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    Article

    Zeolitic imidazolate frameworks as light-responsive oxidase-like mimics for the determination of adenosine triphosphate and discrimination of phenolic pollutants

    In this study, 3,3′,5,5′-tetramethylbenzidine (TMB) was selected as a chromogenic substrate to evaluate the light-responsive oxidase-like activity of different zeolitic imidazolate frameworks (ZIFs). The synth...

    Shi-Jun Yin, Guo-Ying Chen, Chun-Yan Zhang, Jia-Li Wang in Microchimica Acta (2022)

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    Article

    Multicolor colorimetric assay for copper ion detection based on the etching of gold nanorods

    An effective, selective, and multicolor colorimetric assay for Cu2+ detection based on the regulation of peroxidase-like nanozyme-mediated etching of gold nanorods (Au NRs) is proposed. Cu2+-creatinine complex i...

    Hang-Yu Zhou, Li-**g Peng, Tao Tian, Wei-Yi Zhang, Guo-Ying Chen in Microchimica Acta (2022)

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    Immobilized Kallikrein Microreactor Based on Capillary Electrophoresis for Online Enzyme Kinetics Analysis and Inhibitor Screening

    In this study, an online capillary electrophoresis-based immobilized enzyme microreactor (CE-IMER) was developed for evaluating inhibitory activity of small-molecule compounds and tea polyphenol extracts on ka...

    Guo-Ying Chen, Hao Zhang, Chun-Yan Zhang, Yuan Wang, Cong-Peng Zhao in Chromatographia (2021)

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    Article

    A portable personal glucose meter method for enzyme activity detection and inhibitory activity evaluation based on alkaline phosphatase-mediated reaction

    In this study, an effective and portable method for enzyme activity detection and inhibitory activity evaluation was developed based on the alkaline phosphatase (ALP)-mediated reaction in a personal glucose me...

    Hao Zhang, Guo-Ying Chen, Zheng-Ming Qian in Analytical and Bioanalytical Chemistry (2021)