Application in Paper-based Sensors Based on Smart Materials for Joint Detection of Mycotoxins
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(1.College of Food Science, Southwest University, Chongqing 400715;2.Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing 400715)

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    Abstract:

    Agricultural products, food and feed are often contaminated by many mycotoxins. The development of high-throughput mycotoxin rapid detection products, which are used to detect multiple toxins is one of the key directions. Among the current mainstream rapid detection products, traditional paper-based sensors with colloidal gold as signal markers are mostly used to detect a single toxin, with limited information and low sensitivity. The multi-toxin paper-based sensor uses multi-toxins to couple multi-antigens, which is lower in cost and time-consuming, but the detection sensitivity is affected by the change of the test sample liquid volume. In recent years, paper-based sensors constructed with advanced materials such as precious metal nanoparticles, quantum dots, carbon nanomaterials, up-conversion particles, lanthanide metal nanoparticles, which can improve the performance of multi-toxin paper-based sensors. And they have gradually become a research for hot spot of rapid detection of multiple mycotoxins. The author summarized the detection principle and composition of multiplexed paper-based sensors, and then reviewed the applications of paper-based sensors based on advanced materials reported in the past years for simultaneous detection of multiple mycotoxins, with a view to rapid and joint detection of multiple mycotoxins.

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History
  • Received:August 19,2021
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  • Online: May 26,2022
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