分子印迹表面等离子共振传感器在食品安全检测中的最新研究进展

分子印迹聚合物具有空间结构选择性高、稳定性好和制备过程简单等特点,结合表面等离子共振传感器,可用于分子间相互作用和结合特性的研究。随着石墨烯、量子点等纳米材料的出现和广泛应用,基于分子印迹技术的表面等离子共振传感器的灵敏度获得了改善,促进了该技术在食品安全检测领域的快速发展。该文基于分子印迹技术简要介绍了表面等离子共振传感器芯片的制备技术、分析体系及其优点,重点分析了国内外将分子印迹-表面等离子共振传感器用于食品安全检测的最新研究成果,阐释了分子印迹-表面等离子共振技术的优势,并展望了该技术在食品安全分析领域的发展趋势。

Recent Advances in Application of Surface Plasmon Resonance Sensors Based on Molecular Imprinted Polymers in Food Safety Detection

With the advantages of high selective discrimination,good stability and simple preparation, the molecular imprinted polymers(MIPs) can be modified on surface plasmon resonance sensors,in order to study the binding properties and interactions between molecules.The sensitivity of surface plasmon resonance(SPR) sensors,based on molecular imprinted technology(MIP-SPR),was improved a lot with applications of quantum dot and other nanomaterials like graphene,and therefore,promoting the application of this technology in the food safety analysis.In this paper,the preparation technologies,analysis principles and advantages of MIP-SPR sensors were briefly introduced,and its new applications in food safety were deeply analyzed.Finally,the development trends of MIP-SPR sensors were discussed.