武汉工程大学学报2018，Vol.40Issue(1)：40-45,6.DOI:10.3969/j.issn.1674-2869.2018.01.007
Au@Ag纳米粒子表面增强拉曼光谱法高灵敏检测孔雀石绿
Highly Sensitive Detection of Malachite Green by Surface-Enhanced Raman Scattering Method Using Au@Ag Nanoparticles
摘要
Abstract
Au@Ag nanoparticles with excellent surface enhancement were synthesized by a seeded growth-ascorbic acid reduction. Through optimizing the molar ratio of Ag/Au, the volume of Au@Ag nanoparticles,the volume of auxiliary H(the mixture of KBr and NaCl)and the adding order of auxiliary H and tested samples,a highly sensitive and rapid qualitative detection of malachite green(MG)was achieved with a portable Raman spectrometer,whose detection limit was 0.5μg/L with a linear range from 0.5μg/L to 10μg/L (R2 =0.991). This detection method was also applied in the determination of MG in a shrimp sample from Baishazhou market of Wuhan,and no MG was found. However,the solution containing 10 μg/L MG were detected with strong signals. This detection method is expected to be used in detecting MG for the aquatic products.关键词
Au@Ag纳米粒子/表面增强拉曼光谱/孔雀石绿/高灵敏检测/基围虾Key words
Au@Ag nanoparticles/surface enhanced Raman scattering/malachite green/high sensitivity detection/shrimp分类
化学化工引用本文复制引用
王利华,王佳慧,韩艳云,朱运峰,吴文辉,肖康飞,战艺芳,曾令文..Au@Ag纳米粒子表面增强拉曼光谱法高灵敏检测孔雀石绿[J].武汉工程大学学报,2018,40(1):40-45,6.基金项目
湖北省自然科学基金(ZRMS2017001031) （ZRMS2017001031）
