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Zhao P, Pu F, Su C, Wan Y, Huang T, Hou X, Cai D. Towards valorization of rice straw into bioethanol and lignin: Emphasizing critical role of deep eutectic solvent components in biorefining process. Bioresour Technol 2024; 399:130635. [PMID: 38552860 DOI: 10.1016/j.biortech.2024.130635] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 03/18/2024] [Accepted: 03/23/2024] [Indexed: 04/01/2024]
Abstract
Deep eutectic solvents (DESs) offer a potential opportunity in biomass utilization industries. This work emphasized the impact of hydrogen bond donors (HBD) and acceptors (HBA) on deconstruction and valorization of rice straw. Acidity, alkyl chain length, hydrogen bonding ability and functional groups of HBD and HBA appeared to be important factors affecting the fractionated pulps and lignins, which further influenced ethanol fermentation. Among the candidate DESs, lactic acid/guanidine hydrochloride (LGH) was proved to be the most suitable one due to the excellent delignification and xylan removal. For the downstream fermentation process, 0.47 g g-1 of bioethanol with 0.55 g/L h-1 of productivity can be obtained from the LGH pulp's hydrolysate. Mass balance showed 302.8 g bioethanol and 119.0 g technical lignin can be co-generated from 1 kg dried rice straw. This "green" valorization strategy offers a promising scheme in biorefinery of lignocelluloses.
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Affiliation(s)
- Pengfei Zhao
- School of Biomedical and Pharmaceutical Science, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Fulong Pu
- School of Biomedical and Pharmaceutical Science, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Changsheng Su
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yefan Wan
- School of Biomedical and Pharmaceutical Science, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Texin Huang
- School of Biomedical and Pharmaceutical Science, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Xuedan Hou
- School of Biomedical and Pharmaceutical Science, Guangdong University of Technology, Guangzhou 510006, PR China.
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China.
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2
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Cai D, Wen J, Wu Y, Su C, Bi H, Wang Y, Jiang Y, Qin P, Tan T, Zhang C. Surfactant-assisted dilute ethylenediamine fractionation of corn stover for technical lignin valorization and biobutanol production. Bioresour Technol 2024; 394:130231. [PMID: 38142909 DOI: 10.1016/j.biortech.2023.130231] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/18/2023] [Accepted: 12/18/2023] [Indexed: 12/26/2023]
Abstract
In this study, a surfactant-assisted diluted ethylenediamine (EDA) fractionation process was investigated for co-generation of technical lignin and biobutanol from corn stover. The results showed that the addition of PEG 8000 significantly enhanced cellulose recovery (88.9 %) and lignin removal (68.9 %) in the solid fraction. Moreover, the pulp achieved 86.5 % glucose yield and 82.6 % xylose yield in enzymatic hydrolysis. Structural characterization confirmed that the fractionation process promoted the preservation of active β-O-4 bonds (35.8/100R) in isolated lignin and functionalized the lignin through structural modification using EDA and surfactant grafting. The enzymatic hydrolysate of the pulps yielded a sugar solution for acetone-butanol-ethanol (ABE) fermentation, resulting in an ABE concentration of 15.4 g/L and an overall yield of 137.2 g/Kg of dried corn stalk. Thus, the surfactant-assisted diluted EDA fractionation has the potential to enhance the overall economic feasibility of second-generation biofuels production within the framework of biorefinery.
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Affiliation(s)
- Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Jieyi Wen
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yilu Wu
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Changsheng Su
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Haoran Bi
- Collage of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yankun Wang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Yongjie Jiang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Peiyong Qin
- Collage of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Tianwei Tan
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China; Collage of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Changwei Zhang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China; Collage of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China.
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Wu Y, Cai D, Fan J, Meng C, He S, Li Z, Zhang L, Yang K, Wang A, Li X, Du Y, Xiong S, Xia M, Li T, Dong L, Gong Y, Zhou L, Li X. An accurate diagnostic approach for urothelial carcinomas based on novel dual methylated DNA markers in small-volume urine. Chin Med J (Engl) 2024; 137:232-234. [PMID: 37455255 PMCID: PMC10798740 DOI: 10.1097/cm9.0000000000002783] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Indexed: 07/18/2023] Open
Affiliation(s)
- Yucai Wu
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Di Cai
- Wuhan Ammunition Life-tech Company, Ltd., Wuhan, Hubei 430200, China
| | - Jian Fan
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Chang Meng
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Shiming He
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Zhihua Li
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Lianghao Zhang
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Kunlin Yang
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Aixiang Wang
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Xinfei Li
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Yicong Du
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Shengwei Xiong
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Mancheng Xia
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Tingting Li
- Wuhan Ammunition Life-tech Company, Ltd., Wuhan, Hubei 430200, China
| | - Lanlan Dong
- Wuhan Ammunition Life-tech Company, Ltd., Wuhan, Hubei 430200, China
| | - Yanqing Gong
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Liqun Zhou
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
| | - Xuesong Li
- Department of Urology, Peking University First Hospital, Beijing 100034, China
- Institute of Urology, Peking University, Beijing 100034, China
- National Urological Cancer Center, Beijing 100034, China
- Urogenital Diseases (Male) Molecular Diagnosis and Treatment Center, Peking University, Beijing 100034, China
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Wu Y, Su C, Liao Z, Zhang G, Jiang Y, Wang Y, Zhang C, Cai D, Qin P, Tan T. Sequential catalytic lignin valorization and bioethanol production: an integrated biorefinery strategy. Biotechnol Biofuels Bioprod 2024; 17:8. [PMID: 38245804 PMCID: PMC10800047 DOI: 10.1186/s13068-024-02459-8] [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: 09/30/2023] [Accepted: 01/06/2024] [Indexed: 01/22/2024]
Abstract
BACKGROUND The effective valorization of lignin and carbohydrates in lignocellulose matrix under the concept of biorefinery is a primary strategy to produce sustainable chemicals and fuels. Based on the reductive catalytic fractionation (RCF), lignin in lignocelluloses can be depolymerized into viscous oils, while the highly delignified pulps with high polysaccharides retention can be transformed into various chemicals. RESULTS A biorefinery paradigm for sequentially valorization of the main components in poplar sawdust was constructed. In this process, the well-defined low-molecular-weight phenols and bioethanol were co-generated by tandem chemo-catalysis in the RCF stage and bio-catalysis in fermentation stage. In the RCF stage, hydrogen transfer reactions were conducted in one-pot process using Raney Ni as catalyst, while the isopropanol (2-PrOH) in the initial liquor was served as a hydrogen donor and the solvent for lignin dissolution. Results indicated the proportion of the 2-PrOH in the initial liquor of RCF influenced the chemical constitution and yield of the lignin oil, which also affected the characteristics of the pulps and the following bioethanol production. A 67.48 ± 0.44% delignification with 20.65 ± 0.31% of monolignols yield were realized when the 2-PrOH:H2O ratio in initial liquor was 7:3 (6.67 wt% of the catalyst loading, 200 °C for 3 h). The RCF pulp had higher carbohydrates retention (57.96 ± 2.78 wt%), which was converted to 21.61 ± 0.62 g/L of bioethanol with a yield of 0.429 ± 0.010 g/g in fermentation using an engineered S. cerevisiae strain. Based on the mass balance analysis, 104.4 g of ethanol and 206.5 g of lignin oil can be produced from 1000 g of the raw poplar sawdust. CONCLUSIONS The main chemical components in poplar sawdust can be effectively transformed into lignin oil and bioethanol. The attractive results from the biorefinery process exhibit great promise for the production of valuable biofuels and chemicals from abundant lignocellulosic materials.
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Affiliation(s)
- Yilu Wu
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Changsheng Su
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Zicheng Liao
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Gege Zhang
- School of International Education, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Yongjie Jiang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Yankun Wang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Changwei Zhang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China.
| | - Peiyong Qin
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
| | - Tianwei Tan
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, People's Republic of China
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Iqbal S, Raja F, Cai D. A Rare Case of Embryonal Rhabdomyosarcoma of Pineal Gland in An Adult Male. Am J Clin Pathol 2023; 160:S8-S8. [DOI: https:/doi.org/10.1093/ajcp/aqad150.017] [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: 01/27/2024] Open
Abstract
Abstract
Introduction/Objective
Rhabdomyosarcoma (RMS), mesenchymal derived tumor, is predominantly diagnosed in the pediatric population but may present at any age. Less than 1% of all adult solid malignant cancers are sarcomas, and rhabdomyosarcoma comprises <0.001% of adult sarcomas. Primary intracranial RMS is rare and has been reported in the cerebrum, cerebellum, brainstem, and the meninges. The occurrence of a primary intracranial RMS arising from the pineal gland is exceedingly rare.
Methods/Case Report
An adult male presented to the ED with complaint of several months of headaches, progressive confusion, forgetfulness and most recently difficulty in finding words. CT scan showed a large mass arising from the pineal gland causing obstructive hydrocephalus. Subsequently, the patient underwent excisional biopsy. The histopathology examination revealed small round basophilic cells and large polygonal cells with large eccentric nuclei and prominent nucleoli, abundant eosinophilic cytoplasm containing globular paranuclear eosinophilic inclusions, characteristic of rhabdoid cells. Immunohistochemical (IHC) showed tumor cells are positive for Desmin, MyoD1, CK8/18, INI1 (hSNF5; SMARCB1) with retained nuclear expression and faint positivity for Synaptophysin and focally positivity for Neurofilament. The tumor cells showed negative staining for Pankeratin, SOX10, Oct4, SALL4, INSM1, LCA AND CD30, which excluded the possibility of Germ cell tumor and Pineoblastoma. The case was finalized as primary malignant neoplasm, consistent with Embryonal Rhabdomyosarcoma of pineal gland.
Results (if a Case Study enter NA)
NA
Conclusion
This case highlights the rare occurrence of rhabdomyosarcoma originating from the pineal gland in an adult male. Morphologic and immunohistochemical findings were consistent with embryonal rhabdomyosarcoma. Since primary rhabdomyosarcoma of the pineal gland is rare, this case contributes to the limited body of literature on such cases. It underscores the importance of considering unusual entities in intracranial tumors. The distinct morphology and the use of IHC aids in diagnosing this rare entity.
