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[1]王利华,王佳慧,韩艳云,等.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(01):40-45.[doi:10. 3969/j. issn. 16742869. 2018. 01. 007]
 WANG Lihua,WANG Jiahui,HAN Yanyun,et al.Highly Sensitive Detection of Malachite Green by Surface-Enhanced Raman Scattering Method Using Au@Ag Nanoparticles[J].Journal of Wuhan Institute of Technology,2018,40(01):40-45.[doi:10. 3969/j. issn. 16742869. 2018. 01. 007]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
40
期数:
2018年01期
页码:
40-45
栏目:
化学与化学工程
出版日期:
2018-02-25

文章信息/Info

Title:
Highly Sensitive Detection of Malachite Green by Surface-Enhanced Raman Scattering Method Using Au@Ag Nanoparticles
文章编号:
20180107
作者:
王利华王佳慧韩艳云朱运峰吴文辉肖康飞战艺芳曾令文*
武汉市农业科学院环境与安全研究所,湖北 武汉 430074
Author(s):
WANG LihuaWANG JiahuiHAN YanyunZHU YunfengWU WenhuiXIAO KangfeiZHAN YifangZENG Lingwen*
Institute of Environment and Safety,Wuhan Academy of Agricultural Science,Wuhan 430074,China
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
Keywords:
Au@Ag nanoparticles surface enhanced Raman scattering malachite green highsensitivity detection shrimp
分类号:
O657.37
DOI:
10. 3969/j. issn. 16742869. 2018. 01. 007
文献标志码:
A
摘要:
采用晶种增长-抗坏血酸室温还原法有效合成了Au@Ag纳米粒子。通过进一步优化Au@Ag纳米粒子的组成和体积、助剂H(NaCl和KBr的混合溶液)的体积以及待测样品的加样顺序,在便携式拉曼光谱仪上成功实现了孔雀石绿(MG)的快速高灵敏检测。其对MG检测线性范围为0.5 μg/L~10 μg/L,线性相关系数达到0.991,实际可测最低浓度为0.5 μg/L。将本方法用于基围虾虾肉中MG的检测,直接检测未检出;用前处理液配制MG模拟样本,10 μg/L时信号明显可见。本方法有望用于水产品中MG的快速高灵敏检测。
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 0.5 μg/L with a linear range from 0.5 μg/L to 10 μg/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.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目:湖北省自然科学基金(ZRMS2017001031)作者简介:王利华,博士,助理研究员。 E-mail:[email protected]*通讯作者:曾令文,博士,研究员。 E-mail:[email protected]引文格式:王利华,王佳慧,韩艳云,等. 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.
更新日期/Last Update: 2018-02-01