Prussian blue-modified nanoporous gold film electrode for amperometric determination of hydrogen peroxide

被引：44

作者：

Ghaderi, Seyran ^{[1
]}

Mehrgardi, Masoud Ayatollahi ^{[1
]}

机构：

[1] Univ Isfahan, Dept Chem, Esfahan 8174673441, Iran

来源：

BIOELECTROCHEMISTRY | 2014年 / 98卷

关键词：

Nanoporous gold film; Prussian blue; Hydrogen peroxide; Amperometric sensor; Electrocatalysis; SPECTROPHOTOMETRIC DETERMINATION; ELECTROCATALYTIC REDUCTION; ELECTROCHEMICAL SENSOR; SURFACE-AREA; NANOPARTICLES; BIOSENSOR; FABRICATION; GLUCOSE; H2O2; IMMOBILIZATION;

D O I：

10.1016/j.bioelechem.2014.03.007

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

In this manuscript, the electrocatalytic reduction of hydrogen peroxides on Prussian blue (PB) modified nanoporous gold film (NPGF) electrode is described. The PB/NPGF is prepared by simple anodizing of a smooth gold film followed by PB film electrodeposition method. The morphology of the PB/NPGF electrode is characterized using scanning electron microscopy (SEM). The effect of solution pH and the scan rates on the voltammetric responses of hydrogen peroxide have also been examined. The amperometric determination of H2O2 shows two linear dynamic responses over the concentration range of 1 mu M-10 mu M and 10 mu M-100 mu M with a detection limit of 3.6 x 10(-7) M. Furthermore, this electrode demonstrated good stability, repeatability and selectivity remarkably. (C) 2014 Elsevier B.V. All rights reserved.

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收藏

页码：64 / 69

页数：6

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