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Affiliation(s)
- S Iqbal
- pathology, metrohealth hospital , Cleveland, Ohio , UNITED STATES
| | - F Raja
- pathology, metrohealth hospital , Cleveland, Ohio , UNITED STATES
| | - D Cai
- pathology, metrohealth hospital , Cleveland, Ohio , UNITED STATES
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Deng H, Guan Y, Zhou X, Li Y, Cai D, Li N, Liu B. The "double-edged sword" effects of career support mentoring on newcomer turnover: How and when it helps or hurts. J Appl Psychol 2023:2024-16013-001. [PMID: 37824272 DOI: 10.1037/apl0001143] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023] Open
Abstract
Research on mentoring programs has portrayed them almost exclusively beneficial for newcomer retention. Drawing from the social cognitive model of career management and the boundaryless career perspective, we depart from this predominant view and examine the "double-edged sword" effects of career support mentoring on newcomer turnover. We propose that career support mentoring received by newcomers is likely to elicit both internal proactive socialization and external career self-management, which act as countervailing forces driving newcomer turnover in opposite directions (i.e., the retention pathway and the unintended detrimental pathway). We further propose that the organizational role of the mentor-supervisor versus nonsupervisor-is critical in determining which pathway prevails. We conducted two multiwave newcomer studies to test our hypotheses. In Study 1 (N = 495), we found that received career support mentoring was associated with lower newcomer turnover probability through the serial mediation of internal proactive socialization and perceived internal marketability but higher newcomer turnover probability through the serial mediation of external career self-management and perceived external marketability. In Study 2 (N = 193), we found that received career support mentoring was associated with lower newcomer turnover intention through the serial mediation of internal career advancement expectation and internal proactive socialization but higher newcomer turnover intention through the serial mediation of external career advancement expectation and external career self-management. In both studies, the unintended detrimental pathway was significant only when a newcomer's mentor was not a supervisor. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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Affiliation(s)
- Hong Deng
- Department of Management and Marketing, Durham University Business School
| | - Yanjun Guan
- Department of International Business and Management, Nottingham University Business School
| | - Xinyi Zhou
- Department of Strategic Management and Organisations, International Business School Suzhou, Xi'an Jiaotong-Liverpool University
| | - Yixuan Li
- Department of Management, Warrington College of Business, University of Florida
| | - Di Cai
- Department of Leadership and Organization Management, School of Management, Shandong University
| | - Nan Li
- Department of Managerial and Social Psychology, School of Psychological and Cognitive Sciences, Peking University
| | - Bing Liu
- Department of Leadership and Organization Management, School of Management, Shandong University
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Lv X, Fan C, Han Y, Tang X, Zhang C, Cai D, Chen H. Expanded Vermiculite/D-Mannitol as Shape-Stable Phase Change Material for Medium Temperature Heat Storage. Materials (Basel) 2023; 16:6101. [PMID: 37763379 PMCID: PMC10533063 DOI: 10.3390/ma16186101] [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: 07/22/2023] [Revised: 08/23/2023] [Accepted: 08/30/2023] [Indexed: 09/29/2023]
Abstract
Aiming to promote the application of D-mannitol in the field of phase change thermal storage, obstacles, including low thermal storage efficiency and high supercooling, should be properly disposed of. The adoption of adaptable and low-cost supporting materials to make shape-stable phase change materials (ss-PCMs) affordable is a primary solution to solve the above shortcomings. In this study, high-performance ss-PCM for effective medium-temperature heat storage was prepared using expanded vermiculite as the support for D-mannitol preservation. Among the three candidates that treated the raw vermiculite by dilute acid, calcination, and microwave heating, the calcinated expanded vermiculite (CV) was characterized as the most suitable one. After impregnating D-mannitol into the CV carrier by vacuum, a melting enthalpy of 205.1 J/g and a crystallization enthalpy of 174.1 J/g were achieved by the as-received CV/D-mannitol ss-PCM. Additionally, the supercooling of the ss-PCM was reduced to 45.6 °C. The novel CV/D-mannitol ss-PCM also exhibited excellent reusability and stability. All the findings indicate that the abundant and inexpensive CV exhibited great potential as the supporting material for D-mannitol-based ss-PCMs, which allow effective waste heat recovery and temperature regulation.
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Affiliation(s)
- Xifeng Lv
- College of Chemistry and Chemical Engineering, Tarim University, Alar 843300, China; (X.L.); (C.F.)
| | - Chaoqun Fan
- College of Chemistry and Chemical Engineering, Tarim University, Alar 843300, China; (X.L.); (C.F.)
| | - Ying Han
- SINOPEC Research Institute of Petroleum Processing, Beijing 100083, China;
| | - Xiaojin Tang
- SINOPEC Research Institute of Petroleum Processing, Beijing 100083, China;
| | - Changwei Zhang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China; (C.Z.); (H.C.)
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China; (C.Z.); (H.C.)
| | - Huidong Chen
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China; (C.Z.); (H.C.)
- High-Tech Research Institute, Beijing University of Chemical Technology, Beijing 100029, China
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8
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Chen XX, Zeng MX, Cai D, Zhou HH, Wang YJ, Liu Z. Correlation between APOE4 gene and gut microbiota in Alzheimer's disease. Benef Microbes 2023; 14:349-360. [PMID: 38661357 DOI: 10.1163/18762891-20220116] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 06/07/2023] [Indexed: 04/26/2024]
Abstract
Gut microbiota (GM) dysbiosis has been increasingly associated with Alzheimer's disease (AD). However, the association between APOE4, the most common genetic risk factor for sporadic AD, and GM in AD remains unclear. In this study, we conducted a comparative analysis of the GM of participants from China and the USA, with and without APOE4 genes and with or without AD (67 AD cases, 67 control cases). Our results revealed that the GM alpha diversity was not different between groups (AD_APOE4, Control_APOE4, AD_non-APOE4, and Control_non-APOE4) (419.031 ± 143.631 vs 391.091 ± 126.081, 351.086 ± 169.174 and 386.089 ± 177.200, respectively. P > 0.05). Interestingly, individuals in the AD_APOE4 group had different bacterial compositions and bacterial biomarkers. The Kruskal-Wallis rank sum test indicated that the abundances of many bacterial species in the AD_APOE4 patients differed from those in control individuals, including decreases in unclassified_g__Escherichia-Shigella (1.763 ± 6.73, 4.429 ± 11.13, 8.245 ± 16.55, and 5.69 ± 13.91 in four groups, respectively; P < 0.05), and unclassified_g_Clostridium_sensu_stricto_1 (0.1519 ± 0.348, 2.502 ± 5.913, 0.5146 ± 0.9487, 1.063 ± 3.428 in four groups, respectively; P < 0.05), and increases in gut_metagenome_g_Faecalibacterium (2.885 ± 4.47, 2.174 ± 3.957, 0.5765 ± 1.784, 1.582 ± 2.92 in four groups, respectively. P < 0.01) and unclassified_g_Bacteroides (3.875 ± 3.738, 2.47 ± 2.748, 2.046 ± 3.674, 3.206 ± 3.446 in four groups, respectively; P < 0.05). In the KEGG pathway level 2 analysis, we identified three significant differences in relative abundances of predicted functions between AD_APOE4 and AD_non-APOE4_carrier groups: neurodegenerative diseases (0.0007 ± 0.0005 vs 0.0009 ± 0.0004; P < 0.01), metabolism (0.0240 ± 0.0003 vs 0.0250 ± 0.0003; P < 0.05), and biosynthesis of other secondary metabolites (0.0094 ± 0.0002 vs 0.0090 ± 0.0002; P < 0.05). Receiver operating characteristic curves further demonstrated an area under the curve (AUC) of 0.74 for the discrimination of AD_APOE4_carrier and AD_non-APOE4_carrier individuals.
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Affiliation(s)
- X-X Chen
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong Province, China P.R
| | - M-X Zeng
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong Province, China P.R
| | - D Cai
- Clinical Skills Training Center, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong Province, China P.R
| | - H-H Zhou
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong Province, China P.R
| | - Y-J Wang
- Department of Neurology, Daping Hospital, Third Military Medical University, Chongqing, China P.R
| | - Z Liu
- Department of Neurology, Guangdong Key Laboratory of Age-Related Cardiac and Cerebral Diseases, Institute of Neurology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong Province, China P.R
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9
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Cui H, Wu Z, Zhang L, Ma Q, Cai D, Zhang J, Hu D. Design, Synthesis, Antibacterial Activity, and Mechanism of Novel Mesoionic Compounds Based on Natural Pyrazole Isolated from an Endophytic Fungus Colletotrichum gloeosporioides. J Agric Food Chem 2023. [PMID: 37340708 DOI: 10.1021/acs.jafc.3c02908] [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: 06/22/2023]
Abstract
Xanthomonas oryzae pv. oryzicola (Xoo) is a type of bacteria that causes bacterial leaf blight disease in rice plants. This disease is substantially harmful, and the current prevention and control measures are facing challenges. This study has investigated the effectiveness of the control activity that the endophytic fungus NS7 fermented from Dendrobium candidum possessed against Xoo. Twenty-eight novel mesoionic compounds were designed and synthesized based on the natural compound D. These compounds displayed moderate to excellent anti-Xoo activity in vitro. Notably, compound 24 exhibited prominent anti-Xoo activity in vitro with an EC50 value of 40.3 mg/L, which was better than that of the positive control thiodiazole copper (TC)(71.2 mg/L) and the lead compound D (108.1 mg/L). In vivo pot experiments on Xoo showed that compound 24 exhibited protective and curative activities of 39.4 and 30.4%, respectively, which were better than those of TC (35.7 and 28.8%, respectively). Further, a preliminary mechanism study indicated that compound 24 could enhance the activity of defense enzymes to improve the ability for anti-Xoo. Meanwhile, compound 24 could also regulate the carbon fixation in photosynthetic organisms, which might be related to the enhanced immune function of rice. This study offers a new strategy for discovering antibacterial agents based on natural products.
