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Use of liquid chromatography coupled to low- and high-resolution linear ion trap mass spectrometry for studying the metabolism of paynantheine, an alkaloid of the herbal drug Kratom in rat and human urine.
Philipp AA, Wissenbach DK, Weber AA, Zapp J, Zoerntlein SW, Kanogsunthornrat J, Maurer HH. Philipp AA, et al. Among authors: zapp j. Anal Bioanal Chem. 2010 Apr;396(7):2379-91. doi: 10.1007/s00216-009-3239-1. Epub 2009 Nov 10. Anal Bioanal Chem. 2010. PMID: 19902190
Metabolism studies of the Kratom alkaloids mitraciliatine and isopaynantheine, diastereomers of the main alkaloids mitragynine and paynantheine, in rat and human urine using liquid chromatography-linear ion trap-mass spectrometry.
Philipp AA, Wissenbach DK, Weber AA, Zapp J, Maurer HH. Philipp AA, et al. Among authors: zapp j. J Chromatogr B Analyt Technol Biomed Life Sci. 2011 May 1;879(15-16):1049-55. doi: 10.1016/j.jchromb.2011.03.005. Epub 2011 Mar 29. J Chromatogr B Analyt Technol Biomed Life Sci. 2011. PMID: 21450536
Qualitative studies on the metabolism and the toxicological detection of the fentanyl-derived designer drugs 3-methylfentanyl and isofentanyl in rats using liquid chromatography-linear ion trap-mass spectrometry (LC-MS(n)).
Meyer MR, Dinger J, Schwaninger AE, Wissenbach DK, Zapp J, Fritschi G, Maurer HH. Meyer MR, et al. Among authors: zapp j. Anal Bioanal Chem. 2012 Jan;402(3):1249-55. doi: 10.1007/s00216-011-5528-8. Epub 2011 Nov 8. Anal Bioanal Chem. 2012. PMID: 22065349
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