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中国精品科技期刊2020
遇世友,李卓航,王鑫,等. 基于分子印迹电化学技术的农药残留检测传感器的研究进展J. 食品工业科技,2026,47(8):1−16. doi: 10.13386/j.issn1002-0306.2025040199.
引用本文: 遇世友,李卓航,王鑫,等. 基于分子印迹电化学技术的农药残留检测传感器的研究进展J. 食品工业科技,2026,47(8):1−16. doi: 10.13386/j.issn1002-0306.2025040199.
YU Shiyou, LI Zhuohang, WANG Xin, et al. Recent Advances Molecularly-Imprinted Electrochemical Sensors for Pesticide Residue DetectionJ. Science and Technology of Food Industry, 2026, 47(8): 1−16. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2025040199.
Citation: YU Shiyou, LI Zhuohang, WANG Xin, et al. Recent Advances Molecularly-Imprinted Electrochemical Sensors for Pesticide Residue DetectionJ. Science and Technology of Food Industry, 2026, 47(8): 1−16. (in Chinese with English abstract). doi: 10.13386/j.issn1002-0306.2025040199.

基于分子印迹电化学技术的农药残留检测传感器的研究进展

Recent Advances Molecularly-Imprinted Electrochemical Sensors for Pesticide Residue Detection

  • 摘要: 随着食品安全问题的日益凸显,农副食品的农药残留已成为核心关注点之一。近年来,将分子印迹技术(Molecular Imprinting Technology,MIT)与电化学传感器相结合的新型分子印迹电化学传感器(Molecularly imprinted electrochemical sensors,MIECS),凭借其高选择性、便捷高效等优势,逐渐成为食品农残检测领域的前沿研究方向。本文回顾了分子印迹聚合物(Molecular Imprinting Polymers, MIPs)的制备方法和MIECS的基本原理及类型。在此基础上,重点从电化学分析角度出发,综述了MIECS在农药残留检测中的研究进展,涵盖分子印迹电流型传感器、分子印迹电化学阻抗传感器以及电化学-光学联用传感器,并对不同电化学分析方法的适用场景进行了总结,其表明MIECS可以通过优化MIPs合成策略显著提升对目标农药的选择性,高电化学活性电极修饰材料能有效放大检测信号,且针对不同农药的电化学特性,适配特定的电化学分析技术是对其特异性检测的关键。展望未来,MIECS在农药残留快速检测领域向更高便携性、智能化及检测效率等方面的发展,仍面临诸多挑战。

     

    Abstract: With growing concerns regarding food safety, pesticide residues in agricultural products have become a core issue. In recent years, new molecularly imprinted electrochemical sensors (MIECS), formed by integrating molecular imprinting technology (MIT) with electrochemical sensors, have become a leading approach in the detection of pesticide residues in food due to their high selectivity, convenience, and efficiency. The preparation methods of molecularly imprinted polymers (MIPs) and the fundamental principles and types of MIECS are reviewed in this paper. Building on this foundation, the research progress of MIECS in pesticide residue detection is focused on encompassing molecularly imprinted amperometric sensors, molecularly imprinted electrochemical impedance sensors and molecularly imprinted electrochemiluminescence sensors from the perspective of electrochemical analysis. The applications of different electrochemical analysis methods are also summarized. It is demonstrated that the selectivity of MIECS for target pesticides can be significantly enhanced through optimization of MIPs synthesis strategies. Additionally, detection signals can be effectively amplified by electrode modification materials exhibiting high electrochemical activity. Crucially, the achievement of specific detection is critically determined by the selection of appropriate electrochemical analysis techniques tailored to the distinct electrochemical properties of different pesticides. Looking ahead, the development of MIECS for rapid pesticide residue detection towards enhanced portability, automation, and detection efficiency still confronts significant challenges.

     

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