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Deng TH, Zhang Y, Zhang WW, Su Y, Gao JW, Ying JJ, Xu L, Xia XM, Sun C. Marinobacter albus sp. nov., Isolated from Sand Sediment in a Coastal Intertidal Zone. Curr Microbiol 2024; 81:138. [PMID: 38609554 DOI: 10.1007/s00284-024-03676-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Accepted: 03/24/2024] [Indexed: 04/14/2024]
Abstract
A Gram-stain-negative bacterium with a rod-to-ovoid shape, named strain M216T, was isolated from sand sediment from the coastal intertidal zone of Huludao, Liaoning Province, China. Growth was observed at 8-40 °C (optimal, 30 °C), pH 5.5-9.5 (optimal, pH 6.5) and 0.5-14.0% (w/v) NaCl (optimal, 6%). Strain M216T possessed ubiquinone-9 as its sole respiratory quinone and phosphatidylethanolamine, diphosphatidylglycerol, phosphatidylglycerol, one unidentified aminophosphoglycolipid, one unidentified aminophospholipid, two unidentified phosphoglycolipids, three unidentified phospholipids and three unidentified glycolipids as the main polar lipids. C12:0, C16:0, C12:0 3-OH, C16:1 ω9c, C18:1 ω9c and summed features 3 (C16:1 ω7c and/or C16:1 ω6c) were the major fatty acids (> 5%). The 16S rRNA gene sequence of strain M216T exhibited high similarity to those of 'Marinobacter arenosus' CAU 1620T and Marinobacter adhaerens HP15T (99.3% and 98.5%, respectively) and less than 98.5% similarity to those of the other type strains. The ANI and dDDH values between the strain M216T and 'Marinobacter arenosus' CAU 1620T were 87.4% and 33.3%, respectively; these values were the highest among the other type strains but lower than the species threshold. The G+C content of strain M216T was 58.3%. Genomic analysis revealed that strain M216T harbors the major CAZymes of GH13, GH23, GH73, and PL5, which are responsible for polysaccharide degradation and the potential ability to reduce nitrate to ammonia. Through phenotypic, genotypic, and chemotaxonomic analyses, we proposed the name Marinobacter albus sp. nov., a novel species in the genus Marinobacter, with its type strain M216T (= MCCC 1K08600T = KCTC 82894T).
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Affiliation(s)
- Tai-Hang Deng
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China
| | - Yu Zhang
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China
| | - Wen-Wu Zhang
- Trend Biotech Co., Ltd., Hangzhou, 311121, People's Republic of China
| | - Yue Su
- Trend Biotech Co., Ltd., Hangzhou, 311121, People's Republic of China
| | - Jia-Wei Gao
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China
| | - Jun-Jie Ying
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China
| | - Lin Xu
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China
| | - Xiao-Ming Xia
- Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, 310012, People's Republic of China
| | - Cong Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China.
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China.
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Liu W, Fu W, Wei Y, Yu G, Wang T, Xu L, Wu X, Lin P, Yu X, Cui C, Wang P. Exceptional Hole-Selective Properties of Ta 2O 5 Films via Sn 4+ Doping for High Performance Silicon Heterojunction Solar Cells. Small 2024; 20:e2306666. [PMID: 37990400 DOI: 10.1002/smll.202306666] [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: 08/04/2023] [Revised: 10/19/2023] [Indexed: 11/23/2023]
Abstract
Carrier-selective passivating contacts using transition metal oxides (TMOs) have attracted great attention for crystalline silicon (c-Si) heterojunction solar cells recently. Among them, tantalum oxide (Ta2O5) exhibits outstanding advantages, such as a wide bandgap, good surface passivation, and a small conduction band offset with c-Si, which is typically used as an electron-selective contact layer. Interestingly, it is first demonstrated that solution-processed Ta2O5 films exhibit a high hole selectivity, which blocks electrons and promotes hole transport simultaneously. Through the ozone pre-treatment of Ta2O5/p-Si interface and optimization of the film thickness (≈9 nm), the interfacial recombination is suppressed and the contact resistivity is reduced from 178.0 to 29.3 mΩ cm2. Moreover, the Sn4+ doping increases both the work function and oxygen vacancies of the film, contributing to the improved hole-selective contact performance. As a result, the photoelectric conversion efficiencies of Ta2O5/p-Si heterojunction solar cells are significantly improved from 14.84% to 18.47%, with a high thermal stability up to 300 °C. The work has provided a feasible strategy to explore new features of TMOs for carrier-selective contact applications, that is, bipolar carrier transport properties.
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Affiliation(s)
- Wuqi Liu
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Wang Fu
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yaju Wei
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Guoqiang Yu
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Tao Wang
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Lingbo Xu
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Xiaoping Wu
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Ping Lin
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Xuegong Yu
- State Key Laboratory of Silicon and Advanced Semiconductor Materials & School of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China
| | - Can Cui
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Peng Wang
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, China
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Nairan A, Feng Z, Zheng R, Khan U, Gao J. Engineering Metallic Alloy Electrode for Robust and Active Water Electrocatalysis with Large Current Density Exceeding 2000 mA cm -2. Adv Mater 2024:e2401448. [PMID: 38518760 DOI: 10.1002/adma.202401448] [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: 01/27/2024] [Indexed: 03/24/2024]
Abstract
The amelioration of brilliantly effective electrocatalysts working at high current density for the oxygen evolution reaction (OER) is imperative for cost-efficient electrochemical hydrogen production. Yet, the kinetically sluggish and unstable catalysts remain elusive to large-scale hydrogen (H2) generation for industrial applications. Herein, a new strategy is demonstrated to significantly enhance the intrinsic activity of Ni1-xFex nanochain arrays through a trace proportion of heteroatom phosphorus doping that permits robust water splitting at an extremely large current density of 1000 and 2000 mA cm-2 for 760 h. The in situ formation of Ni2P and Ni5P4 on Ni1-xFex nanochain arrays surface and hierarchical geometry of the electrode significantly promote the reaction kinetics and OER activity. The OER electrode provides exceptionally low overpotentials of 222 and 327 mV at current densities of 10 and 2000 mA cm-2 in alkaline media, dramatically lower than benchmark IrO2 and is among the most active catalysts yet reported. Remarkably, the alkaline electrolyzer renders a low voltage of 1.75 V at a large current density of 1000 mA cm-2, indicating outperformed overall water splitting. The electrochemical fingerprints demonstrate vital progress toward large-scale H2 production for industrial water electrolysis.
