of left PAs and stenosis of the right main PA; G–I: pulmonary MRA (G), CTA (H) and VQ scan (I) of a patient with TA. MRA shows a fine right main PA and low perfusion in the right lung (G); CTA demonstrates a fine right main PA and fewer PA branches in the right lung (H); lung VQ scan shows multiple arterial emboli in the right lung and obvious less blood supply to the right lung.Figure 2.Pulmonary lesions on HRCT.A: Themosaicsign in the left lung; B: Pulmonary infarction of the right middle lobe; C: Mild pleural effusion on the left side; D: Bronchiectasis in the right lung; E–F: Ground-glass opacity (E) in the right upper lobe of a TA patient with an embolism of the right upper pulmonary branches (F); G–I: Cavitation (G) and mass-like consolidation (H) in the patient with severe stenosis of right main pulmonary artery (I).Acknowledgments:NoneDisclosure of Interests:None declared
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Xu D, Tian X, Zeng X, Zhang F, Zhao L, Zhang S, Zhou J, Zhao JL, Kong X. FRI0224 IDENTIFICATION OF RISK AND PROGNOSTIC FACTORS FOR POLYARTERITIS NODOSA PATIENTS WITH DIGITAL GANGRENE. Ann Rheum Dis 2020. [DOI: 10.1136/annrheumdis-2020-eular.817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Background:Polyarteritis nodosa (PAN) is a segmental, necrotizing vascular disease that primarily impacts medium-sized muscle arteries. The estimated annual incidence of PAN is still lacking in China. Digital gangrene is an ischemic manifestation of the limb. However, the causes and the treatment methods vary from case to case, and the outcome is unpredictable. These features emphasize the need to identify measurable variables that accelerate digital gangrene development in PAN patients. However, little effort has been made to identify the clinical and laboratory factors that affect PAN patients with digital gangrene to anticipate their natural history and response to therapy.Objectives:Many patients with polyarteritis nodosa (PAN) complicated with digital gangrene have poor outcomes and related research information is limited. This study was carried out to identify the associated risk and prognostic factors.Methods:We conducted a retrospective study of 148 PAN patients admitted to Peking Union Medical College Hospital (PUMCH) from September 1986 to December 2018. The characteristics, therapeutic regimens, and outcome data for patients with and without gangrene were compared. The Kaplan–Meier method and Cox hazard regression model were used to evaluate the prognostic factors.Results:Forty-seven (31.8%) PAN patients had digital gangrene complications. The average age was 40.4±17.9 years and the average disease duration was 11 (4-27) months. The presence of digital gangrene was correlated with smoking history [odds ratio (OR), 4.27; 95% confidence interval (95% CI), 1.56-11.66] and eosinophil elevation (28.12; 10.30-76.8). Thirty-two (68.1%) gangrene patients received methylprednisolone pulse therapy and all of these patients were treated with cyclophosphamide. Nine patients suffered irreversible organ injury and two died. Disease duration ≥ 24 months and elevated serum C-reactive protein (CRP) were identified as hazardous factors for poor prognosis in patients with gangrene (P=0.003, HR=8.668, 95% CI 2.11, 35.55 andP=0.042, HR=27.062, 95% CI 1.13, 648.57, respectively).Conclusion:Smoking history and eosinophil elevation in PAN patients were more prone to digital gangrene and high serum CRP level predicted poor outcomes. PAN patients with smoking history and elevated eosinophils need to be seriously evaluated by clinicians. Furthermore, the CRP level should be efficiently controlled for good prognosis.References:[1]De Virgilio A, Greco A, Magliulo G, Gallo A, Ruoppolo G, Conte M, et al. Polyarteritis nodosa: A contemporary overview. Autoimmun Rev. 2016;15:564-70.