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Validated capillary electrophoresis method for the determination of atropine and scopolamine derivatives in pharmaceutical formulations Cherkaoui, Samir; Mateus, Lidia; Christen, Philippe; Veuthey, Jean-Luc 1998
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Use of negatively charged cyclodextrins for the simultaneous enantioseparation of selected anesthetic drugs by capillary electrophoresis-mass spectrometry Cherkaoui, Samir; Veuthey, Jean-Luc 2002
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Use of a Doehlert design in optimizing the analysis of selected tropane alkaloids by micellar electrokinetic capillary chromatography Mateus, Lidia; Cherkaoui, Samir; Christen, Philippe; Veuthey, Jean-Luc 1998
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Simultaneous stereoselective analysis of tramadol and its main phase I metabolites by on-line capillary zone electrophoresis-electrospray ionization mass spectrometry Rudaz, Serge; Cherkaoui, Samir; Dayer, Pierre; Fanali, Salvatore; Veuthey, Jean-Luc 2000
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Simultaneous determination of scopolamine, hyoscyamine and littorine in plants and different hairy root clones of Hyoscyamus muticus by micellar electrokinetic chromatography Mateus, Lidia; Cherkaoui, Samir; Christen, Philippe; Oksman-Caldentey, Kirsi-Marja 2000
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Simultaneous analysis of some amphetamine derivatives in urine by nonaqueous capillary electrophoresis coupled to electrospray ionization mass spectrometry Geiser, Laurent; Cherkaoui, Samir; Veuthey, Jean-Luc 2000
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Simultaneous analysis of polyhydroxylated alkaloids by capillary electrophoresis using borate complexation and evaluation of sweeping technique for sensitivity improvement Cahours, Xavier; Daali, Youssef; Cherkaoui, Samir; Veuthey, Jean-Luc 2002
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Separation of selected anesthetic drugs by nonaqueous capillary electrophoresis Cherkaoui, Samir; Veuthey, Jean-Luc 1999
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Selectivity manipulation using nonaqueous capillary electrophoresis. Application to tropane alkaloids and amphetamine derivatives Cherkaoui, Samir; Varesio, Emmanuel; Christen, Philippe; Veuthey, Jean-Luc 1998
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Routine o-glycan characterization in nutritional supplements--a comparison of analytical methods for the monitoring of the bovine kappa-casein macropeptide glycosylation Tran, N T.; Daali, Youssef; Cherkaoui, Samir; Taverna, M.; ... Veuthey, Jean-Luc 2001
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Rapid separation of basic drugs by nonaqueous capillary electrophoresis Cherkaoui, Samir; Geiser, Laurent; Veuthey, Jean-Luc 2000
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Rapid liquid chromatographic-mass spectrometric analysis of withanolides in crude plant extracts by use of a monolithic column Kaufmann, Béatrice; Souverain, Sandrine; Cherkaoui, Samir; Christen, Philippe; Veuthey, Jean-Luc 2002
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Rapid analysis of fluoxetine and its metabolite in plasma by LC-MS with column-switching approach Souverain, S.; Mottaz, M.; Cherkaoui, Samir; Veuthey, Jean-Luc 2003
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Potential of formamide and N-methylformamide in nonaqueous capillary electrophoresis coupled to electrospray ionization mass spectrometry. Application to the analysis of beta-blockers Geiser, Laurent; Cherkaoui, Samir; Veuthey, Jean-Luc 2002
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Optimization of CE-ESI-MS parameters for the analysis of ecstasy and derivatives in urine Varesio, Emmanuel; Cherkaoui, Samir; Veuthey, Jean-Luc 1998
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On-line capillary electrophoresis-electrospray mass spectrometry for the stereoselective analysis of drugs and metabolites Cherkaoui, Samir; Rudaz, Serge; Varesio, Emmanuel; Veuthey, Jean-Luc 2001
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On-line capillary electrophoresis-electrospray mass spectrometry for the analysis of pharmaceuticals Cherkaoui, Samir; Rudaz, Serge; Varesio, Emmanuel; Veuthey, Jean-Luc 1999
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Nonaqueous versus aqueous capillary electrophoresis for the dosage of N-butylscopolamine in various pharmaceutical formulations Cherkaoui, Samir; Mateus, Lidia; Christen, Philippe; Veuthey, Jean-Luc 1999
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Nonaqueous capillary electrophoresis-mass spectrometry for separation of venlafaxine and its phase I metabolites Cherkaoui, Samir; Rudaz, Serge; Veuthey, Jean-Luc 2001
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Nonaqueous capillary electrophoresis-electrospray- mass spectrometry for the analysis of fluoxetine and its related compounds Cherkaoui, Samir; Veuthey, Jean-Luc 2002
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