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Affiliation(s)
- Honghao Cui
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
- Guizhou Institute of Soil and Fertilizer/Agricultural Resources and Environment, Guizhou Academy of Agricultural Sciences, Huaxi District, Guiyang 550025, P. R. China
| | - Zengxue Wu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Luoman Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Qingqing Ma
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Di Cai
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Jian Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Deyu Hu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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Cai D, Zhang J, Wu S, Zhang L, Ma Q, Wu Z, Song B, Song R. Design, Synthesis, and Insecticidal Activity of Mesoionic Pyrido[1,2- a]pyrimidinone Containing Isoxazole/Isoxazoline Moiety as a Potential Insecticide. J Agric Food Chem 2023. [PMID: 37218999 DOI: 10.1021/acs.jafc.3c01132] [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: 05/24/2023]
Abstract
Bean aphid (Aphis craccivora) resistance to commonly used insecticides has made controlling these pests increasingly difficult. In this study, we introduced isoxazole and isoxazoline, which possess insecticidal activity, into pyrido[1,2-a]pyrimidinone through a scaffold hopping strategy. We designed and synthesized a series of novel mesoionic compounds that exhibited a range of insecticidal activities against A. craccivora. The LC50 values of compounds E1 and E2 were 0.73 and 0.88 μg/mL, respectively, better than triflumezopyrim (LC50 = 2.43 μg/mL). Proteomics and molecular docking analyses showed that E1 might influence the A. craccivora nervous system by interacting with neuronal nicotinic acetylcholine receptors (nAChRs). This research offers a new approach to the advancement of novel mesoionic insecticides.
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Affiliation(s)
- Di Cai
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang, Guizhou 550025, China
| | - Jian Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang, Guizhou 550025, China
| | - Shang Wu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang, Guizhou 550025, China
| | - Luoman Zhang
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang, Guizhou 550025, China
| | - Qingqing Ma
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang, Guizhou 550025, China
| | - Zengxue Wu
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang, Guizhou 550025, China
| | - Baoan Song
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang, Guizhou 550025, China
| | - Runjiang Song
- National Key Laboratory of Green Pesticide, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang, Guizhou 550025, China
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11
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Li S, Su C, Fang M, Cai D, Deng L, Wang F, Liu J. Overproduction of palmitoleic acid from corn stover hydrolysate by engineered Saccharomyces cerevisiae. Bioresour Technol 2023; 382:129211. [PMID: 37217143 DOI: 10.1016/j.biortech.2023.129211] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/15/2023] [Accepted: 05/17/2023] [Indexed: 05/24/2023]
Abstract
Palmitoleic acid (POA) has been widely applied to nutrition and pharmaceutical industry. However, high cost of scale-up fermentation restricts the extensive application of POA. Hence, we investigated the availability of corn stover hydrolysate (CSH) as carbon source in POA production by engineered S. cerevisiae. Although the yeast growth was inhibited to some extent by CSH, the POA production with CSH was slightly higher than that with pure glucose. The C/N ratio of 120 and addition of 1 g/L lysine raised the POA titer up to 2.19 g/L and 2.05 g/L, respectively. Two-stage cultivation could increase the POA titer by upregulating the gene expression of key enzymes in fatty acid synthesis pathway. A high POA content of 57.5% (v/v) and a highest POA titer of 6.56 g/L were achieved under the optimized conditions. These findings provide a feasible approach for sustainable production of POA or its derivatives from CSH.
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Affiliation(s)
- Shaozheng Li
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Changsheng Su
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China; National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Mudannan Fang
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Di Cai
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China; National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Li Deng
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Fang Wang
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China; National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Junfeng Liu
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
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12
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Chen J, Wang M, Li S, Ye J, Li L, Wu Y, Cai D, Liu T, Zhu L, Shao Y, Wang S. Well-oriented immobilized immunoaffinity magnetic beads for detection of fumonisins in grains and feeds via pre-column automatic derivatization of high-performance liquid chromatography. Food Chem 2023; 422:136226. [PMID: 37126958 DOI: 10.1016/j.foodchem.2023.136226] [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: 12/20/2022] [Revised: 04/10/2023] [Accepted: 04/20/2023] [Indexed: 05/03/2023]
Abstract
In this study, based on the high-throughput automatic sample pretreatment with immunoaffinity magnetic beads with oriented immobilized antibodies, grain and feed fumonisin (FB) content was detected using pre-column automatic derivatization of high-performance liquid chromatography (HPLC). The FB capacity of well-oriented antibody immunoaffinity magnetic beads was 1.5-1.8 times that of magnetic beads with randomly fixed antibody. This pre-column automatic derivatization method using an autosampler can reduce error from manual injection and improve detection efficiency. The spiked recoveries for three different concentrations in maize, husked rice, and pig feed under optimized conditions were 84.6-104.0% (RSD < 9.3%). Our novel method was also applied to the analysis of FBs in 63 maize samples collected from the main maize-production regions in China. The results showed that as latitude increased, the contamination level of FBs tended to decrease. High temperature and high humidity are also more favorable for FB growth.
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Affiliation(s)
- Jinnan Chen
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China
| | - Meng Wang
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China; School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, PR China
| | - Sen Li
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China
| | - Jin Ye
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China.
| | - Li Li
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China
| | - Yu Wu
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China
| | - Di Cai
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China
| | - Tongtong Liu
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China
| | - Lin Zhu
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China
| | - Yi Shao
- NHC Key Laboratory of Food Safety Risk Assessment, China National Center for Food Safety Risk Assessment, Beijing 100021, PR China
| | - Songxue Wang
- Institute of Grain and Oil Quality Safety, Academy of National Food and Strategic Reserves Administration, Beijing 102629, PR China
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13
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Lv X, Cao H, Li G, Zhu M, Ji W, Wang K, Zhang C, Su C, Ren W, Cai D. Spent Yeast-Derived 3D Porous Carbon Skeleton as Low-Cost D-Mannitol Supporting Material for Medium Temperature Thermal Energy Storage. Materials (Basel) 2023; 16:2569. [PMID: 37048863 PMCID: PMC10095347 DOI: 10.3390/ma16072569] [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] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
Shape-stable phase change materials (ss-PCMs) are extensively applied in renewable energy storage. The core for realizing high latent heat and good thermal stability of ss-PCMs is the designation of suitable supporting skeletons that can effectively preserve the PCMs from leaking out. In this study, ss-PCMs impregnated by D-mannitol were prepared using a waste yeast-derived carbon (YC) as the support material. YC possesses a large surface area (669.90 m2/g), which can provide sufficient phase transition space and nucleation sites for D-mannitol. The results indicated that a reduced supercooling of 44.76 °C for YC/D-mannitol ss-PCMs can be realized. The ss-PCMs also exhibited good cycling stability, with latent heat loss rates of 4.00% and 2.15% after 200 thermal cycles. We further demonstrate that YC provides restricted space for mannitol to inhibit the supercooling mechanism. The YC/D-mannitol ss-PCMs exhibited great promise for solar heat storage and industrial waste heat recovery in the medium temperature domain.
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Affiliation(s)
- Xifeng Lv
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
- College of Chemistry and Chemical Engineering, Tarim University, Alar 843300, China
| | - Hui Cao
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Guohua Li
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Mengying Zhu
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Wei Ji
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Kai Wang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Changwei Zhang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Changsheng Su
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Wenqiang Ren
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
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14
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Zhan P, Liu X, Zhang S, Zhu Q, Zhao H, Ren C, Zhang J, Lu L, Cai D, Qin P. Electroenzymatic Reduction of Furfural to Furfuryl Alcohol by an Electron Mediator and Enzyme Orderly Assembled Biocathode. ACS Appl Mater Interfaces 2023; 15:12855-12863. [PMID: 36859767 DOI: 10.1021/acsami.3c00320] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The electroenzymatic valorization of biomass derivatives into valuable biochemicals has a promising outlook. However, bottlenecks including poor electron transfer between the electrode surface and oxidoreductase, inefficient regeneration of cofactors, and high cost of enzymes and electron mediators hindered the realistic applications of the technique. Herein, to address the above technical barriers, a novel bio-electrocatalytic system that integrates the electrochemical NADH regeneration and enzymatic reaction was constructed, using an orderly assembled composite bioelectrode consisting of an outer immobilized enzyme layer and a sandwiched redox mediator rhodium complex layer. The as-prepared composite bioelectrode was further applied for the highly selective hydrogenation of furfural into furfural alcohol. Results indicated that the enzyme activity was significantly improved, while the furfural valorization was promoted by effective interfacial electron transition and co-factor regeneration on the composite bioelectrode. Considerable high furfural conversion (96.4%) can be achieved accompanied by a furfural alcohol selectivity of 90.0% at -1.2 V (vs Ag/AgCl). The novel composite bioelectrode also showed good stability and reusability. Up to 85.1% of the original furfural alcohol selectivity can be preserved after 10 times of recycling. This work presents a promising green alternative for the valorization of furfural, which also shows great potential extending to the valorization of other biomass compounds.