[2]Pagnoux C, Seror R, Henegar C, Mahr A, Cohen P, Le Guern V, et al. Clinical features and outcomes in 348 patients with polyarteritis nodosa: a systematic retrospective study of patients diagnosed between 1963 and 2005 and entered into the French Vasculitis Study Group Database. Arthritis Rheum. 2010;62:616-26.[3]Xu D, You X, Wang Z, Zeng Q, Xu J, Jiang L, et al. Chinese Systemic Lupus Erythematosus Treatment and Research Group Registry VI: Effect of Cigarette Smoking on the Clinical Phenotype of Chinese Patients with Systemic Lupus Erythematosus. PLoS One. 2015;10:e0134451.Acknowledgments:NoDisclosure of Interests:Dong Xu: None declared, Xinping Tian: None declared, Xiaofeng Zeng Consultant of: MSD Pharmaceuticals, Fengchun Zhang: None declared, Lin Zhao: None declared, Shangzhu Zhang: None declared, Jiaxin Zhou: None declared, Jiu-liang Zhao: None declared, Xiaodan Kong: None declared
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Yang A, Qiu Q, Kong X, Sun Y, Chen T, Zuo Y, Yuan D, Dai W, Zhou J, Peng A. Clinical and Epidemiological Characteristics of COVID-19 Patients in Chongqing China. Front Public Health 2020; 8:244. [PMID: 32574309 PMCID: PMC7273918 DOI: 10.3389/fpubh.2020.00244] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 05/19/2020] [Indexed: 01/24/2023] Open
Abstract
Objectives: To study in-depth the clinical and epidemiological characteristics of pneumonia resulting from COVID-19 and provide evidence for effective public health decisions. Methods: This was a retrospective, single-center research study. Participants were enrolled from patients presenting at the Chongqing Public Health Medical Treatment Center from Jan 24 to Feb 7, 2020, and were confirmed as having COVID-19. Results: A total of 114 COVID-19 patients (99 mild, 4 severe, 11 critical) of which 56 (56/114; 49.1%) were male, 58 (58/114; 50.9%) were female with a mean age of 46.05 years. Twenty nine (29/114; 25.44%) patients suffered from chronic diseases. Neutrophils counts in 23.68% (27/114) of patients were abnormally low and abnormally high in 21.05% (24/114). Erythrocyte sedimentation rate and the C-reactive protein levels were abnormally elevated in 76.5% (62/81) and 62.9% (66/105) of patients, respectively. Creatine kinase isoenzymes (CK-MB), pro-brain natriuretic peptide (pro-BNP) and troponin levels were above the normal range in 7.10% (8/112), 66.7% (10/15), and 100% of patients, respectively. The percentage of patients in which the partial pressure of oxygen (PaO2)/fraction of inspired O2(FiO2) ratio exceeded 200 was 60%. A total of 91 (91/114; 79.82%) patients displayed severe bilateral pneumonia, 52 (52/114; 45.61%) exhibited ground-glass opacity, and pulmonary consolidation was observed in 4 (3.51%) patients. Differences in shortness of breath, insomnia, inappetence, the procalcitonin (PCT) levels, FiO2 and PaO2/FiO2 among the three groups were statistically significant (p < 0.05). Differences between the mild and severe groups was observed in neutrophil and lymphocyte counts, CD4 expression, and levels of C-reactive protein, alanine aminotransferase, aspartate aminotransferase and albumin (P < 0.05). Between the mild and critical groups, differences were observed in neutrophils, platelets, and CD4 expression (P < 0.05). A difference in C-reactive protein levels between severe and critical groups was also found (P < 0.05). Conclusions: In the majority of cases no gender differences were observed and mostly the symptoms were mild. Evidence of efficient human-to-human virus transmission was found. The elderly with comorbidities were more prone to develop into severe or critical illness. Age and comorbidity may be risk factors for poor outcome.
