Electrochemistry of glucose oxidase immobilized on carbon nanotubes noncovalently functionalized by multihydroxyl and multicarboxyl groups

被引：23

作者：

Xue, Chao-Hua ^{[1
,2
]}

Zhou, Ren-Jia ^{[1
,2
,3
]}

Shi, Min-Min ^{[1
,2
]}

Wu, Gang ^{[1
,2
]}

Zhang, Xiao-Bin ^{[4
]}

Wang, Mang ^{[1
,2
]}

Chen, Hong-Zheng ^{[1
,2
,3
]}

机构：

[1] Zhejiang Univ, Key Lab Macromol Synth & Functionalizat, Minist Educ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

[2] Zhejiang Univ, Dept Polymer Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China

[3] Zhejiang Calif Int Nanosyst Inst, Hangzhou 310027, Zhejiang, Peoples R China

[4] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2010年 / 642卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Carbon nanotubes; Functionalization; Electrochemistry; Biosensor; Glucose oxidase; DIRECT ELECTRON-TRANSFER; BIOSENSORS; SOLUBILIZATION; CHITOSAN; LAYER; WATER; POLYETHYLENIMINE; NANOCOMPOSITES; NANOPARTICLES; DISPERSION;

D O I：

10.1016/j.jelechem.2010.02.010

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In this paper we have described that multi-walled carbon nanotubes (MWNTs) can be homogeneously dispersed and solubilized in water using non-covalent functionalization. These soluble MWNTs were then used for the immobilization of glucose oxidase (GOx) on glassy carbon electrode. Scanning electron microscopy is used to investigate the nanoscale structure of the film formed by the functionalized MWNTs. Electrochemical measurements were conducted to reveal the electroactivity of the GOx on the MWNT modified electrode. The functionalized MWNTs served as a network carrier for GOx as well as a conductor, enhancing greatly the response current. The GOx immobilized in this way retained its bio-electrocatalytic activity for the oxidation of glucose. (C) 2010 Elsevier BM. All rights reserved.

引用

页码：92 / 97

页数：6

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