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Affiliation(s)
- Peng Zhan
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Xiangshi Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Shiding Zhang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Qian Zhu
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Hongqing Zhao
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Cong Ren
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Jiawen Zhang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Lu Lu
- Paris Curie Engineer School, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Peiyong Qin
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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15
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Meinhardt AL, McPherson M, Berg C, Cai D, Blumenfrucht M, Chang V, Zhong F. PP01.69 NSCLC with Testicular Metastasis: A Case Report. J Thorac Oncol 2023. [DOI: 10.1016/j.jtho.2022.09.095] [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: 01/30/2023]
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16
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Zhao H, Qi Y, Zhan P, Zhu Q, Liu X, Guan X, Zhang C, Su C, Qin P, Cai D. Artificial Photoenzymatic Reduction of Carbon Dioxide to Methanol by Using Electron Mediator and Co-factorAssembled ZnIn 2 S 4 Nanoflowers. ChemSusChem 2023:e202300061. [PMID: 36847586 DOI: 10.1002/cssc.202300061] [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] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/27/2023] [Indexed: 06/18/2023]
Abstract
Increased absorption of visible light, low electron-hole recombination, and fast electron transfer are the major objectives for highly effective photocatalysts in biocatalytic artificial photosynthetic systems. In this study, a polydopamine (PDA) layer containing electron mediator, [M], and NAD+ cofactor was assembled on the outer surface of ZnIn2 S4 nanoflower, and the as-prepared nanoparticle, ZnIn2 S4 /PDA@poly/[M]/NAD+ , was used for photoenzymatic methanol production from CO2 . Because of effective capturing of visible light, reduced distance of electron transfer, and elimination of electron-holes recombination, a high NADH regeneration of 80.7±1.43 % could be obtained using the novel ZnIn2 S4 /PDA@poly/[M]/NAD+ . In the artificial photosynthesis system, a maximum methanol production of 116.7±11.8 μm was obtained. The enzymes and nanoparticles in the hybrid bio-photocatalysis system could be easily recovered using the ultrafiltration membrane at the bottom of the photoreactor. This is due to the successful immobilization of the small blocks including the electron mediator and cofactor on the surface of the photocatalyst. The ZnIn2 S4 /PDA@poly/[M]/NAD+ photocatalyst exhibited good stability and recyclability for methanol production. The novel concept presented in this study shows great promise for other sustainable chemical productions through artificial photoenzymatic catalysis.
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Affiliation(s)
- Hongqing Zhao
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Yanou Qi
- School of International Education, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
- College of Chemistry, Liaoning University, Shenyang, 110036, P. R. China
| | - Peng Zhan
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Qian Zhu
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Xiangshi Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Xinyao Guan
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Chenxi Zhang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Changsheng Su
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Peiyong Qin
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing, 100029, P. R. China
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17
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Cai D, Li Z, Xu L, Fan L, Wen S, Li F, Guan Z, Guan Y. Sustaining newcomers' career adaptability: The roles of socialization tactics, job embeddedness and career variety. J Occupat & Organ Psyc 2023. [DOI: 10.1111/joop.12423] [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: 01/07/2023]
Affiliation(s)
- Di Cai
- School of Management Shandong University Jinan China
| | - Zehua Li
- Durham University Business School Durham UK
| | | | - Lanyue Fan
- Durham University Business School Durham UK
| | - Shanshan Wen
- School of Management Shenzhen University Shenzhen China
| | - Fangmin Li
- School of Psychological and Cognitive Sciences Peking University Beijing China
| | - Ziqing Guan
- School of Physics & Electronics Science Shandong Normal University Jinan China
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18
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Li L, Wei Z, Zhang T, Cai D. Three‐dimensional dead reckoning of wall‐climbing robot based on information fusion of compound extended Kalman filter. J FIELD ROBOT 2022. [DOI: 10.1002/rob.22144] [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: 12/12/2022]
Affiliation(s)
- Lin Li
- School of Mechanical and Automotive Engineering South China University of Technology Guangzhou Guangdong China
| | - Zhenye Wei
- School of Mechanical and Automotive Engineering South China University of Technology Guangzhou Guangdong China
| | - Tie Zhang
- School of Mechanical and Automotive Engineering South China University of Technology Guangzhou Guangdong China
| | - Di Cai
- Infrastructure Department Guangzhou Power Supply Bureau of China Southern Grid Guangdong Guangzhou China
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19
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Cai D, Onur P. An Autopsy Case Report of ARDS Caused by Tumor Lysis Syndrome in A Patient with Mantle Cell Lymphoma. Am J Clin Pathol 2022. [DOI: 10.1093/ajcp/aqac126.210] [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: 11/11/2022] Open
Abstract
Abstract
Introduction/Objective
Acute respiratory distress syndrome (ARDS) is a type of respiratory failure caused by diffuse injury to surfactant-producing cells and fluid buildup in the alveoli. ARDS impairs lung's ability and is potentially fatal. Tumor lysis syndrome is an oncologic emergency mostly triggered by the initiation of chemotherapy causing life- threatening metabolic cascades even with preventable therapies.
Methods/Case Report
We report an autopsy case of a 71-year-old male who was referred to the Emergency Department with complaints of poor appetite, dizziness, nausea. He was found to have a white blood cell count over 1,000,000, with hemoglobulin of 7.7, platelet count of 95, uric acid 11.5, LDH 486. He was diagnosed with mantle cell lymphoma (MCL) involving peripheral blood and received Allopurinol for tumor lysis syndrome prophylaxis. He started to receive Rituximab. Soon after, he became lethargic and more hypoxemic and needed intubation. But he became pulseless and he did not recover.
Results (if a Case Study enter NA)
The autopsy revealed an extensive spread of the lymphoma to multi-organs, including the esophagus, spleen, liver, kidney, heart, prostate. Bone marrow and lymph nodes were diffusely infiltrated by atypical medium lymphocytes. Stains on lymph nodes show the atypical lymphocytes are positive for CD20, CD5, Cyclin D1, Bcl2, negative for CD23, Bcl6, with a Ki-67 proliferative index around 40%, consistent with MCL. The patient's lungs were heavy and microscopic examination confirmed ARDS.
Conclusion
We, here describe a patient with MCL who developed tumor lysis syndrome with Rituximab monotherapy and died of ARDS shortly after. It's rarely reported that tumor lysis syndrome results in fatal ARDS.
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Affiliation(s)
- D Cai
- Department of Patholoy, VA New Jersey Medical Center , East Orange, New Jersey , United States
| | - P Onur
- Department of Pathology, Rutgers University , Newark, New Jersey , United States
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Liu J, Yao L, Cai D, Liu S. Do newcomers with high political skill benefit more from the formal mentoring program? CDI 2022. [DOI: 10.1108/cdi-04-2022-0093] [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] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
PurposePrevious research on the factors influencing mentoring received has primarily focused on protégés' personalities and the similarity between protégés and mentors, whereas understanding on the role of protégés' skills is still limited. Drawing upon the social influence theory, this study investigated how newcomers' political skill influences newcomers' mentoring received and further affects newcomers' socialization outcomes (i.e. person-organization fit perception [P-O fit], performance proficiency and well-being).Design/methodology/approachData were collected from 255 newcomers at a large Chinese information and technology (IT) company using a three-wave, time-lagged design.FindingsThe authors found that newcomers' political skill positively predicted mentoring received, which in turn positively affected newcomers' socialization outcomes.Originality/valueThese findings indicate that political skill enables newcomers to exert social influence on organizational insiders to achieve desirable socialization outcomes, enlarging both the mentoring and political skill literature.
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21
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Cui H, Wang S, Yang X, Zhang W, Chen M, Wu Y, Li S, Li L, Cai D, Guo B, Ye J, Wang S. Predictive models for assessing the risk of Fusarium pseudograminearum mycotoxin contamination in post-harvest wheat with multi-parameter integrated sensors. Food Chem X 2022; 16:100472. [PMID: 36304207 PMCID: PMC9593717 DOI: 10.1016/j.fochx.2022.100472] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 09/28/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
Abstract
Water activity plays a significant role in affecting CO2 and mycotoxin levels. Models were developed to predict contamination with ZEN and DON in stored wheat. These models + multi-parameter integrated sensors for real-time mycotoxin monitoring.
Reliable prediction of the risk of mycotoxin contamination in post-harvest wheat will aid in improvement of the quality and safety. To establish the relationship between Fusarium pseudograminearum mycotoxins and CO2 production, changes in their respective concentrations were monitored for the artificial contamination of wheat under different values of water activities (0.84 aw, 0.92 aw, and 0.97 aw) and temperatures (20 ℃, 25 ℃, and 30 ℃). Water activity played a significant role in all these processes. CO2 concentration together with moisture content and temperature were used as the main parameters to establish DON and ZEN contamination prediction models. The prediction accuracy for DON was 98.15 % (R2 = 0.990) and 90.74 % for ZEN (R2 = 0.982). These models were combined with T/RH/MC/CO2 multi-parameter integrated sensors to form an early warning system, which offers a great prospect to minimise the risk of DON/ZEN contamination in post-harvest wheat.
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Affiliation(s)
- Hua Cui
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Songshan Wang
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Xu Yang
- Baoding Qingyuan District National Grain Reserve Co., Ltd., No. 2866-500, Lianchi South Str, Qingyuan District, Baoding City, Hebei 071100, China
| | - Wei Zhang
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Mengze Chen
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Yu Wu
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Sen Li
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Li Li
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Di Cai
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Baoyuan Guo
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
| | - Jin Ye
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China,Corresponding author.
| | - Songxue Wang
- Academy of National Food and Strategic Reserves Administration, No. 11 Baiwanzhuang Str, Xicheng District, Beijing 100037, China
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Cai D, Wang W, Xia X, Chen M, Yang H. EP16.04-028 PHLPP2 Regulates Ferroptosis Through Nrf2 Pathway to Affected Cell Cycle and Apoptosisin Lung Squamous Cell Carcinoma. J Thorac Oncol 2022. [DOI: 10.1016/j.jtho.2022.07.1136] [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: 10/14/2022]
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23
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Cai D, Wang H, Yao L, Li M, Men C. A relational identification perspective on why and when servant leadership foster employees' extra-role customer service. LODJ 2022. [DOI: 10.1108/lodj-10-2021-0450] [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] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PurposeCustomer service is crucial for organizations' survival and competitiveness in the hospitality industry. The purpose of this study is to examine how and when servant leadership affects extra-role customer service.Design/methodology/approachThe hypotheses were tested with a sample of 302 employees from a passenger transport company in China.FindingsResults demonstrate that servant leadership was positively related to extra-role customer service and that this relation was mediated by relational identification. In addition, the mediating effect of relational identification in the relation between servant leadership and extra-role customer service was contingent on prosocial motivation.Originality/valueThe study is the first to explore the relation between servant leadership and extra-role customer service from the perspective of relational identification and the moderating role of prosocial motivation.
