A review of a colorimetric biosensor based on Fe₃O₄ nanozymes for food safety detection.

IF 3.8 2区化学 Q1 BIOCHEMICAL RESEARCH METHODS

Analytical and Bioanalytical Chemistry Pub Date : 2024-12-13 DOI:10.1007/s00216-024-05679-x

Ningning Guo, Jia Yang, Yixuan Li, Weiing Wang, Xiwen Liang, Qi Xu, Linna Du, Jing Qin

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引用次数: 0

Abstract

The issue of food safety poses a significant threat to human health. The colorimetric sensing method offers a highly sensitive response, visualization, and easy operation, making it highly promising for applications in the field of bioanalysis. Fe₃O₄ nanomaterials not only possess the advantages of a straightforward preparation method, customizable functionalities, and facile surface modification, but also exhibit excellent peroxidase activity. The colorimetric biosensor based on a Fe₃O₄ nanozyme is highly sensitive and has a low detection limit, making it widely recognized in the field of food safety detection. The review provides a summary of synthesis methods for Fe₃O₄ nanozymes and discusses the effects of different synthesis methods on their structures. Additionally, the catalytic mechanism of the Fe₃O₄ nanozyme and the influence of particle size, structure, pH, metal doping, and surface modifications on the peroxide activity are analyzed. Finally, we introduce the application of colorimetric sensors based on Fe₃O₄ nanozymes in detecting antioxidants, heavy metal ions, pesticides, antibiotics, foodborne pathogen toxins, and other food additives and contaminants. This review is expected to provide reference and inspiration for future research on food safety detection through colorimetric sensors based on Fe₃O₄ nanozymes.

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基于Fe3O4纳米酶的食品安全比色生物传感器研究进展。

食品安全问题对人类健康构成重大威胁。该比色传感方法具有响应灵敏、可视化、操作简便等特点，在生物分析领域具有广阔的应用前景。Fe3O4纳米材料不仅具有制备方法简单、功能可定制、表面修饰方便等优点，而且还具有优异的过氧化物酶活性。基于Fe3O4纳米酶的比色生物传感器灵敏度高，检出限低，在食品安全检测领域得到广泛认可。本文综述了Fe3O4纳米酶的合成方法，并讨论了不同合成方法对其结构的影响。此外，还分析了Fe3O4纳米酶的催化机理，以及Fe3O4纳米酶的粒径、结构、pH、金属掺杂和表面修饰对其过氧化活性的影响。最后，介绍了基于Fe3O4纳米酶的比色传感器在检测抗氧化剂、重金属离子、农药、抗生素、食源性病原体毒素以及其他食品添加剂和污染物等方面的应用。本文的研究成果有望为今后基于Fe3O4纳米酶的比色传感器食品安全检测研究提供参考和启示。

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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来源期刊

Analytical and Bioanalytical Chemistry 化学-分析化学

CiteScore

8.00

自引率

4.70%

发文量

638

审稿时长

2.1 months

期刊介绍： Analytical and Bioanalytical Chemistry’s mission is the rapid publication of excellent and high-impact research articles on fundamental and applied topics of analytical and bioanalytical measurement science. Its scope is broad, and ranges from novel measurement platforms and their characterization to multidisciplinary approaches that effectively address important scientific problems. The Editors encourage submissions presenting innovative analytical research in concept, instrumentation, methods, and/or applications, including: mass spectrometry, spectroscopy, and electroanalysis; advanced separations; analytical strategies in “-omics” and imaging, bioanalysis, and sampling; miniaturized devices, medical diagnostics, sensors; analytical characterization of nano- and biomaterials; chemometrics and advanced data analysis.