Highly Sensitive Glucose Sensing With Multi-Walled Carbon Nanotubes - Polyaniline Composite

被引：21
|
作者：
Sharma, Amit L. [1 ]
Kumar, Parveen [1 ]
Deep, Akash [1 ]
机构：
[1] Cent Sci Instruments Org CSIR CSIO, Chandigarh 160030, India
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2012年 / 51卷 / 13期
关键词：
Amperometric; Biosensing; CNTs; Electrochemical; Glucose; PANI; NANOTUBE/POLYANILINE PH SENSORS; MODIFIED ELECTRODE; EPOXY COMPOSITES; BIOSENSOR; FABRICATION; NANOCOMPOSITES; TRANSPARENT; FILM;
D O I：
10.1080/03602559.2012.704113
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Multi-walled carbon nanotubes (MWCNTs) have been carboxylated and then immobilized with glucose oxidase (GOx) by amine coupling through EDC-NHS chemistry. These functionalized MWCNTs have been introduced into polyaniline matrix by electrochemical method. The different involved steps have been characterized with molecular and electronic spectroscopy. Prepared thin films preserved the enzymatic activity of GOx and their average electrical conductivity was measured as 3.78 x 10(-1) Scm(-1). Observed response time was 5 s and a linear pattern of current vs. concentration was recorded for 0.5-22mM glucose.
引用
收藏
页码：1382 / 1387
页数：6
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