Nonenzymatic glucose detection by using a three-dimensionally ordered, macroporous platinum template

被引：248

作者：

Song, YY ^{[1
]}

Zhang, D ^{[1
]}

Gao, W ^{[1
]}

Xia, XH ^{[1
]}

机构：

[1] Nanjing Univ, Dept Chem, Key Lab Life Sci Analyt Chem, Nanjing 210093, Peoples R China

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2005年 / 11卷 / 07期

关键词：

biosensors; electo-chemistry; glucose; nanoparticles; platinum; scanning probe microscopy;

D O I：

10.1002/chem.200400981

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A three-dimensionally ordered, inacroporous, inverse-opal platinum film was synthesized electrochemically by the inverted colloidal-crystal template technique. The inverse-opal film that contains platinum nanoparticles showed improved electrocatalytic activity toward glucose oxidation with respect to the directly deposited platinum; this improvement is due to the interconnected porous structure and the greatly enhanced effective surface area. In addition, the inverse-opal Pt-film electrode responds more sensitively to glucose than to common interfering species of ascorbic acid, uric acid, and p-acetamidophenol due to their different electrochemical reaction mechanisms. Results showed that the ordered macroporous materials with enhanced selectivity and sensitivity are promising for fabrication of nonenzymatic glucose biosensors.

引用

页码：2177 / 2182

页数：6

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