纳米催化-表面增强拉曼散射光谱检测环境污染物进展  

Progress of Nanocatalysis Surface-enhanced Raman Scattering Spectroscopy in the Analysis of Environmental Pollutants

作　　者：温桂清[1,2] 梁爱惠[2] 蒋治良[2] WEN Guiqing;LIANG Aihui;JIANG Zhiliang(Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection(Guangxi Normal University),Ministry of Education,Guilin Guangxi 541006,China;College of Environment and Resources,Guangxi Normal University,Guilin Guangxi 541006,China)

机构地区：[1]珍稀濒危动植物生态与环境保护教育部重点实验室(广西师范大学),广西桂林541006 [2]广西师范大学环境与资源学院,广西桂林541006

出　　处：《广西师范大学学报（自然科学版）》2022年第5期199-215,共17页Journal of Guangxi Normal University:Natural Science Edition

基　　金：国家自然科学基金(21667006,21767004);广西自然科学基金(2018GXNSFAA138019)。

摘　　要：表面增强拉曼散射(SERS)技术是近年来快速发展的一种分析手段,具有简便、快速、灵敏度高、识别能力强和选择性好等优点。SERS技术的灵敏度和重现性高度依赖于其基底的性质,是目前SERS定量研究的热点。结合本课题组的工作,本文综述了纳米金、纳米银、复合纳米材料等SERS分析测定中常用纳米溶胶基底的特性及其制备方法,重点介绍SERS技术结合适配体反应、免疫反应以及包括分子印迹、微流控、薄层扫描等多种技术在内的其他反应作为提高选择性和灵敏度的手段用于环境污染物分析的研究现状,概括了金属(氧化物)纳米颗粒、碳量子点、共价有机框架(COF)、金属有机框架(MOF)等纳米尺寸物质的催化性能和制备方法,结合纳米酶的催化作用和分子反应放大SERS信号,构建的纳米溶胶SERS定量分析方法具有高灵敏度和高选择性的优点。本文主要针对基底制备、纳米催化等SERS定量研究的热点及其在环境污染物分析中的应用进行综述,希望对SERS定量分析理论研究、SERS技术的应用拓展提供积极参考。Surface-enhanced Raman scattering(SERS)technique is a rapidly developing analytical method in recent years.It has the advantages of simplicity,rapidity,high sensitivity,strong recognition ability and good selectivity.The sensitivity and reproducibility of SERS technology are mainly dependent on the properties of its substrate,which is the hotspot of SERS quantitative research at present.Based on the work of our group,this paper summarized the properties and preparation methods of nanosol substrates commonly used in SERS analysis and determination,such as nanogold,nanosilver and composite nanomaterials.The research status quo of SERS technology combined with aptamer reaction,immune reaction and other reactions including molecular imprinting,microfluidic and thin layer scanning as a means to improve the selectivity and sensitivity of environmental pollutants analysis was introduced.In addition,the catalytic properties of nanoscale materials and preparation methods of the metal(oxide)nanoparticles,carbon quantum dots,covalent organic framework(COF),and metal organic framework(MOF)were summed up.Combining with nanoenzyme catalysis and molecular reaction used for amplification SERS signals,the quantitative analysis method of nanosol SERS had the advantages of high sensitivity and high selectivity.In conclusion,this paper mainly summarized the hot spots of SERS quantitative research such as substrate preparation and nanocatalysis and its application in the analysis of environmental pollutants in order to provide a positive reference for theoretical research on SERS quantitative analysis and expand the application of SERS technology.

关 键 词：表面增强拉曼散射 基底 纳米溶胶 催化放大 污染物分析 

分 类 号：O657.3[理学—分析化学] X830[理学—化学]