Nanoporous gold for enzyme-free electrochemical glucose sensors

被引：93

作者：

Chen, L. Y. ^{[1
]}

Lang, X. Y. ^{[1
]}

Fujita, T. ^{[1
]}

Chen, M. W. ^{[1
]}

机构：

[1] Tohoku Univ, WPI Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan

来源：

SCRIPTA MATERIALIA | 2011年 / 65卷 / 01期

关键词：

Porous materials; Nanostructure; Catalysis; Biosensor; OXIDATION; ELECTROCATALYSIS; SURFACES;

D O I：

10.1016/j.scriptamat.2011.03.025

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report the detection of non-enzyme electrochemical glucose using nanoporous gold (NPG) as electrodes. The free-standing NPG films showed a robust and sensitive current response to glucose. The effects of pore sizes, detecting potentials and chloride ions on glucose oxidation were systematically investigated. NPG with a smaller pore size possesses higher sensitivity. In addition, the NPG electrodes can effectively avoid interference from the oxidation of common organic interferents in body liquids. The high sensitivity and selectivity make NPG promising electrodes for applications in electrochemical biosensors. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：17 / 20

页数：4

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