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Affiliation(s)
- Ao Yang
- Department of Traffic Injury Prevention Research Office, Army Medical Center of the PLA, Daping Hospital, Chongqing, China
| | - Qian Qiu
- Department of Tuberculosis Research Office, Chongqing Public Health Medical Treatment Center, Chongqing, China
| | - Xianghua Kong
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Treatment Center, Chongqing, China
| | - Yanyu Sun
- Department of the Third Infection, Chongqing Public Health Medical Treatment Center, Chongqing, China
| | - Tingying Chen
- Department of General Internal Medicine, Chongqing Public Health Medical Treatment Center, Chongqing, China
| | - Yujie Zuo
- Department of the Second Tuberculosis, Chongqing Public Health Medical Treatment Center, Chongqing, China
| | - Danfeng Yuan
- Department of Traffic Injury Prevention Research Office, Army Medical Center of the PLA, Daping Hospital, Chongqing, China
| | - Wei Dai
- Department of Traffic Injury Prevention Research Office, Army Medical Center of the PLA, Daping Hospital, Chongqing, China
| | - Jihong Zhou
- Department of Traffic Injury Prevention Research Office, Army Medical Center of the PLA, Daping Hospital, Chongqing, China
| | - Anzhou Peng
- Department of the Fifth Tuberculosis, Chongqing Public Health Medical Treatment Center, Chongqing, China
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Zhao R, Chen J, Wang Y, Li Y, Kong X, Han Y. Proteolytic activity of Vibrio harveyi YeaZ is related with resuscitation on the viable but non-culturable state. Lett Appl Microbiol 2020; 71:126-133. [PMID: 32349168 DOI: 10.1111/lam.13304] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/27/2020] [Accepted: 04/21/2020] [Indexed: 02/06/2023]
Abstract
The YeaZ protein of Vibrio harveyi was expressed in Escherichia coli and purified. The purified recombinant protein YeaZ exhibited the protease activity. The proteolytic activities with azocasein as substrate were 39 130 U mg-1 . The mutation of the amino acid in active sites such as Asp88 , Ser185 and Trp169 was performed. The enzyme activities of the purified mutant proteins with Asp88 -Ala, Ser185 -Leu and Trp169 -Glu were decreased to 24·28, 35·27 and 41·66%, respectively. The mutant protein with two amino acid residues (Asp88 -Ala/Ser185 -Leu) lost the protease activity completely. Addition of the purified recombinant YeaZ increased resuscitation of the viable but non-culturable state (VBNC) cells to culturable state, and the culturable cell count increased from 1·35 × 102 to 3·10 × 106 CFU per ml. While addition of the mutant YeaZ without protease activities did not show obvious promoting effect on resuscitation of VBNC cells. Moreover, the purified YeaZ also showed lower muralytic activity, and the activities of proteins with single amino acids mutation (Thr71 and Asp112 ) were reduced from 7·05 to 4·75 and 2·50 U mg-1 , the resuscitation-promoting effect on VBNC cells was not affected by these mutant proteins. These results implied that resuscitation-promoting effect of YeaZ on VBNC cell was partly related to its protease activities, but not with the muralytic activity. SIGNIFICANCE AND IMPACT OF THE STUDY: Vibrio harveyi is a major pathogen of marine animals. The bacterium could enter into a viable but non-culturable state (VBNC) state when exposed to harsh conditions, and retains its pathogenicity after resuscitation. In this work, we analysed the enzyme activities of a resuscitation-promoting factor YeaZ and the relationship of protease activities with its promoting effect on the resuscitation of VBNC cells. The results partly revealed the promoting mechanism of the YeaZ on the bacterial resuscitation from VBNC state. The protein could be used as a new drug target and vaccine candidate.
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Affiliation(s)
- R Zhao
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, China
| | - J Chen
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, China
| | - Y Wang
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou, China
| | - Y Li
- Chongqing Key Laboratory of Environmental Materials and Remediation Technologies, Chongqing University of Arts and Sciences, Chongqing, China
| | - X Kong
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, China
| | - Y Han
- School of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, China
