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

页码：87 / 95

页数：9

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