Discrimination of dopamine and ascorbic acid using carbon nanotube fiber microelectrodes

被引：27
|
作者：
Viry, Lucie [1 ,2 ]
Derre, Alain [2 ]
Poulin, Philippe [2 ]
Kuhn, Alexander [1 ]
机构：
[1] Univ Bordeaux, Inst Mol Sci, ENSCBP, F-33600 Pessac, France
[2] CRPP CNRS, F-33600 Pessac, France
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2010年 / 12卷 / 34期
关键词：
SELF-ASSEMBLED MONOLAYERS; URIC-ACID; ELECTROCHEMICAL DETECTION; SELECTIVE DETECTION; MODIFIED ELECTRODE; MICROSENSORS; BEHAVIOR;
D O I：
10.1039/c0cp00367k
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The detection of dopamine is a scientific challenge of great importance for the understanding of neurobiological dysfunctions. However the presence of ascorbic acid at concentrations several times higher than that of dopamine and its oxidation at a very similar potential make a selective electrochemical detection difficult. Here we report the original and intrinsic selectivity of carbon nanotube (CNT) fiber microelectrodes (CNTFM) towards dopamine oxidation without significant interaction from ascorbic acid.
引用
收藏
页码：9993 / 9995
页数：3
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