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Zhang J, Song R, Wu S, Cai D, Wu Z, Hu D, Song B. Design, Synthesis, and Insecticidal Activity of Novel Pyrido[1, 2- a]pyrimidinone Mesoionic Compounds Containing an Indole Moiety as Potential Acetylcholine Receptor Insecticides. J Agric Food Chem 2022; 70:5349-5356. [PMID: 35442026 DOI: 10.1021/acs.jafc.2c00838] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In this study, a series of novel mesoionic pyrido[1,2-a]pyrimidinone compounds containing a natural skeleton indole were designed and synthesized, and the insecticidal activities of the target compounds were tested. The results showed that the target compounds had good to excellent insecticidal activities against white-backed planthoppers (Sogatella furcifera) and bean aphids (Aphis craccivora). Among them, compound 7 showed outstanding insecticidal activities against both S. furcifera and A. craccivora, with LC50 values of 0.86 and 0.85 μg/mL, respectively. The insecticidal activity against bean aphids (A. craccivora) was superior to that of triflumezopyrim (LC50 = 3.67 μg/mL). Proteomics and quantitative real-time polymerase chain reaction (qRT-PCR) results revealed that compound 7 may interact with α1 and α7 nAChR subunits of S. furcifera. The results of enzyme activities indicated that compound 7 was an inhibitor of AChE in S. furcifera. This study provides new ideas for the discovery of new mesoionic pyrido[1,2-a]pyrimidinone insecticides.
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Affiliation(s)
- Jian Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Runjiang Song
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Shang Wu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Di Cai
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Zengxue Wu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Deyu Hu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Baoan Song
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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25
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Zhang J, Song R, Wu S, Cai D, Wu Z, Liu Z, Hu D, Song B. Discovery of Pyrido[1,2- a]pyrimidinone Mesoionic Compounds Incorporating a Dithioacetal Moiety as Novel Potential Insecticidal Agents. J Agric Food Chem 2021; 69:15136-15144. [PMID: 34878774 DOI: 10.1021/acs.jafc.1c05823] [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] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A series of novel mesoionic pyrido[1,2-a]pyrimidinone compounds incorporating a dithioacetal skeleton were designed and synthesized for use as insecticidal agents. The biological activity of the title compounds indicated good to excellent insecticidal activities against bean aphids (Aphis craccivora) and white-backed planthoppers (Sogatella furcifera). Compound 34 showed excellent insecticidal activity against bean aphids (A. craccivora) with an LC50 value of 2.80 μg/mL, exceeding the insecticidal activity of trifluoropyrimidine (LC50 = 4.20 μg/mL). Proteomics and molecular docking results indicated that compound 34 could act on nicotinic acetylcholine receptors. This study provides support for the application of mesoionic pyrido[1,2-a]pyrimidinone compounds containing dithioacetal as novel insecticidal agents.
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Affiliation(s)
- Jian Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Runjiang Song
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Shang Wu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Di Cai
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Zengxue Wu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Zhengjun Liu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Deyu Hu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Baoan Song
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China
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Chen J, Ouyang J, Lai W, Xing X, Zhou L, Liu Z, Chen W, Cai D. Synthesis of ultralight chitosan/activated biochar composite aerogel globules for ketoprofen removal from aqueous solution. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119700] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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27
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Cai D, Titus P, Rana C, Zhang H, Sheckman S. Center Stack Casing Bakeout BUS Design for the NSTX-Upgrade Fusion Device. Fusion Science and Technology 2021. [DOI: 10.1080/15361055.2021.1921362] [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] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- D. Cai
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543
| | - P. Titus
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543
| | - C. Rana
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543
| | - H. Zhang
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543
| | - S. Sheckman
- Princeton Plasma Physics Laboratory, Princeton, New Jersey 08543
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28
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Wang Y, Shen C, Huo K, Cai D, Zhao G. Antioxidant activity of yeast mannans and their growth-promoting effect on Lactobacillus strains. Food Funct 2021; 12:10423-10431. [PMID: 34596192 DOI: 10.1039/d1fo01470f] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Yeast mannans from Saccharomyces cerevisiae (123.2 kDa, 40.5 kDa and 21.3 kDa) were prepared. The scavenging abilities of Fe2+, OH˙, and O2˙- and protective capacities against lipid peroxidation and oxidative DNA damage increased with the reduction of the molecular weights of yeast mannans. The highest scavenging abilities of Fe2+, OH˙ and O2˙- (25.32%, 70.8%, and 61.5%) were observed with YM-90, and it showed an anti-lipid peroxidation capacity of 65.82%, which was much stronger than that of vitamin C (VC), with a thiobarbituric acid-reactive substance (TBARS) inhibition rate of 80.41%. However, the highest DPPH scavenging rate (88.7%) was exhibited by YM-30. In addition, the growth-promoting effect of yeast mannans on Lactobacillus strains was further confirmed, and a 54.2% increment of Lactobacillus plantarum ZWR5 cell viability was achieved by YM-90. The results indicated the potential industrial applications of this yeast mannan technology in therapeutic and nutraceutical production.
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Affiliation(s)
- Yong Wang
- Fermentation Technology Innovation Center of Hebei Province, College of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, 050018, PR China.
| | - Chongyu Shen
- Fermentation Technology Innovation Center of Hebei Province, College of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, 050018, PR China.
| | - Kai Huo
- Fermentation Technology Innovation Center of Hebei Province, College of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, 050018, PR China.
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Guoqun Zhao
- Fermentation Technology Innovation Center of Hebei Province, College of Food Science and Biology, Hebei University of Science and Technology, Shijiazhuang, 050018, PR China.
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Deb PQ, Hurley HJ, Bhate C, Cai D. Incidence and outcomes of primary cutaneous anaplastic large cell lymphoma: a SEER population-based study. Am J Clin Pathol 2021. [DOI: 10.1093/ajcp/aqab191.099] [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: 11/13/2022] Open
Abstract
Abstract
Introduction/Objective
Primary cutaneous anaplastic large cell lymphoma (PC-ALCL) is the second most type of cutaneous lymphoma of T cell origin. Although PC-ALCL is considered clinically indolent with an excellent overall survival rate, very few studies have examined the epidemiology and survival of this disease in significant depth. Here we have used the National Cancer Institute’s Surveillance, Epidemiology, and End Results (SEER) database to identify the cases of PC-ALCL with immunohistologic or molecular confirmation and analyzed disease-specific survival across various epidemiological factors.
Methods/Case Report
We identified patients with PC-ALCL from the SEER database from 1975 - 2017. Cases with only histological and immunohistochemical or molecular evidence of diagnosis were included in the study. Age, sex, and race-standardized incidence rates (IR) were calculated. Survival was assessed using Kaplan-Meier curves and Cox proportional hazards models.
Results (if a Case Study enter NA)
93 individuals were identified with a diagnosis of PC-ALCL. Increased age correlated significantly with the total number of cases within age groups, suggesting an associated risk. Males were significantly overrepresented in the disease population at 62%. The racial distribution of patients with PC-ALCL did not significantly differ from the racial distribution in the US. Kaplan-Meier DSS analysis was performed to assess possible influence of race, sex, age, or primary site location on the prognosis in patients with PC-ALCL. Age appears to be one of the greatest factors influencing survival, and while this trended strongly, it was not a statistically significant observation. Although males were disproportionately represented among PC-ALCL patients, sex did not affect survival. Similarly, the patient’s race had no significant effect on the length of survival. The location of the primary tumor trends towards affecting survival, and while this is quantitatively the most impressive observation, it does not reach the threshold of statistical significance.
Conclusion
We performed a comprehensive review of the clinical and epidemiological features present in PC-ALCL. We found age to be the most significant factor in the risk of development of PC-ALCL, and while our study lacks the statistical power to demonstrate it, age may also be the most significant factor in survival.
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Affiliation(s)
- P Q Deb
- Pathology, Immunology, and Laboratory Medicine, Rutgers New Jersey Medical School, Newark, New Jersey, UNITED STATES
| | - H J Hurley
- Pathology, Immunology, and Laboratory Medicine, Rutgers New Jersey Medical School, Newark, New Jersey, UNITED STATES
| | - C Bhate
- Pathology, Immunology, and Laboratory Medicine, Rutgers New Jersey Medical School, Newark, New Jersey, UNITED STATES
| | - D Cai
- Pathology and Laboratory Medicine, Veterans Affairs New Jersey Health Care System, East Orange, New Jersey, UNITED STATES
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Shkolnik E, Cai D. Characterization of A Rare Case of Vulvar Epithelioid Sarcoma with local recurrence and metastases. Am J Clin Pathol 2021. [DOI: 10.1093/ajcp/aqab191.171] [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: 11/13/2022] Open
Abstract
Abstract
Introduction/Objective
Epithelioid sarcoma (ES) is a rare, malignant mesenchymal neoplasm that has a known tendency for local recurrence, regional lymph node involvement, and distant metastases. Two histologic variants have been recognized: classic ES also known as the distal type, and proximal-type ES (PES). The classic ES is common in young adults. It occurs more frequently in the distal upper extremities followed by the distal lower limbs and has a male prevalence of 2:1. Conversely, PES commonly involves deep tissues in the pelvic region, including the genital area. It tends to occur in older patients and follows a more aggressive clinical course. In the female genital tract, PES occurs most frequently in the vulva. The incidence of primary sarcoma of the vulva accounts for 1.5-5% of all malignant tumors, making PES a very rare incidence.
