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Page 1
Quantitative determination of circulating and urinary asymmetric dimethylarginine (ADMA) in humans by gas chromatography-tandem mass spectrometry as methyl ester tri(N-pentafluoropropionyl) derivative.
Tsikas D, Schubert B, Gutzki FM, Sandmann J, Frölich JC. Tsikas D, et al. Among authors: gutzki fm. J Chromatogr B Analyt Technol Biomed Life Sci. 2003 Dec 5;798(1):87-99. doi: 10.1016/j.jchromb.2003.09.001. J Chromatogr B Analyt Technol Biomed Life Sci. 2003. PMID: 14630363
Determination of 3-nitrotyrosine in human urine at the basal state by gas chromatography-tandem mass spectrometry and evaluation of the excretion after oral intake.
Tsikas D, Mitschke A, Suchy MT, Gutzki FM, Stichtenoth DO. Tsikas D, et al. Among authors: gutzki fm. J Chromatogr B Analyt Technol Biomed Life Sci. 2005 Nov 15;827(1):146-56. doi: 10.1016/j.jchromb.2005.03.039. Epub 2005 Apr 22. J Chromatogr B Analyt Technol Biomed Life Sci. 2005. PMID: 16260382
Accurate quantification of dimethylamine (DMA) in human urine by gas chromatography-mass spectrometry as pentafluorobenzamide derivative: evaluation of the relationship between DMA and its precursor asymmetric dimethylarginine (ADMA) in health and disease.
Tsikas D, Thum T, Becker T, Pham VV, Chobanyan K, Mitschke A, Beckmann B, Gutzki FM, Bauersachs J, Stichtenoth DO. Tsikas D, et al. Among authors: gutzki fm. J Chromatogr B Analyt Technol Biomed Life Sci. 2007 May 15;851(1-2):229-39. doi: 10.1016/j.jchromb.2006.09.015. Epub 2006 Sep 29. J Chromatogr B Analyt Technol Biomed Life Sci. 2007. PMID: 17011246
9- and 10-Nitro-oleic acid do not interfere with the GC-MS quantitative determination of nitrite and nitrate in biological fluids when measured as their pentafluorobenzyl derivatives.
Mitschke A, Gutzki FM, Tsikas D. Mitschke A, et al. Among authors: gutzki fm. J Chromatogr B Analyt Technol Biomed Life Sci. 2007 May 15;851(1-2):287-91. doi: 10.1016/j.jchromb.2007.02.032. Epub 2007 Feb 24. J Chromatogr B Analyt Technol Biomed Life Sci. 2007. PMID: 17349828
Accurate quantification of dimethylamine (DMA) in human plasma and serum by GC-MS and GC-tandem MS as pentafluorobenzamide derivative in the positive-ion chemical ionization mode.
Chobanyan K, Mitschke A, Gutzki FM, Stichtenoth DO, Tsikas D. Chobanyan K, et al. Among authors: gutzki fm. J Chromatogr B Analyt Technol Biomed Life Sci. 2007 May 15;851(1-2):240-9. doi: 10.1016/j.jchromb.2007.03.006. Epub 2007 Mar 19. J Chromatogr B Analyt Technol Biomed Life Sci. 2007. PMID: 17400039
GC-MS assay for hepatic DDAH activity in diabetic and non-diabetic rats by measuring dimethylamine (DMA) formed from asymmetric dimethylarginine (ADMA): evaluation of the importance of S-nitrosothiols as inhibitors of DDAH activity in vitro and in vivo in humans.
Chobanyan K, Thum T, Suchy MT, Zhu B, Mitschke A, Gutzki FM, Beckmann B, Stichtenoth DO, Tsikas D. Chobanyan K, et al. Among authors: gutzki fm. J Chromatogr B Analyt Technol Biomed Life Sci. 2007 Oct 15;858(1-2):32-41. doi: 10.1016/j.jchromb.2007.08.002. Epub 2007 Aug 7. J Chromatogr B Analyt Technol Biomed Life Sci. 2007. PMID: 17825631
Quantification of N-(3-chloro-2-hydroxypropyl)valine in human haemoglobin as a biomarker of epichlorohydrin exposure by gas chromatography-tandem mass spectrometry with stable-isotope dilution.
Bader M, Rosenberger W, Gutzki FM, Tsikas D. Bader M, et al. Among authors: gutzki fm. J Chromatogr B Analyt Technol Biomed Life Sci. 2009 May 1;877(13):1402-15. doi: 10.1016/j.jchromb.2008.11.028. Epub 2008 Nov 24. J Chromatogr B Analyt Technol Biomed Life Sci. 2009. PMID: 19059011
75 results