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234 results on '"Mai, Fu-Der"'

10. Engineered stable electron-doping water with higher chemical activity catalyzes itself in hydrogen evolution reactions.

Author

Yu, Shih-Hao, Mai, Fu-Der, Kao, Wei-Yu, Tsai, Hui-Yen, Tsai, Teh-Hua, and Liu, Yu-Chuan

Subjects
*HYDROGEN evolution reactions, *OXYGEN evolution reactions, *HYDROGEN bonding, *DEIONIZATION of water, *DISTILLED water
Abstract

Additional huge amount of energy is required for water splitting due to strong surrounding hydrogen bonds (HBs) between water molecules. However, this underappreciated fact has not attracted the attention of scientists to shift to the research direction to the reactant water itself in hydrogen evolution reactions (HERs). In this work, we report a facile cold water-cooling method to prepare distilled water (DIW-V) with distinct structures of electron-doping and reduced HBs. Compared to bulk deionized water (DIW) which was used to prepare DIW-V, the resulting stable DIW-V exhibited distinct properties at room temperature. Examples are its ability to scavenge 2,2-diphenyl-1-picrylhydrazyl free radicals and to passivate oxidants of H 2 O 2 through utilizing its novel electron-doping structure. Also, typical electrochemical reactions performed in DIW-V were more efficient, and stronger intermolecular HBs between alcohols and DIW-V were exhibited due to its novel reduced HBs. Moreover, HERs performed on both catalytic and inert electrodes at various pH values were all more efficient when utilizing DIW-V. Experiments regarding density measurements of alcohol solutions and HER performances indicated that stabilities of the activities of DIW-V were acceptable. DIW-V was also available for more efficient oxygen evolution reaction utilizing catalytic Pt electrode in favorable alkaline solution. Our proposed DIW-V has emerged as a promising green and active reactant applicable to more-effective HERs and water-related sciences. • Active rapidly-cooled distilled water (DIW-V) with higher chemical potential. • DIW-V with novel properties of electron-doping and reduced hydrogen-bonding structures. • Engineered stable DIW-V catalyzes itself in hydrogen evolution reactions. [ABSTRACT FROM AUTHOR]

Published
2024
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46. Discovery of serum biomarkers of alcoholic fatty liver in a rodent model: C-reactive protein

Author

Wang Chia-Chi, Mai Fu-Der, Chang Chun-Chao, Cheng Chun-Chia, Liu Shu-Lin, Lee Shui-Cheng, Ho Ai-Sheng, Chen Ling-Yun, and Chang Jungshan

Subjects
alcoholic fatty liver, biomarker, C - reactive protein, haptoglobin, two-dimensional differential gel electrophoresis, Medicine
Abstract

Abstract Background Excessive consumption of alcohol contributes to alcoholic liver disease. Fatty liver is the early stage of alcohol-related liver disease. The aim of this study was to search for specific serological biomarkers of alcoholic fatty liver (AFL) compared to healthy controls, non-alcoholic fatty liver (NAFL) and liver fibrosis in a rodent model. Methods Serum samples derived from animals with AFL, NAFL, or liver fibrosis were characterized and compared using two-dimensional differential gel electrophoresis. A matrix-assisted laser desorption ionization-time of flight tandem mass spectrometer in conjunction with mascot software was used for protein identification. Subsequently, Western blotting and flexible multi-analyte profiling were used to measure the expressions of the putative biomarkers present in the serum of animals and clinical patients. Results Eight differential putative biomarkers were identified, and the two most differentiated proteins, including upregulated C-reactive protein (CRP) and downregulated haptoglobin (Hp), were further investigated. Western blotting validated that CRP was dramatically higher in the serum of AFL compared to healthy controls and other animals with liver disease of NAFL or liver fibrosis (p < 0.05). Moreover, we found that CRP and Hp were both lower in liver fibrosis of TAA-induced rats and clinical hepatitis C virus-infected patients. Conclusion The results suggest that increased levels of CRP are an early sign of AFL in rats. The abnormally elevated CRP induced by ethanol can be used as a biomarker to distinguish AFL from normal or otherwise diseased livers.

Published
2011
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