Methods/Case Report
Here we report a 60-year-old female diagnosed with vulvar epithelioid sarcoma treated with a right radical vulvectomy and bilateral inguinal lymph node dissection in 2008. In 2017, further surgery and adjuvant radiation were given for local recurrence. In 2020, the patient developed left hip pain and was found to have an expansile lytic lesion in the left proximal femur. Extensive resection was performed. Grossly the vulvar lesion was nodular with diffuse hemorrhage, degeneration, and necrosis. Microscopically, the tumor cells had large vesicular nuclei, prominent nucleoli, and abundant eosinophilic cytoplasm. Histologically, the morphology of the tumor cells are similar for the primary vulvar specimen and the bone metastases. Immunohistochemically, the tumor cells are positive for vimentin, GATA, FLI-1, SMA, SMHC, partially positive for CAM5.2, AE1/AE3, CD31, and CD163. Immunohistochemistry was negative for CDX2, CD56, S-100, TTF-1, CK5/6, CK20, P40, mammoglobin, MOC31, ER, CK7, CK903, HMB45, PAX8. A Ki-67 proliferative index was around 30-40%. NGS molecular testing detected a SMARCB1 mutation with loss of exons 1-3 and exons 7-9 supporting the diagnosis of epithelioid sarcoma.
Results (if a Case Study enter NA)
NA
Conclusion
In summary, we report a case of PES of the vulva in a 60 year old female. Grossly, the lesion was nodular with histology showing large vesicular nuclei, prominent nucleoli, and abundant eosinophilic cytoplasm. It showed loss of INI1/SMARCB1 nuclear expression. The patient is receiving further adjuvant treatment and shows no new metastases.
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Affiliation(s)
- E Shkolnik
- Pathology, Rutgers University, Newark, New Jersey, UNITED STATES
| | - D Cai
- Pathology, VA Hospital, East Orange, New Jersey, UNITED STATES
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31
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Cai D, Chen S, Wu B, Chen J, Tao D, Li Z, Dong Q, Zou Y, Chen Y, Bi C, Zu D, Lu L, Fang B. Construction of multifunctional porcine acellular dermal matrix hydrogel blended with vancomycin for hemorrhage control, antibacterial action, and tissue repair in infected trauma wounds. Mater Today Bio 2021; 12:100127. [PMID: 34585135 PMCID: PMC8452890 DOI: 10.1016/j.mtbio.2021.100127] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 07/29/2021] [Accepted: 08/16/2021] [Indexed: 12/18/2022] Open
Abstract
Prevention of bacterial infection and reduction of hemorrhage, the primary challenges posed by trauma before hospitalization, are essential steps in prolonging the patient's life until they have been transported to a trauma center. Extracellular matrix (ECM) hydrogel is a promising biocompatible material for accelerating wound closure. However, due to the lack of antibacterial properties, this hydrogel is difficult to be applied to acute contaminated wounds. This study formulates an injectable dermal extracellular matrix hydrogel (porcine acellular dermal matrix (ADM)) as a scaffold for skin defect repair. The hydrogel combines vancomycin, an antimicrobial agent for inducing hemostasis, expediting antimicrobial activity, and promoting tissue repair. The hydrogel possesses a porous structure beneficial for the adsorption of vancomycin. The antimicrobial agent can be timely released from the hydrogel within an hour, which is less than the time taken by bacteria to infest an injury, with a cumulative release rate of approximately 80%, and thus enables a relatively fast bactericidal effect. The cytotoxicity investigation demonstrates the biocompatibility of the ADM hydrogel. Dynamic coagulation experiments reveal accelerated blood coagulation by the hydrogel. In vivo antibacterial and hemostatic experiments on a rat model indicate the healing of infected tissue and effective control of hemorrhaging by the hydrogel. Therefore, the vancomycin-loaded ADM hydrogel will be a viable biomaterial for controlling hemorrhage and preventing bacterial infections in trauma patients.
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Affiliation(s)
- D Cai
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - S Chen
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - B Wu
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - J Chen
- Bacterial Laboratory, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - D Tao
- Pathology Department, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - Z Li
- Pathology Department, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - Q Dong
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - Y Zou
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - Y Chen
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China.,School of Medcine, Shaoxing University, Shaoxing, China
| | - C Bi
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China.,School of Medcine, Shaoxing University, Shaoxing, China
| | - D Zu
- Central Laboratory, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - L Lu
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
| | - B Fang
- Department of Spine Surgery, The Central Hospital Affiliated to Shaoxing University, Shaoxing, China
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Brailovskaia J, Zhang XC, Cai D, Lu S, Gao ZH, Margraf J. The Benefits of Physical Activity and Positive Mental Health for Reducing the Burden of COVID-19: Validation from a Cross-sectional and Longitudinal Investigation in China and Germany. Int J Ment Health Addict 2021; 21:1186-1199. [PMID: 34602914 PMCID: PMC8475893 DOI: 10.1007/s11469-021-00653-5] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/14/2021] [Indexed: 11/29/2022] Open
Abstract
Many people experience high burden by the outbreak of the coronavirus disease (COVID-19) and its consequences for health and everyday life. The present cross-national study investigated potential factors that can reduce the burden by COVID-19 in China and Germany. Cross-sectional and longitudinal (China: N = 474, baseline, BL: 2015, follow-up, FU: 2020; Germany: N = 359, BL: 2019, FU: 2020) data on physical activity (e.g., jogging) (BL/FU), positive mental health (PMH) (BL/FU), and burden by COVID-19 (FU) were collected via online surveys. In both countries, physical activity was positively associated with PMH, and both variables were negatively related to burden by COVID-19. Furthermore, PMH mediated the link between physical activity and burden. The mediation model was significant when physical activity and PMH were assessed at the BL, while burden was measured at the FU; and it was also significant when all variables were assessed at the FU. The present findings reveal that physical activity in combination with PMH can reduce the experience of burden by COVID-19. Conscious fostering of physical activity and PMH is supported as an effective strategy to reduce the negative impact of the pandemic outbreak on mental and physical health. Additional benefits such as increased adherence to governmental measures around COVID-19 are discussed.
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Affiliation(s)
- J Brailovskaia
- Mental Health Research and Treatment Center, Department of Clinical Psychology and Psychotherapy, Ruhr-Universität Bochum, Massenbergstr. 9-13, 44787 Bochum, Germany
| | - X C Zhang
- Mental Health Research and Treatment Center, Department of Clinical Psychology and Psychotherapy, Ruhr-Universität Bochum, Massenbergstr. 9-13, 44787 Bochum, Germany
| | - D Cai
- Department of Psychology, Shanghai Normal University, Shanghai, China
| | - S Lu
- Department of Psychology, Capital Normal University, Beijing, China
| | - Z H Gao
- School of Psychology and Mental Health, North China University of Science and Technology, Qinhuangdao, China
| | - J Margraf
- Mental Health Research and Treatment Center, Department of Clinical Psychology and Psychotherapy, Ruhr-Universität Bochum, Massenbergstr. 9-13, 44787 Bochum, Germany
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Guan P, Ren C, Shan H, Cai D, Zhao P, Ma D, Qin P, Li S, Si Z. Boosting the pervaporation performance of PDMS membrane for 1-butanol by MAF-6. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04873-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Shen L, Qian B, Xiao J, Zhu Y, Hussain S, Deng J, Peng G, Zuo Z, Zou L, Yu S, Ma X, Zhong Z, Ren Z, Wang Y, Liu H, Zhou Z, Cai D, Hu Y, Zong X, Cao S. Characterization of serum adiponectin and leptin in healthy perinatal dairy cows or cows with ketosis, and their effectson ketosis involved indices. Pol J Vet Sci 2021; 23:373-381. [PMID: 33006850 DOI: 10.24425/pjvs.2020.134681] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
We investigated changes in concentrations of ADP (adiponectin), LEP (leptin), BHBA (beta-hydroxybutyric acid), NEFA (non-esterified fatty acid), Glucose (Glu) and INS (insulin) in serum of healthy perinatal dairy cows and cows with ketosis. Twenty-one healthy cows and seventeen cows with ketosis from a herd of a total 60 Holstein cows (near dry period i.e. 56 days antepartum) were selected. Blood was collected through the tail vein every 7 days, from 56 day antepartum to 56 day postpartum. Serum ADP, LEP, BHBA, NEFA, Glu, and INS concentrations were determined, and ketosis was diagnosed through serum BHBA (≥1.2 mmol/L). We showed the concentration of serum adipokines and energy balancing indices were stable during antepar- tum period. However, ADP concentration increased while LEP decreased, and there were a significant increase in cows with ketosis compared to that of in healthy cows. Serum BHBA and NEFA concentrations increased significantly at first, and then gradually decreased in both healthy cows and cows with ketosis. However, cows with ketosis showed higher concentrations of BHBA and NEFA which restored later. The serum concentration of Glu in both healthy dairy cows and cows with ketosis showed a decreasing trend. INS concentration in healthy cows was decreased while it was increased in cows with ketosis. The results reflect the extent of hypo- glycemia and lipid mobilization postpartum, suggest IR exists in cows with ketosis while serum ADP and LEP might play roles in the development of ketosis.
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Affiliation(s)
- L Shen
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - B Qian
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - J Xiao
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - Y Zhu
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - S Hussain
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - J Deng
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - G Peng
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - Z Zuo
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - L Zou
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - S Yu
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - X Ma
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - Z Zhong
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - Z Ren
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - Y Wang
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - H Liu
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - Z Zhou
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - D Cai
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - Y Hu
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
| | - X Zong
- Sichuan Agricultural University - Chengdu Campus, Academic Affairs Office, Chengdu, Sichuan, 611130, China
| | - S Cao
- Sichuan Agricultural University - Chengdu Campus, The Key Laboratory of Animal Disease and Human Health of Sichuan Province, The Medical Research Center for Cow Disease Chengdu, Sichuan, 611130, China
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Yang Z, Zhao L, Hu M, Cai D, Tian Z, Baeyens J, Dewil R, Qin P, Yang W, Graham NJ. Hydrophobic-modified metal-hydroxide nanoflocculants enable one-step removal of multi-contaminants for drinking water production. iScience 2021; 24:102491. [PMID: 34113827 PMCID: PMC8169996 DOI: 10.1016/j.isci.2021.102491] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/26/2021] [Accepted: 04/26/2021] [Indexed: 12/23/2022] Open
Abstract
Flocculation is a mainstream technology for the provision of safe drinking water but is limited due to the ineffectiveness of conventional flocculants in removing trace low-molecular-weight emerging contaminants. We described a synthesis strategy for the development of high-performance nanoflocculants (hydrophobic-organic-chain-modified metal hydroxides [HOC-M]), imitating surfactant-assembling nano-micelles, by integration of long hydrophobic chains with traditional inorganic metal (Fe/Al/Ti)-based flocculants. The core-shell nanostructure was highly stable in acidic stock solution and transformed to meso-scale coagulation nuclei in real surface water. In both jar and continuous-flow tests, HOC-M was superior over conventional flocculants in removing many contaminants (turbidity, UV254, and DOC: >95%; TP and NO3-N: >90%; trace pharmaceuticals [initial concentration: 100 ng/L]: >80%), producing flocs with better structural and dewatering properties, and lowering the environmental risk of metal leaching. The rationally designed nanoflocculants have large application potential, as a solution to increasing public concern about micro-pollutants and increasing water quality requirements.