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Affiliation(s)
- Adeela Nairan
- Institute of Functional Porous Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Zhuo Feng
- Institute of Functional Porous Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Ruiming Zheng
- Institute of Functional Porous Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Usman Khan
- Institute of Functional Porous Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Junkuo Gao
- Institute of Functional Porous Materials, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
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Ahmad A, Nairan A, Feng Z, Zheng R, Bai Y, Khan U, Gao J. Unlocking the Potential of High Entropy Alloys in Electrochemical Water Splitting: A Review. Small 2024:e2311929. [PMID: 38396229 DOI: 10.1002/smll.202311929] [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: 12/20/2023] [Revised: 02/04/2024] [Indexed: 02/25/2024]
Abstract
The global pursuit of sustainable energy is focused on producing hydrogen through electrocatalysis driven by renewable energy. Recently, High entropy alloys (HEAs) have taken the spotlight in electrolysis due to their intriguing cocktail effect, broad design space, customizable electronic structure, and entropy stabilization effect. The tunability and complexity of HEAs allow a diverse range of active sites, optimizing adsorption strength and activity for electrochemical water splitting. This review comprehensively covers contemporary advancements in synthesis technique, design framework, and physio-chemical evaluation approaches for HEA-based electrocatalysts. Additionally, it explores design principles and strategies aimed at optimizing the catalytic activity, stability, and effectiveness of HEAs in hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and overall water splitting. Through an in-depth investigation of these aspects, the complexity inherent in constituent element interactions, reaction processes, and active sites associated with HEAs is aimed to unravel. Eventually, an outlook regarding challenges and impending difficulties and an outline of the future direction of HEA in electrocatalysis is provided. The thorough knowledge offered in this review will assist in formulating and designing catalysts based on HEAs for the next generation of electrochemistry-related applications.
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Affiliation(s)
- Abrar Ahmad
- Institute of Functional Porous Materials, School of Material Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Adeela Nairan
- Institute of Functional Porous Materials, School of Material Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Zhuo Feng
- Institute of Functional Porous Materials, School of Material Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Ruiming Zheng
- Institute of Functional Porous Materials, School of Material Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yelin Bai
- Institute of Functional Porous Materials, School of Material Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Usman Khan
- Institute of Functional Porous Materials, School of Material Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Junkuo Gao
- Institute of Functional Porous Materials, School of Material Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
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Wu Y, Sun R, Huan T, Zhao Y, Yu D, Sun Y. An insight into the gene expression evolution in Gossypium species based on the leaf transcriptomes. BMC Genomics 2024; 25:179. [PMID: 38355396 PMCID: PMC10868065 DOI: 10.1186/s12864-024-10091-x] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 02/05/2024] [Indexed: 02/16/2024] Open
Abstract
BACKGROUND Gene expression pattern is associated with biological phenotype and is widely used in exploring gene functions. Its evolution is also crucial in understanding species speciation and divergence. The genus Gossypium is a bona fide model for studying plant evolution and polyploidization. However, the evolution of gene expression during cotton species divergence has yet to be extensively discussed. RESULTS Based on the seedling leaf transcriptomes, this work analyzed the transcriptomic content and expression patterns across eight cotton species, including six diploids and two natural tetraploids. Our findings indicate that, while the biological function of these cotton transcriptomes remains largely conserved, there has been significant variation in transcriptomic content during species divergence. Furthermore, we conducted a comprehensive analysis of expression distances across cotton species. This analysis lends further support to the use of G. arboreum as a substitute for the A-genome donor of natural cotton polyploids. Moreover, our research highlights the evolution of stress-responsive pathways, including hormone signaling, fatty acid degradation, and flavonoid biosynthesis. These processes appear to have evolved under lower selection pressures, presumably reflecting their critical role in the adaptations of the studied cotton species to diverse environments. CONCLUSIONS In summary, this study provided insights into the gene expression variation within the genus Gossypium and identified essential genes/pathways whose expression evolution was closely associated with the evolution of cotton species. Furthermore, the method of characterizing genes and pathways under unexpected high or slow selection pressure can also serve as a new strategy for gene function exploration.
