2005
DOI: 10.1002/elps.200500273
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Capillary electrochromatography with a neutral monolithic column for classification of analytes and determination of basic drugs in human serum

Abstract: Capillary electrochromatography (CEC) using a neutral hydrophobic polymer-based monolithic column has been developed for classification of analytes based on their acidity and charges of group. The monolithic columns were prepared by in situ copolymerization of lauryl methacrylate and ethylene dimethacrylate without any charged monomers in the reaction mixture. The ionic analytes will only be driven by their electrophoretic mobilities and were separated on the basis of their differences in electrophoretic mobil… Show more

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Cited by 36 publications
(33 citation statements)
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“…43 Therefore, only positively charged and neutral monolithswerefurtherinvestigated.Thesealsoareconsidered aspartoftheoptimizationstepsforthesemonolithsinproviding shortmigrationtimesandgoodseparationefficiency.…”
Section: Influence Of Mobile Phase On Separation Of Mdma and Mdamentioning
confidence: 99%
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“…43 Therefore, only positively charged and neutral monolithswerefurtherinvestigated.Thesealsoareconsidered aspartoftheoptimizationstepsforthesemonolithsinproviding shortmigrationtimesandgoodseparationefficiency.…”
Section: Influence Of Mobile Phase On Separation Of Mdma and Mdamentioning
confidence: 99%
“…[23][24][25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42] These materials usually require ionizable functional groups in order to generate the electroosmoticflow(EOF)drivesthemobilephaseandanalytes through the capillary column. 43 However these ionized functional groups can sometimes cause poor efficiencies and asymmetric peaks because of the interactions between the charged surface of the stationary phase and ionic samples. [43][44][45] Therefore, in some case the uncharged (neutral) monolith columnwaspreferred.…”
Section: Introductionmentioning
confidence: 99%
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