Journal
POLYMERS
Volume 15, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/polym15010187
Keywords
molecular imprinting; electrochemical biomimetic sensors; small-molecule chemical contaminants
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Environmental chemical contaminants in food have a serious impact on human health and food safety. Molecularly imprinted polymers (MIPs) based on electrochemical biomimetic sensors offer a promising solution for detecting emerging chemical contaminants. The use of MIPs overcomes the limitations of conventional detection methods and enables efficient, sensitive, and cost-effective detection of contaminants.
Environmental chemical contaminants in food seriously impact human health and food safety. Successful detection methods can effectively monitor the potential risk of emerging chemical contaminants. Among them, molecularly imprinted polymers (MIPs) based on electrochemical biomimetic sensors overcome many drawbacks of conventional detection methods and offer opportunities to detect contaminants with simple equipment in an efficient, sensitive, and low-cost manner. We searched eligible papers through the Web of Science (2000-2022) and PubMed databases. Then, we introduced the sensing mechanism of MIPs, outlined the sample preparation methods, and summarized the MIP characterization and performance. The classification of electrochemistry, as well as its advantages and disadvantages, are also discussed. Furthermore, the representative application of MIP-based electrochemical biomimetic sensors for detecting small molecular chemical contaminants, such as antibiotics, pesticides, toxins, food additives, illegal additions, organic pollutants, and heavy metal ions in food, is demonstrated. Finally, the conclusions and future perspectives are summarized and discussed.
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