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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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.