四苯乙烯类聚集诱导发光材料在食品安全检测中的应用

Application of tetraphenylethylene-based aggregation-induced emission materials in food safety testing

食品安全对人们的身心健康至关重要,快捷、精准、灵活和直观的检测方法是保障食品安全的重要手段。聚集诱导发光(aggregation-inducedemission,AIE)材料是近年来提出的一种新型荧光材料,该材料具有可调节的光学特性、良好的光学性能及较好的抗干扰性,并以背景值低、信号强度高的优势在食品安全检测领域展现出广阔的应用前景。四苯乙烯(tetraphenylethylene,TPE)是最具有代表性的AIE分子之一,具有合成简便、易功能化及优异的AIE效应等优点。本文对TPE类AIE材料的发光机制,以及近年来在食品安全领域中的应用研究进展进行了综述,重点总结和分析TPE衍生物在真菌毒素、农兽药残留、重金属离子、食品添加剂、致病微生物等方面的研究进展,并对目前存在的问题和应用前景进行了总结和展望,旨在激发新的研究思路和兴趣,推进传感技术的发展,促进TPE类AIE材料的多元化应用。

Food safety is very important to people’s physical and mental health.Fast,accurate,flexible and intuitive detection methods are important means to ensure food safety.Aggregation-induced emission(AIE)material is a new kind of fluorescent material proposed in recent years,which has adjustable optical properties,good optical performance and good anti-interference with the advantages of low background value and high signal intensity,it shows a broad application prospect in the field of food safety detection.Tetraphenylethylene(TPE)is one of the most representative AIE molecules,which has the advantages of simple synthesis,easy functionalization and excellent AIE effect.This paper reviewed the luminescence mechanism of TPE-based AIE materials and its application in the field of food safety in recent years,emphatically summarized and analyzed the research progress of TPE derivatives in the detection of mycotoxins,residues of agricultural and veterinary drugs,heavy metal ions and food additives,pathogenic microorganisms and other aspects.Finally,this paper summarized and prospected the existing problems and application prospects,aiming to stimulate new research ideas and interests,promote the development of sensing technology,and promote the diversified applications of TPE-based AIE materials.