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Affiliation(s)
- Yuqing Wu
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Rongnan Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Tong Huan
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yanyan Zhao
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Dongliang Yu
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Yuqiang Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
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Zhang L, Luo G, Zhang W, Yao Y, Ren P, Geng X, Zhang Y, Wu X, Xu L, Lin P, Yu X, Wang P, Cui C. Strain Regulation and Defect Passivation of FA-Based Perovskite Materials for Highly Efficient Solar Cells. Adv Sci (Weinh) 2024; 11:e2305582. [PMID: 38064168 PMCID: PMC10870053 DOI: 10.1002/advs.202305582] [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: 08/10/2023] [Revised: 10/28/2023] [Indexed: 02/17/2024]
Abstract
Formamidine lead triiodide (FAPbI3 ) perovskites have attracted increasing interest for photovoltaics attributed to the optimal bandgap, high thermal stability, and the record power conversion efficiency (PCE). However, the materials still face several key challenges, such as phase transition, lattice defects, and ion migration. Therefore, external ions (e.g., cesium ions (Cs+ )) are usually introduced to promote the crystallization and enhance the phase stability. Nevertheless, the doping of Cs+ into the A-site easily leads to lattice compressive strain and the formation of pinholes. Herein, trioctylphosphine oxide (TOPO) is introduced into the precursor to provide tensile strain outside the perovskite lattice through intermolecular forces. The special strain compensation strategy further improves the crystallization of perovskite and inhibits the ion migration. Moreover, the TOPO molecule significantly passivates grain boundaries and undercoordinated Pb2+ defects via the forming of P═O─Pb bond. As a result, the target solar cell devices with the synergistic effect of Cs+ and TOPO additives have achieved a significantly improved PCE of 22.71% and a high open-circuit voltage of 1.16 V (voltage deficit of 0.36 V), with superior stability under light exposure, heat, or humidity conditions.
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Affiliation(s)
- Linfeng Zhang
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Guohui Luo
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Weihao Zhang
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Yuxin Yao
- State Key Laboratory of Silicon and Advanced Semiconductor Materials & School of Materials Science and EngineeringZhejiang UniversityHangzhou310027China
| | - Penghui Ren
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Xiuhong Geng
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Yi Zhang
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Xiaoping Wu
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Lingbo Xu
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Ping Lin
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Xuegong Yu
- State Key Laboratory of Silicon and Advanced Semiconductor Materials & School of Materials Science and EngineeringZhejiang UniversityHangzhou310027China
| | - Peng Wang
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
| | - Can Cui
- Key Laboratory of Optical Field Manipulation of Zhejiang ProvinceDepartment of PhysicsZhejiang Sci‐Tech UniversityHangzhou310018China
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Qin C, Jiang ZJ, Maiyalagan T, Jiang Z. Rational Design of Hollow Structural Materials for Sodium-Ion Battery Anodes. CHEM REC 2024; 24:e202300206. [PMID: 37736673 DOI: 10.1002/tcr.202300206] [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: 06/15/2023] [Revised: 08/31/2023] [Indexed: 09/23/2023]
Abstract
The development of sodium-ion battery (SIB) anodes is still hindered by their rapid capacity decay and poor rate capabilities. Although there have been some new materials that can be used to fabricate stable anodes, SIBs are still far from wide applications. Strategies like nanostructure construction and material modification have been used to prepare more robust SIB anodes. Among all the design strategies, the hollow structure design is a promising method in the development of advanced anode materials. In the past decade, research efforts have been devoted to modifying the synthetic route, the type of templates, and the interior structure of hollow structures with high capacity and stability. A brief introduction is made to the main material systems and classifications of hollow structural materials first. Then different morphologies of hollow structural materials for SIB anodes from the latest reports are discussed, including nanoboxes, nanospheres, yolk shells, nanotubes, and other more complex shapes. The most used templates for the synthesis of hollow structrual materials are covered and the perspectives are highlighted at the end. This review offers a comprehensive discussion of the synthesis of hollow structural materials for SIB anodes, which could be potentially of use to research areas involving hollow materials design for batteries.
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Affiliation(s)
- Chu Qin
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, Zhejiang, P. R. China
| | - Zhong-Jie Jiang
- Guangdong Engineering and Technology Research Center for Surface Chemistry of Energy Materials & Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, New Energy Research Institute, College of Environment and Energy, South China University of Technology, Guangzhou, 510006, Guangdong, P. R. China
| | - Thandavarayan Maiyalagan
- Electrochemical Energy Laboratory, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, 603203, Tamilnadu, India
| | - Zhongqing Jiang
- Key Laboratory of Optical Field Manipulation of Zhejiang Province, Department of Physics, Zhejiang Sci-Tech University, Hangzhou, 310018, Zhejiang, P. R. China
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Pan Y, Gao J, Li Y, Lv E, Khan U, Yang X, Yao J, Nairan A, Zhang Q. Constructing Nitrogen-Doped Carbon Hierarchy Structure Derived from Metal-Organic Framework as High-Performance ORR Cathode Material for Zn-Air Battery. Small 2024; 20:e2304594. [PMID: 37691089 DOI: 10.1002/smll.202304594] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/30/2023] [Indexed: 09/12/2023]
Abstract
The development of efficient and low-cost catalysts for cathodic oxygen reduction reaction (ORR) in Zn-air battery (ZAB) is a key factor in reducing costs and achieving industrialization. Here, a novel segregated CoNiPt alloy embedded in N-doped porous carbon with a nanoflowers (NFs)-like hierarchy structure is synthesized through pyrolyzing Hofmann-type metal-organic frameworks (MOFs). The unique hierarchical NFs structure exposes more active sites and facilitates the transportation of reaction intermediates, thus accelerating the reaction kinetics. Impressively, the resulting 15% CoNiPt@C NFs catalyst exhibits outstanding alkaline ORR activity with a half-wave potential of 0.93 V, and its mass activity is 7.5 times higher than that of commercial Pt/C catalyst, surpassing state-of-the-art noble metal-based catalysts. Furthermore, the assembled CoNiPt@C+RuO2 ZAB demonstrates a maximum power density of 172 mW cm-2 , which is superior to that of commercial Pt/C+RuO2 ZAB. Experimental results reveal that the intrinsic ORR mass activity is attributed to the synergistic interaction between oxygen defects and pyrrolic/graphitic N species, which optimizes the adsorption energy of the intermediate species in the ORR process and greatly enhances catalytic activity. This work provides a practical and feasible strategy for synthesizing cost-effective alkaline ORR catalysts by optimizing the electronic structure of MOF-derived catalysts.
