Voltammetric responsive sensors for organic compounds based on organized self-assembled lipoyl-beta-cyclodextrin derivative monolayer on a gold electrode

被引：52
|
作者：
He, PA
Ye, JN
Fang, YH
Suzuki, I
Osa, T
机构：
[1] E CHINA NORMAL UNIV,DEPT CHEM,SHANGHAI 200062,PEOPLES R CHINA
[2] TOHOKU UNIV,INST PHARMACEUT,SENDAI,MIYAGI 980,JAPAN
来源：
ANALYTICA CHIMICA ACTA | 1997年 / 337卷 / 02期
关键词：
lipoyl-beta-cyclodextrin derivative; self-assembled monolayers; gold electrode; sensors;
D O I：
10.1016/S0003-2670(96)00410-2
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Voltammetric responsive sensors based on organized self-assembled beta-cyclodextrin derivative monolayers on a gold electrode (beta-CD-SME) for electroinactive organic species were studied. Both theoretical considerations and experimental results proved that the reduction in the oxidation peak current of the electroactive marker, ferrocene caboxylic acid, at beta-CD-SME was proportional to the concentration of the target molecule and the formation constant of the inclusion complexes with beta-CD. The application of the sensor as a detector for ursodeoxycholic and dehydrocholic acids after capillary electrophoresis (CE) separation has been tested. This sensor provides an alternative approach for the detection of electroinactive organic species, and is expected to find application in liquid chromatography (LC) and CE detection.
引用
收藏
页码：217 / 223
页数：7
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