A high performance electrochemical sensor for NADH based on graphite nanosheet modified electrode

被引：40

作者：

Zhu, June ^{[1
]}

Chen, Xu ^{[1
]}

Yang, Wensheng ^{[1
]}

机构：

[1] Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2010年 / 150卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Graphite nanosheets; NADH; Electrocatalysis; Electrochemical sensor; DIHYDRONICOTINAMIDE ADENINE-DINUCLEOTIDE; CARBON NANOTUBES; OXIDATION; GRAPHENE; ENZYMES; SYSTEM;

D O I：

10.1016/j.snb.2010.08.039

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The electrocatalytical oxidation of dihydroniconnamide adenine dinucleotide (NADH) based on exfoliated graphite nanosheet (GNS) modified glassy carbon (GC) electrode was firstly explored The GNSs/GC electrode showed favorable electron transfer for NADH oxidation and the oxidative peak potential was decreased to +0 32 V vs Ag/AgCl The electrochemical sensor based on the GNSs/GC electrode exhibited very high sensitivity of 535 0 mA M-1 cm(-2) wide dynamic range from 2 mu M to 4 69 mM and good stability for the detection of NADH which are comparable to or better than those of previously reported most carbon nanomaterials modified electrodes including recent graphene modified electrodes Combining the low cost of GNSs with ready preparation from graphite GNSs would be extremely attractive for numerous dehydrogenase-based bioelectrochemical devices such as biosensors biofuel cells and bioreactors in the future work (C) 2010 Elsevier B V All rights reserved

引用

页码：564 / 568

页数：5

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