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Affiliation(s)
- Yangdan Pan
- School of Materials Science and Engineering, Institute of Functional Porous Materials, The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, Zhejiang Sci-Tech University, 310018, Hangzhou, China
| | - Junkuo Gao
- School of Materials Science and Engineering, Institute of Functional Porous Materials, The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, Zhejiang Sci-Tech University, 310018, Hangzhou, China
| | - Yuwen Li
- Department of Chemistry, Zhejiang University, 310018, Hangzhou, China
| | - Enjun Lv
- School of Materials Science and Engineering, Institute of Functional Porous Materials, The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, Zhejiang Sci-Tech University, 310018, Hangzhou, China
| | - Usman Khan
- School of Materials Science and Engineering, Institute of Functional Porous Materials, The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, Zhejiang Sci-Tech University, 310018, Hangzhou, China
| | - Xiaogang Yang
- School of Materials Science and Engineering, Institute of Functional Porous Materials, The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, Zhejiang Sci-Tech University, 310018, Hangzhou, China
| | - Juming Yao
- School of Materials Science and Engineering, Institute of Functional Porous Materials, The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, Zhejiang Sci-Tech University, 310018, Hangzhou, China
| | - Adeela Nairan
- School of Materials Science and Engineering, Institute of Functional Porous Materials, The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, Zhejiang Sci-Tech University, 310018, Hangzhou, China
| | - Qichun Zhang
- Department of Materials Science and Engineering, Department of Chemistry & Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 999077, Hong Kong, China
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Shen K, Lu X, Shen S, Xu P, Zeng Y, Li L, Cai Y, Jia W, Wang H. Effect of Cobalt on Lifetime of Sb 4 O 5 Cl 2 -Graphene Anode in Chloride-Ion Batteries. ChemSusChem 2023:e202301392. [PMID: 38126942 DOI: 10.1002/cssc.202301392] [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: 10/05/2023] [Revised: 12/15/2023] [Accepted: 12/21/2023] [Indexed: 12/23/2023]
Abstract
Anode materials based on metal oxychlorides hold promise in addressing electrode dissolution challenges in aqueous-based chloride ion batteries (CIBs). However, their structural instability following chloride ion deintercalation can lead to rapid degradation and capacity fading. This paper investigates a cobalt-doped Sb4 O5 Cl2 -graphene (Co-Sb4 O5 Cl2 @GO) composite anode for aqueous-based CIBs. It exhibits significantly enhanced discharge capacity of 82.3 mAh g-1 after 200 cycles at 0.3 A g-1 ; while, the undoped comparison is only 23.5 mAh g-1 in the same condition. It also demonstrated with a long-term capacity retention of 72.8 % after 1000 cycles (65.5 mAh g-1 ) and a favorable rate performance of 25 mAh g-1 at a high current density of 2 A g-1 . Undertaken comprehensive studies via in-situ experiments and DFT calculations, the cobalt (Co) dopant is demonstrated as the crucial role to enhance the lifetime of Sb4 O5 Cl2 -based anodes. It is found that, the Co dopant improves electronic conductivity and the diffusion of chloride ions beside increases the structural stability of Sb4 O5 Cl2 crystal. Thus, this element doping strategy holds promise for advancing the field of Sb4 O5 Cl2 -based anodes for aqueous-based CIBs, and insights gain from this study also offer valuable knowledge to develop high-performance electrode materials for electrochemical deionization.
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Affiliation(s)
- Kefan Shen
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Xiaoxiao Lu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Shenghui Shen
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Panpan Xu
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yunhui Zeng
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Luying Li
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Yurong Cai
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Wenbo Jia
- Daoming Optics & Chemical Co. LTD, Jinhua, 321300, China
| | - Hong Wang
- Daoming Optics & Chemical Co. LTD, Jinhua, 321300, China
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Xu J, Guo X, Guo H, Zhang Y, Wang X. Exploring the Molecular Origin for the Long-Range Propagation of the Substrate Effect in Unentangled Poly(methyl methacrylate) Films. Polymers (Basel) 2023; 15:4655. [PMID: 38139907 PMCID: PMC10748294 DOI: 10.3390/polym15244655] [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: 11/22/2023] [Revised: 12/05/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
The polymer/substrate interface plays a significant role in the dynamics of nanoconfined polymers because of its suppression on polymer mobility and its long-range propagation feature, while the molecular origin of the long-range substrate effect in unentangled polymer material is still ambiguous. Herein, we investigated the propagation distances of the substrate effect (h*) by a fluorinated tracer-labeled method of two unentangled polymer films supported on silicon substrates: linear and ring poly(methyl methacrylate) films with relatively low molecular weights. The results indicate that the value of h* has a molecular weight dependence of h*∝N (N is the degree of polymerization) in the unentangled polymer films, while h*∝N1/2 was presented as previously reported in the entangled films. A theoretical model, depending on the polymer/polymer intermolecular interaction, was proposed to describe the above long-range propagation behavior of the substrate effect and agrees with our experiment results very well. From the model, it revealed that the intermolecular friction determines the long-range propagation of the substrate effect in the unentangled system, but the intermolecular entanglement is the dominant role in entangled system. These results give us a deeper understanding of the long-range substrate effect.
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Affiliation(s)
- Jianquan Xu
- Institute for School of Chemistry and Chemical Engineering, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China; (X.G.); (H.G.); (Y.Z.)
| | | | | | | | - Xinping Wang
- Institute for School of Chemistry and Chemical Engineering, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China; (X.G.); (H.G.); (Y.Z.)
