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Phytochemical Analysis : PCA|November 14, 2001
Parameters affecting microwave-assisted extraction of withanolidesB Kaufmann, P Christen, J L VeutheyCurrent Medicinal Chemistry|January 5, 2002
New trends in extraction, identification and quantification of artemisinin and its derivativesP Christen, J L VeutheyPhytochemical Analysis : PCA|July 9, 2002
Focused microwave-assisted extraction of cocaine and benzoylecgonine from coca leavesA Brachet, P Christen, J L VeutheyJournal of Chromatography. B, Biomedical Sciences and Applications|August 29, 1997
Development and validation of a capillary zone electrophoresis method for the determination of atropine, homatropine and scopolamine in ophthalmic solutionsS Cherkaoui, L Mateus, P Christen, et al.Journal of Chromatography. A|December 31, 1997
Extraction of artemisinin and artemisinic acid from Artemisia annua L. using supercritical carbon dioxideM Kohler, W Haerdi, P Christen, et al.Journal of Pharmaceutical and Biomedical Analysis|March 4, 2000
Nonaqueous versus aqueous capillary electrophoresis for the dosage of N-butylscopolamine in various pharmaceutical formulationsS Cherkaoui, L Mateus, P Christen, et al.Journal of Chromatography. A|March 4, 2000
Enantioseparation of atropine by capillary electrophoresis using sulfated beta-cyclodextrin: application to a plant extractL Mateus, S Cherkaoui, P Christen, et al.Journal of Chromatography. A|August 7, 2001
Non-aqueous capillary electrophoresis with diode array and electrospray mass spectrometric detection for the analysis of selected steroidal alkaloids in plant extractsS Cherkaoui, K Bekkouche, P Christen, et al.Electrophoresis|December 23, 1999
Capillary electrophoresis-diode array detection--electrospray mass spectrometry for the analysis of selected tropane alkaloids in plant extractsL Mateus, S Cherkaoui, P Christen, et al.Journal of Pharmaceutical and Biomedical Analysis|January 27, 1999
Development and validation of liquid chromatography and capillary electrophoresis methods for acarbose determination in pharmaceutical tabletsS Cherkaoui, Y Daali, P Christen, et al.Pageof 34