基于纳米氧化铈的非酶电化学传感器用于快速检测食品样品中的过氧化氢残留量†.

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEJ Transactions on Electrical and Electronic Engineering Pub Date : 2024-05-02 DOI:10.1002/tee.24097

Wei Shen, Jiaci Shi, Xuefeng Wang, Pengcheng Xu, Xinxin Li

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引用次数: 0

摘要

食品安全对过氧化氢（H2O2）残留的快速、简单检测方法有很高的要求。本文以纳米氧化铈为高活性非酶催化剂，开发了一种电化学 H2O2 传感器。这种一次性传感器与提高导电性的碳黑相结合，可测定 100 至 100 μM 范围内的 H2O2，检测限 (LOD) 为 100 nM。该传感器还具有良好的选择性和再现性，无需任何预处理，100 秒内就能检测真实食品样品中的 H2O2，为直接定量检测 H2O2 残留提供了新的解决方案，从而保障食品安全。© 2024 日本电气工程师学会和 Wiley Periodicals LLC。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Non-Enzymatic Electrochemical Sensor Based on Cerium Oxide Nanocubes for the Rapid Detection of Hydrogen Peroxide Residues in Food Samples†

The rapid and simple detection methods of hydrogen peroxide (H₂O₂) residues is highly required for food safety. Herein, an electrochemical H₂O₂ sensor is developed with cerium oxide nanocubes as highly active non-enzymatic catalyst. Combined with carbon black to improve conductivity, the disposable sensor can determine H₂O₂ in the range from 100 to 100 μM with a limit of detection (LOD) of 100 nM. This sensor also shows good selectivity and reproducibility, which is enabled to detect H₂O₂ in real food samples without any pretreatment in 100 s, providing a new solution for the direct quantitative measurement of H₂O₂ residues for food safety. © 2024 Institute of Electrical Engineers of Japan and Wiley Periodicals LLC.

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来源期刊

IEEJ Transactions on Electrical and Electronic Engineering 工程技术-工程：电子与电气

CiteScore

2.70

自引率

10.00%

发文量

199

审稿时长

4.3 months

期刊介绍： IEEJ Transactions on Electrical and Electronic Engineering (hereinafter called TEEE ) publishes 6 times per year as an official journal of the Institute of Electrical Engineers of Japan (hereinafter "IEEJ"). This peer-reviewed journal contains original research papers and review articles on the most important and latest technological advances in core areas of Electrical and Electronic Engineering and in related disciplines. The journal also publishes short communications reporting on the results of the latest research activities TEEE ) aims to provide a new forum for IEEJ members in Japan as well as fellow researchers in Electrical and Electronic Engineering from around the world to exchange ideas and research findings.