食品与发酵工业2024，Vol.50Issue(14)：321-327,7.DOI:10.13995/j.cnki.11-1802/ts.037180
金银合金纳米星/聚氯乙烯柔性表面增强拉曼基底的制备及其对毒死蜱的检测
Fabrication of gold-silver alloy nanostars/polyvinyl chloride flexible surface-enhanced Raman scattering substrate and its detection for chlorpyrifos
摘要
Abstract
A gold-silver alloy nanostars/polyvinyl chloride flexible surface-enhanced Raman scattering(SERS)substrate was fabrica-ted,which has the advantages of high transparency,strong flexibility,and remarkable SERS enhancement performance.During the fabri-cation process of composite substrate,the addition amount of polyvinyl chloride(PVC)was optimized to obtain a flexible PVC substrate first.Meanwhile,the volume ratio of chloroauric acid/silver nitrate was optimized to prepare the anisotropic gold-silver alloy nanostars(Au@Ag NSs)with distinctive shape and significant SERS enhanced effect.Then,4-mercaptobenzoic acid,a Raman signal molecule,was detected by Raman spectrometer to determine its SERS intensity on the composite substrate,and the optimal concentration of the Au@Ag NSs solution was determined,which further verified the good SERS effect,reproducibility,and stability of the substrate.Finally,it was successfully applied to the detection of chlorpyrifos residue on apple surface.关键词
金银合金纳米星/聚氯乙烯/柔性表面增强拉曼光谱基底/毒死蜱Key words
gold-silver alloy nanostars(Au@Ag NSs)/polyvinyl chloride(PVC)/flexible surface-enhanced Raman spectroscopy sub-strate/chlorpyrifos引用本文复制引用
宋芷仪,崔琅,潘越,娄勤卿,王书婷,王周平,马小媛..金银合金纳米星/聚氯乙烯柔性表面增强拉曼基底的制备及其对毒死蜱的检测[J].食品与发酵工业,2024,50(14):321-327,7.基金项目
无锡市社会发展科技示范工程项目(N20201001) （N20201001）
