ON-CAPILLARY ISOTACHOPHORESIS FOR LOADABILITY ENHANCEMENT IN CAPILLARY ZONE ELECTROPHORESIS MASS-SPECTROMETRY OF BETA-AGONISTS

被引:62
作者
LAMOREE, MH [1 ]
REINHOUD, NJ [1 ]
TJADEN, UR [1 ]
NIESSEN, WMA [1 ]
VANDERGREEF, J [1 ]
机构
[1] LEIDEN UNIV,LEIDEN AMSTERDAM CTR DRUG RES,DIV ANALYT CHEM,2300 RA LEIDEN,NETHERLANDS
关键词
D O I
10.1002/bms.1200230607
中图分类号
Q6 [生物物理学];
学科分类号
071011 ;
摘要
For the enhancement of sample loadability and concentration sensitivity in capillary zone electrophoresis/mass spectrometry (CZE/MS) on-line isotachophoresis/capillary zone electrophoresis (ITP/CZE) in a single capillary prior to mass spectrometric detection is described for clenbuterol and some analogues. Concentration detection limits were found to be in the nanogram per millilitre range. The applicability of ITP/CZE/MS as a trace analysis technique is demonstrated by the determination of some beta-agonists in calf urine.
引用
收藏
页码:339 / 345
页数:7
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