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Wang L, Yang SJ, Tan YZ, Luo S, Kong X, Tang CX, Lu MJ, Qi L, Zhou CS, Lu GM, Zhang LJ, Li YM. [Radiation dose and image quality of noncontrast chest CT in domestic and imported main stream manufacturers]. Zhonghua Yi Xue Za Zhi 2020; 100:1148-1153. [PMID: 32311878 DOI: 10.3760/cma.j.cn112137-20190903-01957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To compare the radiation dose and image quality of noncontrast chest CT and detection of ground-glass opacity pulmonary nodules (GGN) in domestic 128-slice spiral CT with the other CT scanners from three main stream manufacturers. Methods: From May 8, 2018 to October 31, 2018, noncontrast chest CT images from Neusoft 128-slice CT (75 males, 25 females, (42±16) years), dual-source 64-slice CT (53 males, 47 females, (50±16) years) and dual-source 128-slice CT scanners(69 males, 31 females, (62±17) years), Toshiba 128-slice CT (51 males, 49 females, (58±13) years) and GE 128-slice CT scanner (55 males, 45 females, (60±10) years) were collected in Eastern Theater Command and Tianjin People's Hospital. Radiation dose and image quality were evaluated.GGN detected both in Neusoft CT and dual-source CT scanners were used to analyze the displaying ability of lesions. Results: The noise in lung window of Neusoft CT ((37.8±4.9) HU) was higher than that of other mainstream CT scanners, and the noise in mediastinal window ((8.4±1.9) HU) was lower than that of GE 128-slice CT ((9.8±3.2) HU), but higher than that of dual-source CT and Toshiba 128-slice CT ((6.9±3.5)HU) (P<0.05). The absolute value of lung SNR in Neusoft CT was lower than that of other mainstream CT scanners, and the SNR in aorta (4.6±1.3) was lower than those of dual-source CT and Toshiba 128-slice CT(6.8±2.2) (P<0.05), but was not statistically significant compared with GE 128-slice CT (5.0±1.7). The mean CT value of upper lung ((-863±31) HU) at Neusoft CT was higher than 128-row dual-source CT ((-869±35) HU), and the mean CT value of aorta ((37±7) HU) was lower than that of Toshiba 128-slice CT((42±7) HU) and GE 128-slice CT ((45±9) HU) (P<0.05), while the mean CT values of the remaining lung and aorta were not statistically significant (P>0.05). The two readers had good to excellent consistency for image quality in five scanners (the highest kappa value=0.984). The delineation ability of Neusoft CT for GGN boundary was lower than that of dual-source CT (P<0.05), but had similar abilities to display the solid components, lobulation, burring, vacuoles, vascular bundle sign and pleural depression sign of GGN (all P>0.05). Radiation dose of Neusoft CT was lower than Toshiba 128-slice CT, but higher than dual-source 64-sliceCT and GE 128-slice CT scanners (P<0.05). Conclusions: With lower radiation dose than Toshiba 128-slice CT, Neusoft CT chest examination can meet the requirements of clinical diagnosis, but higher radiation dose and the lower image quality than dual-source CT and GE 128-slice CT shown in this study indicate further improvement is needed in terms of software and hardware.
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Affiliation(s)
- L Wang
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - S J Yang
- Department of Radiology, Tianjin Union Medical Center, Tianjin 300121, China
| | - Y Z Tan
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - S Luo
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - X Kong
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - C X Tang
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - M J Lu
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - L Qi
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - C S Zhou
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - G M Lu
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - L J Zhang
- Jinling Hospital, Medical School of Nanjing University, Department of Medical Imaging, General Hospital of Eastern Theater Command, Nanjing 210002, China
| | - Y M Li
- Department of Radiology, Tianjin Union Medical Center, Tianjin 300121, China
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Peng X, Yang C, Kong X, Xiang Y, Dai W, Quan H. Multifunctional nanocomposites MGO/FU-MI inhibit the proliferation of tumor cells and enhance the effect of chemoradiotherapy in vivo and in vitro. Clin Transl Oncol 2020; 22:1875-1884. [PMID: 32170638 DOI: 10.1007/s12094-020-02331-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 02/25/2020] [Indexed: 12/21/2022]
Abstract
PURPOSE The limitation of surgery, radiotherapy and chemotherapy in the treatment of cancer and the rise of the application of nanomaterials in the field of biomedicine have promoted the application of various nanomaterials in the combination of radiotherapy and chemotherapy in the treatment of cancer. To improve the efficiency of cancer treatment, the multifunctional nanocomposites MGO/FU-MI (MGO/FU-MI NCs) were used for combination chemotherapy and radiotherapy to verify its effectiveness in treating tumors. METHODS The proliferation activity of MGO/FU-MI NCs on MC-38 and B16 cells was detected by CCK-8, and the level of apoptosis and reactive oxygen species were detected by flow cytometry. To verify its efficacy in the combination of chemoradiotherapy, different treatment regimens were developed for several groups of tumor-bearing mice. RESULTS The MGO/FU-MI NCs can induce apoptosis, stimulate ROS production, and inhibit cell proliferation. In vivo experiments, when MGO/FU-MI NCs are used alone for chemotherapy, have a certain therapeutic effect on mouse tumors. When MGO/FU-MI NCs are combined with radiation, the tumor volume can be significantly reduced and the survival time of mice is significantly prolonged. CONCLUSION The MGO/FU-MI NCs are very effective in the treatment of tumors when combined with radiotherapy and chemotherapy, and have the potential to be a combination of radiotherapy and chemotherapy.