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11
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Li D, Xu S, Jin H, Wang J, Yan F. Copper Nanoparticles Confined in a Silica Nanochannel Film for the Electrochemical Detection of Nitrate Ions in Water Samples. Molecules 2023; 28:7515. [PMID: 38005239 PMCID: PMC10673492 DOI: 10.3390/molecules28227515] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [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: 10/09/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
The nitrate ion (NO3-) is a typical pollutant in environmental samples, posing a threat to the aquatic ecosystem and human health. Therefore, rapid and accurate detection of NO3- is crucial for both the aquatic sciences and government regulations. Here we report the fabrication of an amino-functionalized, vertically ordered mesoporous silica film (NH2-VMSF) confining localized copper nanoparticles (CuNPs) for the electrochemical detection of NO3-. NH2-VMSF-carrying amino groups possess an ordered perpendicular nanochannel structure and ultrasmall nanopores, enabling the confined growth of CuNPs through the electrodeposition method. The resulting CuNPs/NH2-VMSF-modified indium tin oxide (ITO) electrode (CuNPs/NH2-VMSF/ITO) combines the electrocatalytic reduction ability of CuNPs and the electrostatic attraction capacity of NH2-VMSF towards NO3-. Thus, it is a rapid and sensitive electrochemical method for the determination of NO3- with a wide linear detection range of 5.0-1000 μM and a low detection limit of 2.3 μM. Direct electrochemical detection of NO3- in water samples (tap water, lake water, seawater, and rainwater) with acceptable recoveries ranging from 97.8% to 109% was performed, demonstrating that the proposed CuNPs/NH2-VMSF/ITO sensor has excellent reproducibility, regeneration, and anti-interference abilities.
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Affiliation(s)
- Dewang Li
- Donghai Laboratory, Zhoushan 316021, China; (D.L.); (H.J.)
- Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
| | - Shuai Xu
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China;
| | - Haiyan Jin
- Donghai Laboratory, Zhoushan 316021, China; (D.L.); (H.J.)
- Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
| | - Jinqing Wang
- College of Metrology and Measurement Engineering, China Jiliang University, Hangzhou 310018, China;
| | - Fei Yan
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China;
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12
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Zeng F, Zheng Y, Wei Y, Li H, Wang Q, Shi J, Wang Y, Hong X. Multifunctional Silver Nanowire Fabric Reinforced by Hot Pressing for Electromagnetic Interference Shielding, Electric Heating, and Sensing. Polymers (Basel) 2023; 15:4258. [PMID: 37959938 PMCID: PMC10650845 DOI: 10.3390/polym15214258] [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: 10/10/2023] [Revised: 10/24/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023] Open
Abstract
Durability and multifunctionality are crucial considerations in the realm of electronic textiles. Herein, a hot-pressing process has been developed to enhance the fixation of silver nanowires (AgNWs) on polyethylene terephthalate (PET) fabric. The conductivity, electromagnetic shielding, and electric heating properties of the hot-pressed fabric were measured to demonstrate the effectiveness of the hot-pressing process. The conductivity of the hot-pressed fabric (180 °C for 90 s) was found to be 464.2 S/m, while that of the fabric without hot pressing was 94.9 S/m. The washed hot-pressed fabric was able to provide a maximum electromagnetic shielding of 17 dB, a negative strain sensing performance (the ΔR/R0 of the hot-pressed fabric was maintained at -15%), and an outstanding electric heating property (the temperature reached 110 °C at a current of 0.08 A). This AgNW fabric holds great potential for use in multi-functional wearable devices, and the hot-pressing process improved its stability and durability, making it suitable for industrial production.
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Affiliation(s)
- Fangmeng Zeng
- International Silk Institute, Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, College of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China; (F.Z.); (Y.Z.); (Y.W.); (H.L.); (Q.W.)
| | - Yiqian Zheng
- International Silk Institute, Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, College of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China; (F.Z.); (Y.Z.); (Y.W.); (H.L.); (Q.W.)
| | - Yuxin Wei
- International Silk Institute, Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, College of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China; (F.Z.); (Y.Z.); (Y.W.); (H.L.); (Q.W.)
| | - Han Li
- International Silk Institute, Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, College of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China; (F.Z.); (Y.Z.); (Y.W.); (H.L.); (Q.W.)
| | - Qicai Wang
- International Silk Institute, Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, College of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China; (F.Z.); (Y.Z.); (Y.W.); (H.L.); (Q.W.)
| | - Jian Shi
- Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang 441053, China
- Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
| | - Yong Wang
- International Silk Institute, Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, College of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China; (F.Z.); (Y.Z.); (Y.W.); (H.L.); (Q.W.)
- School of Textile and Garment, Anhui Polytechnic University, Wuhu 241000, China
| | - Xinghua Hong
- International Silk Institute, Key Laboratory of Intelligent Textile and Flexible Interconnection of Zhejiang Province, College of Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China; (F.Z.); (Y.Z.); (Y.W.); (H.L.); (Q.W.)
