Electrochemical sensor based on Prussian blue nanorods and gold nanochains for the determination of H2O2

被引：14
|
作者：
Chen, Shihong [1 ]
Ma, Liping [1 ]
Yuan, Ruo [1 ]
Chai, Yaqin [1 ]
Xiang, Yun [1 ]
Wang, Chengyan [1 ]
机构：
[1] Southwest Univ, Coll Chem & Chem Engn, Minist Educ, Key Lab Luminescence & Real Time Anal, Chongqing 400715, Peoples R China
来源：
EUROPEAN FOOD RESEARCH AND TECHNOLOGY | 2011年 / 232卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Prussian blue nanorods; Gold nanochains; Electrochemical sensor; Hydrogen peroxide; HYDROGEN-PEROXIDE BIOSENSOR; MULTIWALL CARBON NANOTUBES; HORSERADISH-PEROXIDASE; MODIFIED ELECTRODE; METHYLENE-BLUE; AMPEROMETRIC DETERMINATION; PALLADIUM ELECTRODE; HYBRID COMPOSITES; PASTE ELECTRODES; CYTOCHROME-C;
D O I：
10.1007/s00217-010-1364-x
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
In this paper, a novel electrochemical sensor for the detection of H2O2 was proposed based on gold nanochains and prussian blue nanorods (PB@MWCNTs), which were synthesized with multiwall carbon nanotubes (MWCNTs) as a template. With the introduction of MWCNTs and the gold nanochains, the proposed system shows synergy among the Prussian blue (PB), MWCNTs, and the gold nanochains, which amplifies the H2O2 sensitivity greatly. A linear range from 1.75 x 10(-6) to 1.14 x 10(-3) M with a detection limit of 0.5 x 10(-6) M (S/N = 3) and a high sensitivity 300 mu A mM(-1) cm(-2) for H2O2 detection is obtained. Moreover, the sensor exhibits good repeatability and stability.
引用
收藏
页码：87 / 95
页数：9
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