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Affiliation(s)
- X Peng
- Key Laboratory of Artificial Micro-Structures of the Ministry of Education and Center for Electronic Microscopy and Department of Physics, Wuhan University, Wuhan, Hubei, China
| | - C Yang
- Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - X Kong
- Key Laboratory of Artificial Micro-Structures of the Ministry of Education and Center for Electronic Microscopy and Department of Physics, Wuhan University, Wuhan, Hubei, China
| | - Y Xiang
- Key Laboratory of Artificial Micro-Structures of the Ministry of Education and Center for Electronic Microscopy and Department of Physics, Wuhan University, Wuhan, Hubei, China
| | - W Dai
- Key Laboratory of Artificial Micro-Structures of the Ministry of Education and Center for Electronic Microscopy and Department of Physics, Wuhan University, Wuhan, Hubei, China
| | - H Quan
- Key Laboratory of Artificial Micro-Structures of the Ministry of Education and Center for Electronic Microscopy and Department of Physics, Wuhan University, Wuhan, Hubei, China.
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Lan Y, Tao X, Kong X, He Y, Zheng X, Sutton M, Kanatzidis MG, Guo H, Cooke DG. Coherent charge-phonon correlations and exciton dynamics in orthorhombic CH3NH3PbI3 measured by ultrafast multi-THz spectroscopy. J Chem Phys 2019; 151:214201. [DOI: 10.1063/1.5127992] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- Yang Lan
- Department of Physics, McGill University, Montreal, Quebec H3A 2T8, Canada
| | - Xixi Tao
- Department of Physics, McGill University, Montreal, Quebec H3A 2T8, Canada
- Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
- University of Science and Technology of China, Hefei 230026, China
| | - Xianghua Kong
- Department of Physics, McGill University, Montreal, Quebec H3A 2T8, Canada
| | - Yihui He
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, USA
| | - Xiaohong Zheng
- Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, China
- University of Science and Technology of China, Hefei 230026, China
| | - Mark Sutton
- Department of Physics, McGill University, Montreal, Quebec H3A 2T8, Canada
| | | | - Hong Guo
- Department of Physics, McGill University, Montreal, Quebec H3A 2T8, Canada
| | - David G. Cooke
- Department of Physics, McGill University, Montreal, Quebec H3A 2T8, Canada
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Zheng Y, Luo L, Gao Z, Liu Y, Chen Q, Kong X, Yang Y. Grafting induces flowering time and tuber formation changes in Brassica species involving FT signalling. Plant Biol (Stuttg) 2019; 21:1031-1038. [PMID: 31267637 DOI: 10.1111/plb.13024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 06/26/2019] [Indexed: 06/09/2023]
Abstract
Brassica species are widely cultivated and important biennial and annual crops. The transition from vegetative to reproductive development in Brassica species is critical in agriculture and horticulture. Grafting is a useful tool for improving agricultural production and investigating the movement of long-range signals. Here we established a hypocotyl micrografting system in B. rapa crops and successfully grafted the rootstock of turnip onto many different scion genotypes. Grafting with turnip rootstock prolonged vegetative growth, delayed flowering and improved seed yield in rapeseed. The late-flowering turnip rootstock could delay flowering of the scion of the early-flowering turnip accession. The BrrFLC1 (FLOWERING LOCUS C1 in B. rapa) transcript levels and H3K4me3 levels at the BrrFLC1 locus were up-regulated and subsequently suppressed the downstream FT (FLOWERING LOCUS T) signals in leaves of the scion to delay flowering. Vernalization treatment can efficiently promote flowering time in turnip. The non-vernalised turnip flowered early after grafting onto the rootstock of the vernalised turnip, which was accompanied by high levels of FT homologue expression in leaves of the scion. Hypocotyl excision experiments revealed that the process of tuber formation was suppressed by removing the hypocotyl tissue, which in turn repressed the expression of tuberization-related genes. Our findings suggest that the rootstock generates mobile signals that are transported from the rootstock to the scion to fine-tune FT signalling and modulate flowering time.