- Department of Materials Science and Engineering, National University of Singapore, Singapore 117575, Singapore
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13
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Dong H, Han RZ, Zhang Y, Xamxidin M, Zhou P, Sun C, Qu W, Xu L. Parerythrobacter aestuarii sp. nov., Isolated from Seawater in the Tidal Region of Taizhou. Curr Microbiol 2023; 80:369. [PMID: 37838639 DOI: 10.1007/s00284-023-03483-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/08/2023] [Indexed: 10/16/2023]
Abstract
A yellow, Gram-stain-negative, aerobic, and rod-shaped strain, designated as C18T, was isolated from seawater in the tidal region of Taizhou. Growth of strain C18T occurs at 20-45 °C, at pH 5.5-8.0 and with 1.0-8.0% (w/v) NaCl. The 16S rRNA gene sequence analysis showed that strain C18T shared sequence identities with the genera Erythrobacter (< 98.4%), Qipengyuania (< 98.0%), Altererythrobacter (< 96.4%), Parerythrobacter (< 96.2%), Aurantiacibacter (< 96.2%), Tsuneonella (< 96.0%), Pelagerythrobacter (< 96.0%), Alteriqipengyuania (< 95.9%), and Parapontixanthobacter (< 95.7%) type strains. While the phylogenomic tree based on single-copy orthologous clusters revealed that strain C18T was stably clustered into the genus Parerythrobacter. Average nucleotide identity and digital DNA-DNA hybridization values of strain C18T and Parerythrobacter type strains were 73.5-75.2% and 18.5-19.4%, respectively, which were lower than the species delineation thresholds. The sole respiratory quinones were identified as ubiquinone-10. The major fatty acids (> 10%) were C17:1ω6c and summed feature 8 (C18:1ω7c and/or C18:1ω6c). Polar lipids included diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, sphingoglycolipid, an unidentified phospholipid, and an unidentified aminophospholipid. Based on the genetic, chemotaxonomic and phenotypic results, strain C18T is concluded to represent a novel species in the genus Parerythrobacter, for which the name Parerythrobacter aestuarii sp. nov. is proposed. The type strain is C18T (= KCTC 82594T = MCCC 1K05109T).
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Affiliation(s)
- Han Dong
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
| | - Ren-Zhuang Han
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
| | - Yu Zhang
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Shaoxing Biomedical Research Institute of Zhejiang Sci-Tech University Co., Ltd, Zhejiang Engineering Research Center for the Development Technology of Medicinal and Edible Homologous Health Food, Shaoxing, 312075, People's Republic of China
| | - Maripat Xamxidin
- College of Life Sciences, Zhejiang University, Hangzhou, 310058, People's Republic of China
| | - Peng Zhou
- Key Laboratory of Marine Ecosystem Dynamics, Ministry of Natural Resources & Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, 310012, People's Republic of China
| | - Cong Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Shaoxing Biomedical Research Institute of Zhejiang Sci-Tech University Co., Ltd, Zhejiang Engineering Research Center for the Development Technology of Medicinal and Edible Homologous Health Food, Shaoxing, 312075, People's Republic of China
| | - Wu Qu
- Zhejiang Ocean University, Marine Science and Technology College, Zhoushan, 316000, People's Republic of China.
| | - Lin Xu
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China.
- Zhejiang Key Laboratory of Silkworm Bioreactor and Biomedicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China.
- Shaoxing Biomedical Research Institute of Zhejiang Sci-Tech University Co., Ltd, Zhejiang Engineering Research Center for the Development Technology of Medicinal and Edible Homologous Health Food, Shaoxing, 312075, People's Republic of China.
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14
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Cai Y, Gao J, Li JH, Liu P, Zheng Y, Zhou W, Wu H, Li L, Lin RB, Chen B. Pore Modulation of Hydrogen-Bonded Organic Frameworks for Efficient Separation of Propylene. Angew Chem Int Ed Engl 2023; 62:e202308579. [PMID: 37486880 DOI: 10.1002/anie.202308579] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 06/17/2023] [Revised: 07/22/2023] [Accepted: 07/24/2023] [Indexed: 07/26/2023]
Abstract
Developing hydrogen-bonded organic frameworks (HOFs) that combine functional sites, size control, and storage capability for targeting gas molecule capture is a novel and challenging venture. However, there is a lack of effective strategies to tune the hydrogen-bonded network to achieve high-performance HOFs. Here, a series of HOFs termed as HOF-ZSTU-M (M=1, 2, and 3) with different pore structures are obtained by introducing structure-directing agents (SDAs) into the hydrogen-bonding network of tetrakis (4-carboxyphenyl) porphyrin (TCPP). These HOFs have distinct space configurations with pore channels ranging from discrete to continuous multi-dimensional. Single-crystal X-ray diffraction (SCXRD) analysis reveals a rare diversity of hydrogen-bonding models dominated by SDAs. HOF-ZSTU-2, which forms a strong layered hydrogen-bonding network with ammonium (NH4 + ) through multiple carboxyl groups, has a suitable 1D "pearl-chain" channel for the selective capture of propylene (C3 H6 ). At 298 K and 1 bar, the C3 H6 storage density of HOF-ZSTU-2 reaches 0.6 kg L-1 , representing one of the best C3 H6 storage materials, while offering a propylene/propane (C3 H6 /C3 H8 ) selectivity of 12.2. Theoretical calculations and in situ SCXRD provide a detailed analysis of the binding strength of C3 H6 at different locations in the pearl-chain channel. Dynamic breakthrough tests confirm that HOF-ZSTU-2 can effectively separate C3 H6 from multi-mixtures.
