Preparation of Molecularly Imprinted Polypyrrole and Carbon Nanotubes Film Modified Electrode for Dopamine Recognition

被引：2

作者：

Zhang, FeiFei ^{[1
,2
]}

Wang, ZongHua ^{[1
,2
]}

Xia, JianFei ^{[1
,2
]}

Xia, YanZhi ^{[1
,2
]}

Cai, Feng ^{[1
,2
]}

Li, YanHui ^{[2
]}

机构：

[1] Qingdao Univ, Coll Chem & Environm Engn, Qingdao 266071, Peoples R China

[2] Qingdao Univ, Lab New Fiber Mat & Modern Textile, Growing Base State Key Lab, Qingdao, Peoples R China

来源：

ADVANCED RESEARCH ON ENERGY MATERIALS AND MATERIAL APPLICATION | 2012年 / 578卷

基金：

中国国家自然科学基金;

关键词：

Overoxidized polypyrrole; Carbon nanotube; Dopamine; Molecularly imprinted film; COMPOSITE;

D O I：

10.4028/www.scientific.net/AMR.578.105

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

A novel film of overoxidized polypyrrole and carboxylic multi-walled carbon nanotubes (c-MWNTs) was fabricated with molecular imprinted technique for dopamine by a direct and facile electropolymerization method. The resulting modified electrode surface was characterized with electrochemical impedance spectroscopy and Fourier transform infrared spectroscopy. The results demonstrated that the modified electrode not only possessed a good sensitivity but also exhibited a high selectivity toward DA which making anodic potential difference of DA and AA is 318 mV in DPV. Under the optimum conditions, the linear range of the dopamine biosensor ranges from 5.0x10(-8) to 6.0x10(-6) mol/L with a detection limit of 5.0x10(-9) mol/L.

引用

页码：105 / +

页数：2

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