期刊
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
卷 51, 期 13, 页码 1382-1387出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/03602559.2012.704113
关键词
Amperometric; Biosensing; CNTs; Electrochemical; Glucose; PANI
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.
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