期刊
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES
卷 877, 期 20-21, 页码 1793-1798出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jchromb.2009.04.014
关键词
Multi-walled carbon nanotubes; Overoxidized polypyrrole; Chemically modified electrode; Dopamine
资金
- National Natural Science Foundation of China [20627005, 20805015]
- Shanghai Science and Technology Committee [08PJ14040]
- East China University of Science and Technology [YF0157110]
Overoxidized polypyrrole/multi-walled carbon nanotubes (OPPy/MWNTs) modified electrode has been developed for sensitively detecting dopamine (DA). OPPy films developed outside MWNTs might have a porous morphology. Thus, OPPy/MWNTs films developed by this method do not reject ascorbic acid (AA). However, OPPy/MWNTs modified electrode shows largely enhancing oxidative current responses of DA. When combined with liquid chromatography, it not only obtains a low detection limit of 7.5 x 10(-10) mol L(-1) for DA, but also improves the selectivity of DA detection. Mechanisms for the enhancement are also well discussed in this paper. with this approach, microdialysis has been employed for successful assessment of DA in rat striatum. (C) 2009 Published by Elsevier B.V.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据