Functionalized Au nanoparticles for label-free Raman determination of ppb level benzopyrene in edible oil

被引：25
作者：
Fu, Shuyue
Guo, Xiaoyu
Wang, Hui
Yang, Tianxi
Wen, Ying
Yang, Haifeng [1 ]
机构：
[1] Shanghai Normal Univ, Key Lab Resource Chem, Shanghai Key Lab Rare Earth Funct Mat,Educ Minist, Key Lab Mol Imaging Probes & Sensors,Shanghai Mun, Shanghai 200234, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2015年 / 212卷
基金：
中国国家自然科学基金;
关键词：
Benzo(a)pyrene; Gold nanoparticles; Inositol hexaphosphate; Raman; POLYCYCLIC AROMATIC-HYDROCARBONS; GAS-CHROMATOGRAPHY; AG NANOPARTICLES; SERS DETECTION; BENZO(A)PYRENE; PAHS; DITHIOCARBAMATE; DERIVATIVES; RISK;
D O I：
10.1016/j.snb.2015.01.134
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Recently, the development of convenient and fast chemical method for sensing benzo(a)pyrene (BaP) has drawn significant attention. We report a simple, ultrasensitive and inexpensive SERS protocol, which based on the facile synthesis of inositol hexaphosphate (IP6) stabilized gold nanoparticles (Au NPs), to detect trace BaP in the edible oil without tagging. Au NPs are modified by IP6 certainly increase hydrophobic capability of such SERS substrate to catch BaP molecules from bulk oil. This SERS-based method for detecting BaP could be expected to have wide-range applications in many areas such as analysis of trace BaP in edible oil. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：200 / 206
页数：7
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