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Characteristics of growth and tropane alkaloid production in Hyoscyamus albus hairy roots transformed with Agrobacterium rhizogenes A4 Christen, Philippe; Aoki, Toshio; Shimomura, Koichiro 1992
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Rapid high performance liquid chromatographic quantification of valepotriates in hairy root cultures of Valeriana officinalis L. var. sambucifolia Mikan Graenicher, François Philippe; Christen, Philippe; Vuagnat, Pierre 1994
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L'extraction en phase supercritique des substances d'origine végétale Castioni, P.; Christen, Philippe; Veuthey, Jean-Luc 1995
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An iridoid diester from valeriana officinalis var. sambucifolia hairy roots Graenicher, François Philippe; Christen, Philippe; Kamalaprija, Philippe; Burger, Ulrich 1995
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Alkaloids of erythroxylum monogynum root-bark Christen, Philippe; Roberts, Margaret F.; Phillipson, J. David; Evans, William C. 1995
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Essential oils from normal and hairy roots of Valeriana officinalis var. sambucifolia Graenicher, François Philippe; Christen, Philippe; Kapetanidis, Ilias 1995
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Supercritical fluid extraction and chromatography of artemisinin and artemisinic acid. An improved method for the analysis of Artemisia annua samples Kohler, Marcel; Haerdi, Werner; Christen, Philippe; Veuthey, Jean-Luc 1997
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The evaporative light scattering detector: some applications in pharmaceutical analysis Kohler, Marcel; Haerdi, Werner; Christen, Philippe; Veuthey, Jean-Luc 1997
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Alkaloids of erythroxylum lucidum stem-bark Brachet, Anne; Munoz, Orlando; Gupta, Mahabir; Veuthey, Jean-Luc; Christen, Philippe 1997
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Extraction of artemisinin and artemisinic acid from Artemisia annua L. using supercritical carbon dioxide Kohler, Marcel; Haerdi, Werner; Christen, Philippe; Veuthey, Jean-Luc 1997
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Micellar electrokinetic capillary chromatography for selected tropane alkaloid analysis in plant extract Cherkaoui, Samir; Avois, Lidia; Christen, Philippe; Veuthey, Jean-Luc 1997
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Determination of artemisinin and artemisinic acid by capillary and packed supercritical fluid chromatography Kohler, Marcel; Haerdi, Werner; Christen, Philippe; Veuthey, Jean-Luc 1997
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Development and validation of liquid chromatography and capillary electrophoresis methods for acarbose determination in pharmaceutical tablets Cherkaoui, Samir; Daali, Youssef; Christen, Philippe; Veuthey, Jean-Luc 1998
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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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Capillary electrophoresis for the analysis of tropane alkaloids: pharmaceutical and phytochemical applications Avois, Lidia; Cherkaoui, Samir; Christen, Philippe; Veuthey, Jean-Luc 1998
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Use of a Doehlert design in optimizing the analysis of selected tropane alkaloids by micellar electrokinetic capillary chromatography Avois, Lidia; Cherkaoui, Samir; Christen, Philippe; Veuthey, Jean-Luc 1998
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Validated capillary electrophoresis method for the determination of atropine and scopolamine derivatives in pharmaceutical formulations Cherkaoui, Samir; Avois, Lidia; Christen, Philippe; Veuthey, Jean-Luc 1998
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Experimental design for enantioselective separation of celiprolol by capillary electrophoresis using sulfated beta-cyclodextrin Daali, Youssef; Cherkaoui, Samir; Christen, Philippe; Veuthey, Jean-Luc 1999
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Application of central composite designs in the supercritical fluid extraction of tropane alkaloids in plant extracts Brachet, Anne; Mateus, Luis Joël; Cherkaoui, Samir; Christen, Philippe; ... 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; Avois, Lidia; Christen, Philippe; Veuthey, Jean-Luc 1999
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