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Affiliation(s)
- Youlie Cai
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Junkuo Gao
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Jing-Hong Li
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Puxu Liu
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Yanchun Zheng
- School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Wei Zhou
- NST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899-6102, USA
| | - Hui Wu
- NST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD 20899-6102, USA
| | - Libo Li
- College of Chemical Engineering and Technology, Taiyuan University of Technology, Taiyuan, 030024, China
| | - Rui-Biao Lin
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, IGCME, Sun Yat-Sen University, Guangzhou, 510275, China
| | - Banglin Chen
- Fujian Provincial Key Laboratory of Polymer Materials, College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, 350007, China
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15
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Zhang C, Zhou X, Yan F, Lin J. N-Doped Graphene Quantum Dots Confined within Silica Nanochannels for Enhanced Electrochemical Detection of Doxorubicin. Molecules 2023; 28:6443. [PMID: 37764222 PMCID: PMC10536127 DOI: 10.3390/molecules28186443] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/29/2023] [Accepted: 09/01/2023] [Indexed: 09/29/2023] Open
Abstract
Herein, we describe a fast and highly sensitive electrochemical sensor for doxorubicin (DOX) detection based on the indium tin oxide (ITO) modified with a binary material consisting of vertically-ordered mesoporous silica films (VMSFs) and N-doped graphene quantum dots (NGQDs). VMSFs, with high permeability and efficient molecular transport capacity, is attached to the ITO electrode via a rapid and controllable electrochemical method, which can serve as a solid template for the confinement of numerous NGQDs through facile electrophoresis. By virtue of the excellent charge transfer capacity, π-π and electrostatic preconcentration effects of NGQDs, as well as the electrostatic enrichment ability of VMSF, the presented NGQDs@VMSF/ITO shows amplified electrochemical signal towards DOX with a positive charge, resulting in good analytical performance in terms of a wide linear range (5 nM~0.1 μM and 0.1~1 μM), high sensitivity (30.4 μA μM-1), and a low limit of detection (0.5 nM). Moreover, due to the molecular sieving property of VMSF, the developed NGQDs@VMSF/ITO sensor has good selectivity and works well in human serum and urine samples, with recoveries of 97.0~109%, thus providing a simple and reliable method for the direct electrochemical analysis of DOX without complex sample pretreatment procedures.
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Affiliation(s)
- Chaoyan Zhang
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China; (C.Z.); (X.Z.)
| | - Xiaoyu Zhou
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China; (C.Z.); (X.Z.)
| | - Fei Yan
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China; (C.Z.); (X.Z.)
| | - Jing Lin
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning 530200, China
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16
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Zhang T, Xu S, Lin X, Liu J, Wang K. Label-Free Electrochemical Aptasensor Based on the Vertically-Aligned Mesoporous Silica Films for Determination of Aflatoxin B1. Biosensors (Basel) 2023; 13:661. [PMID: 37367026 DOI: 10.3390/bios13060661] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/04/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023]
Abstract
Herein we report a highly specific electrochemical aptasenseor for AFB1 determination based on AFB1-controlled diffusion of redox probe (Ru(NH3)63+) through nanochannels of AFB1-specific aptamer functionalized VMSF. A high density of silanol groups on the inner surface confers VMSF with cationic permselectivity, enabling electrostatic preconcentration of Ru(NH3)63+ and producing amplified electrochemical signals. Upon the addition of AFB1, the specific interaction between the aptamer and AFB1 occurs and generates steric hindrance effect on the access of Ru(NH3)63+, finally resulting in the reduced electrochemical responses and allowing the quantitative determination of AFB1. The proposed electrochemical aptasensor shows excellent detection performance in the range of 3 pg/mL to 3 μg/mL with a low detection limit of 2.3 pg/mL for AFB1 detection. Practical analysis of AFB1 in peanut and corn samples is also accomplished with satisfactory results by our fabricated electrochemical aptasensor.
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Affiliation(s)
- Tongtong Zhang
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Shuai Xu
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xingyu Lin
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Jiyang Liu
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Kai Wang
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
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17
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Zhang T, Yang L, Yan F, Wang K. Vertically-Ordered Mesoporous Silica Film Based Electrochemical Aptasensor for Highly Sensitive Detection of Alpha-Fetoprotein in Human Serum. Biosensors (Basel) 2023; 13:628. [PMID: 37366993 DOI: 10.3390/bios13060628] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/24/2023] [Accepted: 05/26/2023] [Indexed: 06/28/2023]
Abstract
Convenient and rapid detection of alpha fetoprotein (AFP) is vital for early diagnosis of hepatocellular carcinoma. In this work, low-cost (0.22 USD for single sensor) and stable (during 6 days) electrochemical aptasensor was developed for highly sensitive and direct detection of AFP in human serum with the assist of vertically-ordered mesoporous silica films (VMSF). VMSF has silanol groups on the surface and regularly ordered nanopores, which could provide binding sites for further functionalization of recognition aptamer and also confer the sensor with excellent anti-biofouling capacity. The sensing mechanism relies on the target AFP-controlled diffusion of Fe(CN)63-/4- redox electrochemical probe through the nanochannels of VMSF. The resulting reduced electrochemical responses are related to the AFP concentration, allowing the linear determination of AFP with a wide dynamic linear range and a low limit of detection. Accuracy and potential of the developed aptasensor were also demonstrated in human serum by standard addition method.
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Affiliation(s)
- Tongtong Zhang
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Luoxiang Yang
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Fei Yan
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Kai Wang
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
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18
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Gao JW, He DY, Zhang WW, Wang YR, Su Y, Ying JJ, Wu ZC, Qu W, Xu L, Sun C. Aestuariibaculum lutulentum sp. nov., a marine bacterium isolated from coastal sediment in Beihai. Arch Microbiol 2023; 205:187. [PMID: 37043022 DOI: 10.1007/s00203-023-03535-7] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 04/01/2023] [Indexed: 04/13/2023]
Abstract
A Gram-stain negative, strictly aerobic, and rod-shaped bacterium, designated as strain L182T, was isolated from coastal sediment in Beihai, Guangxi Province, PR China. Colonies of strain L182T were yellow, 2 mm in diameter, round, opaque, smooth and convex after incubation on marine ager at 30 °C for 3 days. Cells were catalase-positive but oxidase-negative. Growth of strain L182T was observed at 4-40 °C (optimum, 25 °C), pH 5.5-10.0 (optimum, pH 5.5-8.0) and with 0-6% (w/v) NaCl (optimum, 0.5-4.0%). The G + C content based on the genome sequence was 36.0%. The only respiratory quinone was MK-6. The main polar lipids included phosphatidylethanolamine, phosphatidylglycerol, one unidentified aminophospholipid, one unidentified glycolipids, four unidentified aminolipids and six unidentified lipids. The major fatty acids (> 10%) were iso-C15:0, iso-C15:1 G and iso-C17:0 3-OH. The 16S rRNA gene sequence similarity between strain L182T and Aestuariibaculum suncheonense SC17T was 98.2%, and the similarities with other type strains of the genus Aestuariibaculum were 96.1-97.2%. The average nucleotide identity and in silicon DNA-DNA hybridization values between the strain L182T and its closely related Aestuariibaculum species were 80.8-85.2% and 22.0-29.5%. According to the above results, Aestuariibaculum lutulentum sp. nov. was proposed as a novel species. The type strain is L182T (= MCCC 1K08065T = KCTC 92530T).
