利用电渗流泵通过大体积样品堆积提高灵敏度，以毛细管电泳法分析水样中的一些非甾体抗炎药。
Improving sensitivity by large-volume sample stacking using the electroosmotic flow pump to analyze some nonsteroidal anti-inflammatory drugs by capillary electrophoresis in water samples.
作者信息
Macià Alba, Borrull Francesc, Aguilar Carme, Calull Marta
机构信息
Departament de Química Analítica i Química Orgànica, Universitat Rovira i Virgili, Plaça Imperial Tàrraco 1, E-43005 Tarragona, Spain.
出版信息
Electrophoresis. 2003 Aug;24(16):2779-87. doi: 10.1002/elps.200305542.
Large-volume sample stacking using the electroosmotic flow (EOF) pump (LVSEP) has been used to analyze some nonsteroidal anti-inflammatory drugs (NSAIDs) in water samples. With methanol as the run buffer solvent to suppress the EOF, sensitivity was enhanced by 80-100-fold. The sample for the analysis of real water sample was pretreated by solid-phase extraction (SPE). When the method was based on off-line SPE-LVSEP-CE, sensitivity improved by as much as 1000 times.
使用电渗流（EOF）泵的大体积样品堆积（LVSEP）已用于分析水样中的一些非甾体抗炎药（NSAIDs）。以甲醇作为运行缓冲溶剂来抑制电渗流，灵敏度提高了80至100倍。用于分析实际水样的样品通过固相萃取（SPE）进行预处理。当该方法基于离线SPE-LVSEP-CE时，灵敏度提高了多达1000倍。
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