CAPILLARY ELECTROPHORESIS WITH INDIRECT AMPEROMETRIC DETECTION

被引：82
|
作者：
OLEFIROWICZ, TM [1 ]
EWING, AG [1 ]
机构：
[1] PENN STATE UNIV,DEPT CHEM,UNIVERSITY PK,PA 16802
来源：
JOURNAL OF CHROMATOGRAPHY | 1990年 / 499卷
关键词：
D O I：
10.1016/S0021-9673(00)97015-8
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The use of indirect amperometric detection with capillary electrophoresis is demonstrated. The system consists of a porous glass coupler which allows amperometric detection at a carbon fiber electrode placed in the end of the capillary. 3,4-Dihydroxybenzylamine is added to the buffer system as a continuously eluting electrophore. Indirect amperometric detection in 9-μm I.D. capillaries provides detection limits as low as 380 attomole for the amino acid arginine. Finally, both direct and indirect amperometric detection can be accomplished simultaneously. © 1990.
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收藏
页码：713 / 719
页数：7
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