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Affiliation(s)
- Y Zheng
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- University of Chinese Academy of Sciences, Beijing, China
| | - L Luo
- School of Ecology and Environmental Science, Yunnan University, Kunming, China
| | - Z Gao
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Y Liu
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Q Chen
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - X Kong
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Y Yang
- Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
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Zhou J, Kong X, Sekhar MC, Lin J, Le Goualher F, Xu R, Wang X, Chen Y, Zhou Y, Zhu C, Lu W, Liu F, Tang B, Guo Z, Zhu C, Cheng Z, Yu T, Suenaga K, Sun D, Ji W, Liu Z. Epitaxial Synthesis of Monolayer PtSe 2 Single Crystal on MoSe 2 with Strong Interlayer Coupling. ACS Nano 2019; 13:10929-10938. [PMID: 31550117 DOI: 10.1021/acsnano.8b09479] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
PtSe2, a layered two-dimensional transition-metal dichalcogenide (TMD), has drawn intensive attention owing to its layer-dependent band structure, high air stability, and spin-layer locking effect which can be used in various applications for next-generation optoelectronic and electronic devices or catalysis applications. However, synthesis of PtSe2 is highly challenging due to the low chemical reactivity of Pt sources. Here, we report the chemical vapor deposition of monolayer PtSe2 single crystals on MoSe2. The periodic Moiré patterns from the vertically stacked heterostructure (PtSe2/MoSe2) are clearly identified via annular dark-field scanning transmission electron microscopy. First-principles calculations show a type II band alignment and reveal interface states originating from the strong-weak interlayer coupling (SWIC) between PtSe2 and MoSe2 monolayers, which is supported by the electrostatic force microscopy imaging. Ultrafast hole transfer between PtSe2 and MoSe2 monolayers is observed in the PtSe2/MoSe2 heterostructure, matching well with the theoretical results. Our study will shed light on the synthesis of Pt-based TMD heterostructures and boost the realization of SWIC-based optoelectronic devices.
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Affiliation(s)
- Jiadong Zhou
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
| | - Xianghua Kong
- Department of Physics and Centre for the Physics of Materials , McGill University , Montreal , Quebec H3A 2T8 , Canada
- Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials and Micro-nano Devices , Renmin University of China , Beijing 100872 , China
| | - M Chandra Sekhar
- International Center for Quantum Materials, School of Physics , Peking University , Beijing 100871 , China
- Collaborative Innovation Center of Quantum Matter , Beijing 100871 , China
| | - Junhao Lin
- Department of Physics , Southern University of Science and Technology , Shenzhen 518055 , China
| | - Frederic Le Goualher
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
| | - Rui Xu
- Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials and Micro-nano Devices , Renmin University of China , Beijing 100872 , China
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
| | - Xiaowei Wang
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
| | - Yu Chen
- Centre for Disruptive Photonic Technologies, School of Physical and Mathematical Sciences , Nanyang Technological University , 637371 Singapore
| | - Yao Zhou
- Centre for Disruptive Photonic Technologies, School of Physical and Mathematical Sciences , Nanyang Technological University , 637371 Singapore
| | - Chao Zhu
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
| | - Wei Lu
- International Center for Quantum Materials, School of Physics , Peking University , Beijing 100871 , China
- Collaborative Innovation Center of Quantum Matter , Beijing 100871 , China
| | - Fucai Liu
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
| | - Bijun Tang
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
| | - Zenglong Guo
- Department of Physics , Southern University of Science and Technology , Shenzhen 518055 , China
| | - Chao Zhu
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
| | - Zhihai Cheng
- Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials and Micro-nano Devices , Renmin University of China , Beijing 100872 , China
- CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience , National Center for Nanoscience and Technology , Beijing 100190 , China
| | - Ting Yu
- Centre for Disruptive Photonic Technologies, School of Physical and Mathematical Sciences , Nanyang Technological University , 637371 Singapore
| | - Kazu Suenaga
- National Institute of Advanced Industrial Science and Technology (AIST) , Tsukuba 305-8565 , Japan
| | - Dong Sun
- International Center for Quantum Materials, School of Physics , Peking University , Beijing 100871 , China
- Collaborative Innovation Center of Quantum Matter , Beijing 100871 , China
| | - Wei Ji
- Department of Physics and Beijing Key Laboratory of Optoelectronic Functional Materials and Micro-nano Devices , Renmin University of China , Beijing 100872 , China
| | - Zheng Liu
- School of Materials Science and Engineering , Nanyang Technological University , 639798 Singapore
- CNRS International NTU THALES Research Alliances, UMI 3288 , Research Techno Plaza, 50 Nanyang Drive , Border X Block, Level 6, 637553 Singapore
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