期刊
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fbioe.2021.727886
关键词
Food safety; artificial enzyme; colorimetric assays; peroxidase activity; enzyme mimics
资金
- National Natural Science Foundation of China [31801638, 32060579]
- Fund of Key Laboratory of Fermentation Engineering (Ministry of Education) [202105FE09]
- Hainan University Start-Up Scientific Research Projects of China [KYQD(ZR)-21044]
Nanozymes possess high enzyme-mimicking activity, stability, and cost-effectiveness, making them valuable in biosensing and immunoassay. They have been used to enhance analytical techniques for food contaminants detection, but further research and application in this area is needed. Engineering and modification of nanozymes offer potential for improved classification and detection of food contaminants.
Nanozymes own striking merits, including high enzyme-mimicking activity, good stability, and low cost. Due to the powerful and distinguished functions, nanozymes exhibit widespread applications in the field of biosensing and immunoassay, attracting researchers in various fields to design and engineer nanozymes. Recently, nanozymes have been innovatively used to bridge nanotechnology with analytical techniques to achieve the high sensitivity, specificity, and reproducibility. However, the applications of nanozymes in food applications are seldom reviewed. In this review, we summarize several typical nanozymes and provide a comprehensive description of the history, principles, designs, and applications of nanozyme-based analytical techniques in food contaminants detection. Based on engineering and modification of nanozymes, the food contaminants are classified and then discussed in detail via discriminating the roles of nanozymes in various analytical methods, including fluorescence, colorimetric and electrochemical assay, surface-enhanced Raman scattering, magnetic relaxing sensing, and electrochemiluminescence. Further, representative examples of nanozymes-based methods are highlighted for contaminants analysis and inhibition. Finally, the current challenges and prospects of nanozymes are discussed.
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