Sensitive detection of NADH by ferrocenylalkanethiol functionalized multiwall carbon nanotubes electrodes

被引：7
|
作者：
Yao, Xin [1 ]
Wang, Yunfeng [2 ]
Wen, Liyun [3 ]
机构：
[1] Chinese Acad Sci, Grad Univ, Coll Chem & Chem Engn, Beijing 100049, Peoples R China
[2] Biosino Bio Technol & Sci Inc, Beijing, Peoples R China
[3] Hebei Prov Res Ctr Environm Metrol Technol, Shijiazhuang, Peoples R China
来源：
ANALYTICAL LETTERS | 2008年 / 41卷 / 07期
基金：
中国国家自然科学基金;
关键词：
ferrocenylhexanethiol; multiwall carbon nanotube; modified electrode; NADH;
D O I：
10.1080/00032710802052692
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The 6-ferrocenylhexanethiol (FcC(6)SH) functionalized multiwall carbon nanotubes (MWNTs) modified glassy carbon electrode (FcC(6)SH/MWNTs/GCE) was easily fabricated and used for the sensitive detection of NADH. Cyclic voltammetric and amperometric methods were used to study the behavior of NADH on the FcC(6)SH/MWNTs/GCE. A broader linear response range to the NADH concentration from 5 mu M to 1.5 mM with a correlation coefficient of 0.9982 was obtained. The detection limit was 0.54 mu M. The synergetic effects of FcC(6)SH and MWNTs make the modified electrode highly sensitive to NADH. In addition, the modified electrode can decrease the fouling of the electrode surface.
引用
收藏
页码：1236 / 1247
页数：12
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