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Affiliation(s)
- Jia-Wei Gao
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China
| | - Dong-Yan He
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
| | - Wen-Wu Zhang
- Trend Biotech Co., Ltd., Hangzhou, 311121, People's Republic of China
| | - Yu-Ruo Wang
- Zhejiang Development and Planning Institute, Hangzhou, 310012, People's Republic of China
| | - Yue Su
- Trend Biotech Co., Ltd., Hangzhou, 311121, People's Republic of China
| | - Jun-Jie Ying
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China
| | - Zhi-Cheng Wu
- Key Laboratory of Marine Ecosystem Dynamics, Ministry of Natural Resources and Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, 310012, People's Republic of China
| | - Wu Qu
- Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, 316000, People's Republic of China
| | - Lin Xu
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China
| | - Cong Sun
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China.
- Zhejiang Sci-Tech University Shaoxing Academy of Biomedicine Co., Ltd., Shaoxing, 312369, People's Republic of China.
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Wang X, Wu P. Nonlinear Dynamic Process Monitoring Based on Ensemble Kernel Canonical Variate Analysis and Bayesian Inference. ACS Omega 2022; 7:18904-18921. [PMID: 35694473 PMCID: PMC9178625 DOI: 10.1021/acsomega.2c01892] [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: 03/28/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
By considering autocorrelation among process data, canonical variate analysis (CVA) can noticeably enhance fault detection performance. To monitor nonlinear dynamic processes, a kernel CVA (KCVA) model was developed by performing CVA in the kernel space generated by kernel principal component analysis (KPCA). The Gaussian kernel is widely adopted in KPCA for nonlinear process monitoring. In Gaussian kernel-based process monitoring, a single learner is represented by a certain selected kernel bandwidth. However, the selection of kernel bandwidth plays a pivotal role in the performance of process monitoring. Usually, the kernel bandwidth is determined manually. In this paper, a novel ensemble kernel canonical variate analysis (EKCVA) method is developed by integrating ensemble learning and kernel canonical variate analysis. Compared to a single learner, the ensemble learning method usually achieves greatly superior generalization performance through the combination of multiple base learners. Inspired by the ensemble learning method, KCVA models are established by using different kernel bandwidths. Further, two widely used T 2 and Q monitoring statistics are constructed for each model. To improve process monitoring performance, these statistics are combined through Bayesian inference. A numerical example and two industrial benchmarks, the continuous stirred-tank reactor process and the Tennessee Eastman process, are carried out to demonstrate the superiority of the proposed method.
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Gao J, Qian X, Lin RB, Krishna R, Wu H, Zhou W, Chen B. Mixed Metal-Organic Framework with Multiple Binding Sites for Efficient C 2 H 2 /CO 2 Separation. Angew Chem Int Ed Engl 2020; 59:4396-4400. [PMID: 31944515 PMCID: PMC7935436 DOI: 10.1002/anie.202000323] [Citation(s) in RCA: 200] [Impact Index Per Article: 50.0] [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: 01/07/2020] [Indexed: 12/22/2022]
Abstract
The separation of C2 H2 /CO2 is particularly challenging owing to their similarities in physical properties and molecular sizes. Reported here is a mixed metal-organic framework (M'MOF), [Fe(pyz)Ni(CN)4 ] (FeNi-M'MOF, pyz=pyrazine), with multiple functional sites and compact one-dimensional channels of about 4.0 Å for C2 H2 /CO2 separation. This MOF shows not only a remarkable volumetric C2 H2 uptake of 133 cm3 cm-3 , but also an excellent C2 H2 /CO2 selectivity of 24 under ambient conditions, resulting in the second highest C2 H2 -capture amount of 4.54 mol L-1 , thus outperforming most previous benchmark materials. The separation performance of this material is driven by π-π stacking and multiple intermolecular interactions between C2 H2 molecules and the binding sites of FeNi-M'MOF. This material can be facilely synthesized at room temperature and is water stable, highlighting FeNi-M'MOF as a promising material for C2 H2 /CO2 separation.
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Affiliation(s)
- Junkuo Gao
- Institute of Functional Porous Materials, The Key laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249-0698, USA
| | - Xuefeng Qian
- Institute of Functional Porous Materials, The Key laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education, School of Materials Science and Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, China
| | - Rui-Biao Lin
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249-0698, USA
| | - Rajamani Krishna
- Van't Hoff Institute of Molecular Sciences, University of Amsterdam, Science Park 904, 1098, XH, Amsterdam, The Netherlands
| | - Hui Wu
- NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, 20899-6102, USA
| | - Wei Zhou
- NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, 20899-6102, USA
| | - Banglin Chen
- Department of Chemistry, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249-0698, USA
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