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The presented study aims to develop a new online enrichment strategy [“pseudostationary ion-exchanger” (PSIE) sweeping] for the analysis of highly hydrophilic nucleosides in urine samples with a special focus on the fundamental aspects regarding the enrichment process itself. In the first method, we employ the ionic liquid (IL)-type surfactant 1-tetradecyl-3-methylimidazolium bromide (C14MImBr) as...
Ionic liquid (IL)-type surfactants have been shown to interact more strongly with polar compounds than traditionally used quaternary ammonium cationic surfactants. The aim of this study is to provide an alternative micellar electrokinetic chromatographic method (MEKC) for the analysis of urinary nucleosides in their ionic form at low surfactant concentration. This approach could overcome the use of...
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