Christen, Philippe

 
 
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2006

Scientific Articles

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Analysis of isomeric tropane alkaloids from Schizanthus grahamii by very fast gas chromatographyBieri, Stefan; Muñoz, Orlando; Veuthey, Jean-Luc; Christen, Philippe;
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Analytical discrimination of poisonous and nonpoisonous chemotypes of giant fennel (Ferula communis L.) through their biologically active and volatile fractionsRubiolo, Patrizia; Matteodo, Maura; Riccio, Giovanna; Ballero, Mauro; ... Bicchi, Carlo
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Cannabis profiling : which analytical strategy to apply ?Ilias, Yara; Rudaz, Serge; Christen, Philippe; Veuthey, Jean-Luc;
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Cocaine distribution in wild Erythroxylum speciesBieri, Stefan; Brachet, Anne; Veuthey, Jean-Luc; Christen, Philippe;
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Evaluation of solid-phase microextraction desorption parameters for fast GC analysis of cocaine in coca leavesIlias, Yara; Bieri, Stefan; Christen, Philippe; Veuthey, Jean-Luc;
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Focused microwave-assisted extraction combined with solid-phase microextraction and gas chromatography-mass spectrometry for the selective analysis of cocaine from coca leavesBieri, Stefan; Ilias, Yara; Bicchi, Carlo; Veuthey, Jean-Luc; Christen, Philippe
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Headspace solid-phase microextraction of pesticide residues in Cannabis samplesIlias, Yara; Rudaz, Serge; Christen, Philippe; Veuthey, Jean-Luc;
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Identification of isomeric tropane alkaloids from Schizanthus grahamii by HPLC-NMR with loop storage and HPLC-UV-MS/SPE-NMR using a cryogenic flow probeBieri, Stefan; Varesio, Emmanuel; Veuthey, Jean-Luc; Muñoz, Orlando; ... Christen, Philippe
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Use of porous graphitic carbon column for the separation of natural isomeric tropane alkaloids by capillary LC and mass spectrometryBieri, Stefan; Varesio, Emmanuel; Muñoz, Orlando; Veuthey, Jean-Luc; Christen, Philippe

2004

Scientific Articles

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Analysis of cannabis material by headspace solid-phase microextraction combined with gas chromatography-mass spectrometryIlias, Yara; Rudaz, Serge; Mathieu, Patrick; Veuthey, Jean-Luc; Christen, Philippe
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Occurrence of circadian rhythms in hairy root cultures grown under controlled conditionsLanoue, Arnaud; Shakourzadeh, Khalil; Marison, Ian; Laberche, Jean-Claude; ... Boitel-Conti, Michèle
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