ONLINE ISOTACHOPHORETIC ANALYTE FOCUSING FOR IMPROVEMENT OF DETECTION LIMITS IN CAPILLARY ELECTROPHORESIS ELECTROSPRAY MASS-SPECTROMETRY

被引:41
作者
TINKE, AP [1 ]
REINHOUD, NJ [1 ]
NIESSEN, WMA [1 ]
TJADEN, UR [1 ]
VANDERGREEF, J [1 ]
机构
[1] LEIDEN UNIV,CTR BIOPHARMACEUT SCI,DIV ANALYT CHEM,POB 9502,2300 RA LEIDEN,NETHERLANDS
关键词
D O I
10.1002/rcm.1290060905
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Detectability enhancement in capillary electrophoresis/mass spectrometry (CE/MS) has been realized using on-line isotachophoretic (ITP) analyte focusing. This is demonstrated for the analysis of a mixture of anthracyclines, showing an at least 200-fold improvement in minimum detectable concentration for ITP/CE/MS compared to CE/MS using an electrospray (ESP) interface.
引用
收藏
页码:560 / 563
页数:4
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