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22. Association between body mass index and health-related quality of life among Chinese elderly—evidence from a community-based study

Author

Hua You, Xiao-lu Li, Kang-zhen Jing, Zhi-guang Li, Hong-mei Cao, Jin Wang, Lan Bai, Jing-hong Gu, Xiaoman Fan, and Hai Gu

Subjects
Body mass index, Quality of life, Elderly, Public aspects of medicine, RA1-1270
Abstract

Abstract Background This study aimed to explore the effects of (body mass index) BMI on health related quality of life (HRQoL) among the elderly in Jiangsu, China. Methods A total of 10,257 community dwelling elderly (≥60 years old) were enrolled in a cross-sectional study. HRQoL was measured via the Eq-5d-3 L. Chi-square tests and one-way ANOVA analyses were used to compare the frequencies and scores of Eq-5d responses among different BMI groups (defined as “underweight”, “normal weight”, “overweight” and “obese”). Logistic regression analyses were conducted to examine the associations between BMI and HRQoL. Results Among the subjects, the proportion of “normal weight”, “underweight”, “overweight” and “obese” were 66.0, 8.3, 23.1, and 2.6%, respectively. The score of the Eq-5d index among total participants was 0.8036 and the Visual Analog Scale (VAS) score was 75.47. For both the responses frequency and scores of Eq-5d-3 L, there were significant differences among BMI groups (P

Published
2018
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24. Chinese Experts Consensus on Biologic Therapy for Psoriasis#

Author

Chen, Ai-Jun, Gao, Xing-Hua, Gu, Heng, Gu, Jun, Hao, Fei, Jiang, Xian, Jin, Hong-Zhong, Kang, Xiao-Jing, Li, Cheng-Xin, Li, Yu-Zhen, Liu, Xiao-Ming, Shi, Yu-Ling, Sun, Qing, Wang, Gang, Yang, Bin, Zhang, Jun-Ling, Zhang, Xi-Bao, Zhang, Xue-Jun, Zhao, Yi, and Zheng, Min

Published
2020
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35. The Impact of Board Characteristics on R&D Intensity: The Case of Chinese Machinery Industry

Author

Song, Zhi-Hong, Kang, Wen-Jing, TaoNie, and Dai-Jiao Zhou

Subjects
board characteristics, R&D intensity, corporate governance structure
Abstract

With the acceleration of technology development, enterprises must increase R&D investment to obtain competitive advantage. Well-designed corporate governance structure can reduce the agency cost, and may solve the problem of insufficient R&D investment. Taking 182 A-share listed companies in Chinese machinery industry as sample, this paper investigates the impact of board characteristics on firms’ R&D intensity. The results show that the CEO and board chair duality, the size of the board of directors, and the number of board meetings have no significant impacts on R&D intensity, while the proportion of independent directors and the shareholding proportion of the board of directors have significant positive impacts on R&D intensity., {"references":["] Klein, A. A firm performance and boardcommittee structures[J]. Journal of Law and Economics, 1998, 41: 275-303","Jensen, M. The modern industrial revolution, exit, and the failure of internal control system[J]. Journalof Finance,1993, 48(3) : 831-880.","Adams, R.& Mehran, H. Board structure and banking firm performance[EB/OL], Working Paper, FederalReserve Bank of New York, 2002.","Nikos, V. Board meeting frequency and firm performance[J]. Journal of Financial Economics, 1999, 53(1) : 113-142","Murphy, K. J. Corporate performance and managerial remuneration: An empirical analysis[J].Journal of Accounting and Economics,1985, 7(1-3) : 11-42","Francis, J. & Smith, A. Agency costs and innovation:Some empirical evidence[J].Journal of Accounting and Economics, 1995, 19(2) : 383-409."]}

Published
2023
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39. Ag Anchored Atomically Around Nanopores of Porous Co(OH)2 for Efficient Bifunctional Oxygen Catalysis.

Author

Li, Zhe, Kang, Wen‐Jing, Liu, Hui, Du, Xi‐Wen, Wang, Fei, Song, Yun, Liu, Yang, Sun, Da‐Lin, and Fang, Fang

Subjects
*BIFUNCTIONAL catalysis, *NANOPORES, *CATALYTIC activity, *REACTIVE oxygen species, *ENERGY storage, *DIFFUSION, *ELECTROCATALYSIS, *CATALYST synthesis
Abstract

Various clean energy storage and conversion systems highly depend on rational design of efficient electrocatalysts for oxygen reactions. Increasing both gas molecular diffusion and intrinsic activity is critical to boosting its efficiency for bifunctional oxygen electrocatalysis. However, controllable synthesis of catalysts that combines gas molecular diffusion and intrinsic activity remains a fundamental challenge. Herein, a two‐step synthetic strategy is adopted to fabricate a composite oxygen reduction reaction (ORR)/oxygen evolution reaction (OER) bifunctional catalyst (P‐Ag‐Co(OH)2), of which, atomic Ag is anchored in reactive oxygen atoms around nanopores of Co(OH)2 nanosheets. Abundant nanopores provide enough gas molecular diffusion channels, and the special Ag‐O‐Co‐OH catalytic groups around nanopores display high intrinsic catalytic activity, which jointly result in an excellent ORR/OER performance. In alkaline electrolyte, P‐Ag‐Co(OH)2 displays a high half‐wave potential (0.902 V versus RHE) for ORR, and a low overpotential (235 mV at 10 mA cm−2) for OER, which is superior to non‐noble catalysts in previous studies and Pt/C (Ir/C) catalyst. At the same time, the single‐cell zinc‐air battery is prepared with an extremely high discharge peak power density of 435 mW cm−2 and excellent discharge–charge cycle stability. [ABSTRACT FROM AUTHOR]

Published
2023
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50. Strain‐Activated Copper Catalyst for pH‐Universal Hydrogen Evolution Reaction.

Author

Kang, Wen‐Jing, Feng, Yi, Li, Zhe, Yang, Wen‐Qi, Cheng, Chuan‐Qi, Shi, Zi‐Zheng, Yin, Peng‐Fei, Shen, Gu‐Rong, Yang, Jing, Dong, Cun‐Ku, Liu, Hui, Ye, Fu‐Xing, and Du, Xi‐Wen

Subjects
*HYDROGEN evolution reactions, *COPPER catalysts, *CATALYSTS, *PLASMA spraying, *WATER electrolysis, *CATALYTIC activity, *ALKALINE solutions
Abstract

Developing low‐cost and high‐activity pH‐universal hydrogen evolution reaction (HER) catalysts is very crucial to the industrialization of water electrolysis. However, the high price, low yield, and poor stability of current HER catalysts make them difficult to meet practical requirements. Herein, a plasma spraying technique is employed to prepare self‐supported Cu catalysts with tensile strain for the first time. The tensile strain upshifts the d‐band of Cu, improves the water dissociation and H* adsorption, eventually improves the intrinsic HER catalytic activity. As such, Cu electrode achieves overpotentials of 182 mV in 0.5 m H2SO4, 261 mV in 1 M PBS, and 121 mV in 1 M KOH at 10 mA cm–2. In addition, Cu electrode also performs well at high current densities, the overpotentials at 1 A cm–2 are much lower than those of Pt foil in acid, neutral, and alkaline solutions. [ABSTRACT FROM AUTHOR]

Published
2022
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