Issue 2, 2022

Recent progress in fluorescent aptasensors for the detection of aflatoxin B1 in food

Abstract

Aflatoxin B1 pollution is one of the most critical issues of food safety and has been categorized as a group I carcinogen by the International Agency for Research on Cancer. Aflatoxin B1 exists in various foods and feedstuff products and can be produced and contaminate food products in all processes, including growth, harvest, storage, or processing. Therefore, it is of great value for detecting and on-site monitoring aflatoxin B1. Aptamers are short single-stranded DNA or RNA obtained from the nucleic acid molecular library through SELEX. With advantages of high specificity, large affinity, and easy modification, aptasensors have become popular in a wide range of promising applications. This review focuses on recent advances on fluorescent aptamer sensors for the detection of aflatoxin B1, including their design strategies, working mechanisms, and applications to on-site detection. Finally, the current challenges and prospects are discussed.

Graphical abstract: Recent progress in fluorescent aptasensors for the detection of aflatoxin B1 in food

Article information

Article type
Minireview
Submitted
09 Okt. 2021
Accepted
22 Nov. 2021
First published
13 Dec. 2021

Anal. Methods, 2022,14, 86-96

Recent progress in fluorescent aptasensors for the detection of aflatoxin B1 in food

Y. Chen, Anal. Methods, 2022, 14, 86 DOI: 10.1039/D1AY01714D

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