文献类型： 外文期刊

作者： Wang, Yingwen;Chi, Jingtian;Bi, Fan;Du, Qingbao;Zhou, Shanding;Wen, Siyu;Xiang, Zhenbo B.;Ju, Peng

作者机构：

关键词： Zn-3(OH)(2)V2O72H(2)O;2H(2)O nanobelts were developed as novel peroxidase mimics to establish a rapid and ultrasensitive colori-metric sensing platform for detecting H2O2 and glucose

期刊名称： JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS

ISSN： 1574-1443

年卷期： 2025 年

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： In this study, Zn-3(OH)(2)V2O72H(2)O nanobelts (ZVNBs) with larger specific surface area were prepared by the hydrothermal method, which were employed as a peroxidase mimic for the first time. In the presence of H2O2, ZVNBs nanozyme presented an excellent peroxidase mimetic capacity to catalyze the oxidation of chromogenic compound 3,3 ',5,5 '-tetramethylbenzidine. Kinetic analysis explicitly verified that the catalytic reaction of ZVNBs adhered to the ping-pong mechanism, and O-2(-) served as the primary active radicals responsible for the oxidation of TMB according to the capture tests. Based on the superior peroxidase-like activity of ZVNBs, a rapid and sensitive colorimetric platform was established for the detection of H2O2 and glucose. The linear detection ranges were 1-25 mu M for H2O2 and 10-250 mu M for glucose, while the detection of limits were 0.71 mu M and 4.43 mu M, respectively. Furthermore, the colorimetric biosensor showed a good stability, selectivity, anti-interference, and reusability. Notably, the colorimetric sensing system bestowed its success upon qualitative detection of H2O2 and glucose in real samples. This study provides a novel strategic approach for the synthesis of a peroxidase mimic boasting extraordinary catalytic efficiency, while simultaneously enlarging the utility spectrum of zinc pyrovanadate to include areas such as environmental preservation, food safety and biomedicine.

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