数字农科院2.0

Copper-zinc nanoparticle-decorated nitrogen-doped carbon composite for electrochemical determination of triclosan

文献类型： 外文期刊

作者： Zhou J.;Li Y.;Li Y.;Lan J.;Zhao Z.;Shi R.

作者机构：

关键词： Bimetallic;Differential pulse voltammetry;Electrochemical detection;MOF-derived carbon;Triclosan

期刊名称： Microchimica Acta

ISSN： 0026-3672

年卷期： 2024 年 191 卷 3 期

页码：

收录情况： SCIE（2024版） ; ; EI（2024版）

摘要： A new sensor based on copper-zinc bimetal embedded and nitrogen-doped carbon-based composites (CuZn@NC) was prepared for triclosan (TCS) detection by pyrolyzing the precursor of Cu–Zn binuclear metal–organic framework (MOF). The performance for detecting TCS was evaluated using linear scanning voltammetry (LSV) and differential pulse voltammetry (DPV), and the proton and electron numbers during TCS oxidation have been proved to be one-to-one. The results indicated that CuZn@NC can present a satisfactory analysis performance for TCS detection. Under the optimized conditions, the linear response range was 0.2–600 µM and the detection limit was 47.9 nM. The sensor presented good stability (signal current dropped only 2.5% after 21 days) and good anti-interference of inorganic salts and small molecular organic acids. The good recovery (97.5–104.1%) for detecting spiked TCS in commercial products (toothpaste and hand sanitizer) suggested its potential for routine determination of TCS in real samples. Graphical abstract: (Figure presented.). © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2024.

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