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Affiliation(s)
- Zhen Yang
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycling and Pollution Control, Nanjing Normal University, Nanjing 210046, China
| | - Lina Zhao
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycling and Pollution Control, Nanjing Normal University, Nanjing 210046, China
| | - Min Hu
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycling and Pollution Control, Nanjing Normal University, Nanjing 210046, China
| | - Di Cai
- College of Life Science and Technology, National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ziqi Tian
- Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences, Ningbo 315000, China
| | - Jan Baeyens
- College of Life Science and Technology, National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
- Department of Chemical Engineering, Process and Environmental Technology Lab, KU Leuven, 2860 Sint-Katelijne-Waver, Belgium
| | - Raf Dewil
- Department of Chemical Engineering, Process and Environmental Technology Lab, KU Leuven, 2860 Sint-Katelijne-Waver, Belgium
| | - Peiyong Qin
- College of Life Science and Technology, National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
| | - Weiben Yang
- School of Chemistry and Materials Science, Jiangsu Provincial Key Laboratory of Material Cycling and Pollution Control, Nanjing Normal University, Nanjing 210046, China
| | - Nigel J.D. Graham
- Department of Civil and Environmental Engineering, Imperial College London, London, SW7 2AZ, UK
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Guo Y, Deng J, Li J, Zhou J, Cai D, Le Z. Static laser speckle suppression using liquid light guides. Opt Express 2021; 29:14135-14150. [PMID: 33985138 DOI: 10.1364/oe.425587] [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] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 04/17/2021] [Indexed: 06/12/2023]
Abstract
Static laser speckle suppression using multimode fibers has practical limitations as the technique requires an extremely long fiber to achieve an acceptable speckle contrast. An effective method based on liquid light guides was developed in this study to suppress laser speckle. In this study, a speckle simulation model of the liquid light guide was established for numerically calculating the speckle contrast without solving the analytical solution of the photon diffusion equation. The obtained simulation results were compared with the experimental results for the dependence of speckle contrast on the required length and numerical aperture with different liquid core types of liquid light guides. A speckle contrast of 12% and a speckle suppression efficiency of 5 was achieved at the end of a 2.4 m long liquid light guide. For the same fiber length, liquid light guides were found to suppress speckle more efficiently when compared to multimode fibers.
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Liu C, Xue T, Yang Y, Ouyang J, Chen H, Yang S, Li G, Cai D, Si Z, Li S, Qin P. Effect of crosslinker 3-methacryloxypropylmethyldimethoxysilane on UV-crosslinked PDMS-PTFPMS block copolymer membranes for ethanol pervaporation. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.01.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Abstract
PurposeThe purpose of this paper is to examine the effect of mentoring on newcomer well-being, as mediated by newcomer socialization and moderated by proactive personality.Design/methodology/approachData were collected at four time points in a sample of 227 newcomers. Regression analysis and bootstrapping method were used to test the hypotheses.FindingsMentoring had a positive and indirect effect on newcomer well-being through socialization. The moderated mediation analysis also revealed that proactive personality augmented the direct effect of mentoring on socialization and its indirect effect on well-being.Research limitations/implicationsOur data were collected in China, thereby limiting the generalization of the research findings. Future research can test our model in different cultural contexts.Practical implicationsOrganizations should consider establishing a mentoring program to foster newcomer socialization and achieve well-being. Within the mentoring context, cultivating newcomers to become more proactive can predict higher socialization levels, resulting in higher well-being.Originality/valuePrevious research largely focused on the development of the well-being of tenured employees. Drawing on socialization resources theory, this study focuses on the newcomer well-being and proposes the influential mechanism and boundary condition of the relationship between mentoring and newcomer well-being. It sheds light on exploring the well-being development for newcomers.
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Shan H, Li S, Zhang X, Meng F, Zhuang Y, Si Z, Cai D, Chen B, Qin P. Molecular dynamics simulation and preparation of vinyl modified polydimethylsiloxane membrane for pervaporation recovery of furfural. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.118006] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Si Z, Liu C, Li G, Wang Z, Li J, Xue T, Yang S, Cai D, Li S, Zhao H, Qin P, Tan T. Epoxide-based PDMS membranes with an ultrashort and controllable membrane-forming process for 1-butanol/water pervaporation. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2020.118472] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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41
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Cai D, Cai Y, Sun Y, Xu R, Feng B. Leader‐Follower Congruence in Need for Achievement and Work Outcomes: The Mediating Role of Leader‐Member Exchange. Applied Psychology 2020. [DOI: 10.1111/apps.12286] [Citation(s) in RCA: 3] [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: 11/27/2022]
Affiliation(s)
- Di Cai
- Shandong University China
| | - Yahua Cai
- Shanghai University of Finance & Economics China
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Zhao J, Si Z, Shan H, Cai D, Li S, Li G, Lin H, Baeyens J, Wang G, Zhao H, Qin P. Highly Efficient Production of 5-Hydroxymethylfurfural from Fructose via a Bromine-Functionalized Porous Catalyst under Mild Conditions. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c01480] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Jing Zhao
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Zhihao Si
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Houchao Shan
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Shufeng Li
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Guozhen Li
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Hongfei Lin
- Gene and Linda Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99164, United States
- Department of Biological Systems Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Jan Baeyens
- Beijing Advanced Innovation Centre of Soft Matter and Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
- School of Engineering, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Guirong Wang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Haoning Zhao
- Paris Curie Engineer School, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Peiyong Qin
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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Si Z, Li G, Wang Z, Cai D, Li S, Baeyens J, Qin P. A Particle-Driven, Ultrafast-Cured Strategy for Tuning the Network Cavity Size of Membranes with Outstanding Pervaporation Performance. ACS Appl Mater Interfaces 2020; 12:31887-31895. [PMID: 32551481 DOI: 10.1021/acsami.0c05859] [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] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Poly(dimethylsiloxane) (PDMS) membranes are widely used for bioethanol separation. However, the network cavity size r3 of PDMS membranes is generally smaller than the ethanol kinetic radius (0.225 nm), which limits the transport of ethanol molecules and weakens the pervaporation performance. Herein, we proposed a particle-driven, ultrafast-cured strategy to overcome the above key issue: (1) Incorporating particles into PDMS for preventing polymer chains from packing tightly, (2) freezing particles within a PDMS layer by the ultrafast UV-cross-linking for improving its distribution and increasing the chain extension of the polymer, and (3) covalently bonding particles with PDMS to enhance their compatibility. Consequently, r3 was increased to 0.262 nm, and an extremely high loading membrane (50 wt %) with an ultrashort curing time (20 s) was prepared, which is difficult to be realized by the conventional thermally driven approach. As a result, a separation factor of 13.4 with a total flux of 2207 g m-2 h-1 for separating ethanol from a 5 wt % aqueous solution at 60 °C was obtained. This strategy shows the feasibility of recovery of different bioalcohols and the large-scale continuous membrane preparation.
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Affiliation(s)
- Zhihao Si
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Guozhen Li
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ze Wang
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Di Cai
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Shufeng Li
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Jan Baeyens
- Beijing Advanced Innovation Centre of Soft Matter and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- School of Engineering, University of Warwick, Coventry CV4 7AL, U.K
| | - Peiyong Qin
- National Energy R&D Center for Biorefinery, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
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Cai D, Wu WW, Zhang DD, Chi MY, Ma Y, Cheng D, Zhou Y, Zhao QY. [Effects of two dimensional gray-scale blood flow imaging combined with color Doppler flow imaging in guiding arterial puncture and catheterization through wounds in patients with large burns]. Zhonghua Shao Shang Za Zhi 2020; 36:440-445. [PMID: 32594702 DOI: 10.3760/cma.j.cn501120-20190309-00099] [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: 11/05/2022]
Abstract
Objective: To explore the effects of two dimensional gray-scale blood flow imaging (hereinafter referred to as " B-flow" ) combined with color Doppler flow imaging (CDFI) in guiding arterial puncture and catheterization through wounds in patients with large burns. Methods: Sixty-seven patients with large burns who met the inclusion criteria and hospitalized in the First Hospital of Jilin University from January 2017 to January 2019 were enrolled in the prospectively randomized control study. According to the random number table, CDFI alone group was allocated with 35 patients (23 males and 12 females) and B-flow+ CDFI group with 32 patients (22 males and 10 females), aged 19-60 and 18-58 years, respectively. According to the progress of the disease, arterial puncture and catheterization were performed in the right time. During the operation, CDFI was used alone for guidance in patients of CDFI alone group, while B-flow and CDFI were used together for guidance in patients of B-flow+ CDIF group. Based on the first time of catheterization, the catheterization location, one-time catheterization success rate, post-back stitching re-catheterization success rate, catheterization failure rate, catheterization duration, and incidences of wound sepsis, catheter-related bloodstream infection, and arterial thrombosis within post catheterization day (PCD) 3 of patients in the two groups were recorded. Data were statistically analyzed with the independent-sample t test, chi-square test or Fisher's exact probability test. Results: (1) All the patients underwent catheterization through wounds, and there was no statistically significant difference in catheterization location of patients between the two groups (χ(2)=0.574, P>0.05). The one-time catheterization success rate of patients in B-flow+ CDFI group was 81.25% (26/32), which was obviously higher than 51.43% (18/35) in CDFI alone group (χ(2)=6.594, P<0.05). The catheterization failure rate of patients in B-flow+ CDFI group was 3.12% (1/32), which was obviously lower than 20.00% (7/35) in CDFI alone group (P<0.05). The post-back stitching re-catheterization success rate of patients was similar between the two groups (χ(2)=1.029, P>0.05). (3) The catheterization duration of patients was (15.7±1.1) min in B-flow+ CDFI group, which was obviously shorter than (17.1±2.2) min in CDFI alone group (t=11.316, P<0.01). (4) Within PCD 3, the incidences of wound sepsis and catheter-related bloodstream infection of patients in CDFI alone group were 2.86% (1/35) and 0, close to 0 and 3.12% (1/32) in B-flow+ CDFI group (P>0.05); the incidence of arterial thrombosis of patients in B-flow+ CDFI group was 0, which was obviously lower than 20.00% (7/35) in CDFI alone group (P<0.05). Conclusions: Compared with CDFI alone, B-flow combined with CDFI can improve the success rate of arterial puncture and catheterization through wounds in large area burn patients, shorten the catheterization duration, and effectively reduce the incidence of arterial thrombosis after catheterization, with a good clinical application value.
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Affiliation(s)
- D Cai
- Department of Burn Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - W W Wu
- Department of Burn Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - D D Zhang
- Department of Burn Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - M Y Chi
- Department of Burn Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - Y Ma
- Department of Burn Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - D Cheng
- Department of Burn Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - Y Zhou
- Department of Burn Surgery, the First Hospital of Jilin University, Changchun 130021, China
| | - Q Y Zhao
- Department of Burn Surgery, the First Hospital of Jilin University, Changchun 130021, China
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Si Z, Wang Z, Cai D, Li G, Li S, Qin P. A high-permeance organic solvent nanofiltration membrane via covalently bonding mesoporous MCM-41 with polyimide. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.116545] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Cai D, Liu J, Zhao H, Li M. Could social media help in newcomers' socialization? The moderating effect of newcomers’ utilitarian motivation. Computers in Human Behavior 2020. [DOI: 10.1016/j.chb.2020.106273] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Zhao J, Wei J, Cai D, Cao H, Tan T. Polyaspartic Acid-Derived Micro-/Mesoporous Carbon for Ultrahigh H 2 and CH 4 Adsorption. ACS Omega 2020; 5:10687-10695. [PMID: 32455187 PMCID: PMC7240811 DOI: 10.1021/acsomega.9b04110] [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] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Accepted: 04/10/2020] [Indexed: 05/15/2023]
Abstract
A poly(amino acid)-based approach for scalable synthesis of micro-/mesoporous carbon (PC) with high specific surface area and narrow distribution of micro- and mesopores is presented. Using cross-linked poly aspartic acid as a precursor, PC was obtained by in situ one-step carbonization without the activating agent. The resulting PC had an ultrahigh adsorption capacity for H2 (4.43 wt %) and CH4 (4.49 mmol g-1). This novel method could significantly decrease the wastewater hazards caused by washout of the considerable amount of the activating agent. The PC showed promising application in gas adsorption and storage.
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Affiliation(s)
- Jianbo Zhao
- College
of Life Science and Technology, Beijing
University of Chemical Technology, Beijing 100029, PR China
- Engineering
Laboratory of Chemical Resources Utilization in South Xinjiang of
Xinjiang Production and Construction Corps, College of Life Sciences, Tarim University, Alar, Xinjiang 843300, PR China
- State
Key Laboratory of Organic−Inorganic Composites, Beijing 100029, PR China
| | - Jun Wei
- College
of Life Science and Technology, Beijing
University of Chemical Technology, Beijing 100029, PR China
| | - Di Cai
- College
of Life Science and Technology, Beijing
University of Chemical Technology, Beijing 100029, PR China
| | - Hui Cao
- College
of Life Science and Technology, Beijing
University of Chemical Technology, Beijing 100029, PR China
| | - Tianwei Tan
- College
of Life Science and Technology, Beijing
University of Chemical Technology, Beijing 100029, PR China
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Abstract
OA is now well accepted as a low-grade inflammatory disease affecting the whole joint. In addition to mechanical loading, inflammation (particularly synovitis), contributes significantly to OA. Synovial macrophages act as immune cells and are of critical importance in the symptomology and structural progression of OA. Activated macrophages are regulated by mTOR, NF-κB, JNK, PI3K/Akt and other signaling pathways, and are polarized into either M1 or M2 subtypes in OA synovial tissues, synovial fluid, and peripheral blood. The activation state and the M1/M2 ratio is highly associated with OA severity. Aside from autocrine interactions, paracrine interactions between macrophages and chondrocytes play a vital role in the initiation and development of OA by secreting inflammatory cytokines, growth factors, matrix metalloproteinases (MMPs) and tissue inhibitor of metalloproteinases (TIMPs), which lead to subsequent cartilage degradation and destruction. Treatments targeting synovial macrophages relieve pain, and protect from synovitis, cartilage damage, and osteophyte formation during OA development. Macrophage reprogramming of transformation from the M1 to M2 subtype, more than a decrease in the quantity of activated macrophages, appears to be an effective treatment option for OA. This review provides a broad understanding of the contributions of polarized macrophages to joint health and disease. Multifunctional agents with immunomodulatory effects on macrophage reprogramming can skew the inflammatory microenvironment towards a pro-chondrogenic atmosphere, and are thus, potential therapeutic options for the treatment of OA and other immune diseases.
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Affiliation(s)
- H Zhang
- Department of Orthopedics, Orthopedic Hospital of Guangdong Province, Academy of Orthopedics·Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510280, China.
| | - D Cai
- Department of Orthopedics, Orthopedic Hospital of Guangdong Province, Academy of Orthopedics·Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510280, China.
| | - X Bai
- Department of Orthopedics, Orthopedic Hospital of Guangdong Province, Academy of Orthopedics·Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510280, China; Key Laboratory of Mental Health of the Ministry of Education, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, 510515, Guangdong, China; Guangzhou Regenerative Medicine and Health Guangdong Laboratory, 510005, Guangzhou, China.
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Qi L, Cai D, Liu B, Feng T. Effect of workplace ostracism on emotional exhaustion and unethical behaviour among Chinese nurses: A time-lagged three-wave survey. J Adv Nurs 2020. [PMID: 32347558 DOI: 10.1111/jan.14405] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [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: 10/31/2019] [Revised: 02/07/2020] [Accepted: 04/15/2020] [Indexed: 02/01/2023]
Abstract
AIM This study examined the following: (a) the impact of nurses' workplace ostracism on unethical behaviour; (b) mediating role of emotional exhaustion between nurses' workplace ostracism and unethical behaviour; and (c) moderating effect of hostile attribution bias. BACKGROUND While unethical behaviour is a workplace phenomenon that can negatively influence the sustainable development of settings, few nurse studies have explored it. This study identified an interpersonal antecedent of unethical behaviour: workplace ostracism. DESIGN A time-lagged three-wave survey was conducted over 3 months (November 2016-January 2017) to collect data. METHODS Nurses (N = 530) from three hospitals in China completed three anonymous self-reported questionnaires. Descriptive statistics, linear regression, and moderated mediation tests were performed, and data analysed using SPSS 23.0 and Mplus7.4. RESULTS Workplace ostracism positively influenced nurses' unethical behaviour and emotional exhaustion mediated the relationship between workplace ostracism and unethical behaviour. Nurses' hostile attribution bias moderated the effect of workplace ostracism on emotional exhaustion and unethical behaviour. CONCLUSION Workplace ostracism was an important interpersonal factor predicting unethical behaviour. Nurse supervisors should establish a harmonious interpersonal environment and be aware of hostile attribution bias to prevent nurses' unethical behaviour. IMPACT Workplace ostracism is a pervasive phenomenon in the nursing workplace that contributes to unethical behaviour. Nurse supervisors and staff should together establish harmonious working environments without workplace ostracism. Nurse supervisors should pay attention to nurses' emotions and conduct psychological counselling to minimize the negative effects of workplace ostracism. This study contributed to understanding how and why nurses engaged in unethical behaviour.
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Affiliation(s)
- Lei Qi
- Department of Human Resource and Organizational Behavior, Shandong University of Finance and Economics, Jinan, China
| | - Di Cai
- Department of Human Resource Management, Shandong University, Jinan, China
| | - Bing Liu
- Department of Human Resource Management, Shandong University, Jinan, China
| | - Taiwen Feng
- Department of Business Administration, Harbin Institute of Technology (Weihai), Weihai, China
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Wang Z, Liu J, Shan H, Li G, Wang Z, Si Z, Cai D, Qin P. A polyvinyl alcohol‐based mixed matrix membrane with uniformly distributed Schiff base network‐1 for ethanol dehydration. J Appl Polym Sci 2020. [DOI: 10.1002/app.49308] [Citation(s) in RCA: 3] [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: 02/04/2023]
Affiliation(s)
- Zhanbin Wang
- National Energy R&D Center for BiorefineryBeijing University of Chemical Technology Beijing People's Republic of China
| | - Jiahao Liu
- National Energy R&D Center for BiorefineryBeijing University of Chemical Technology Beijing People's Republic of China
| | - Houchao Shan
- National Energy R&D Center for BiorefineryBeijing University of Chemical Technology Beijing People's Republic of China
| | - Guozhen Li
- National Energy R&D Center for BiorefineryBeijing University of Chemical Technology Beijing People's Republic of China
| | - Ze Wang
- National Energy R&D Center for BiorefineryBeijing University of Chemical Technology Beijing People's Republic of China
| | - Zhihao Si
- National Energy R&D Center for BiorefineryBeijing University of Chemical Technology Beijing People's Republic of China
| | - Di Cai
- National Energy R&D Center for BiorefineryBeijing University of Chemical Technology Beijing People's Republic of China
| | - Peiyong Qin
- National Energy R&D Center for BiorefineryBeijing University of Chemical Technology Beijing People's Republic of China
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