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Simultaneous GC-ECNICI-MS measurement of nitrite, nitrate and creatinine in human urine and plasma in clinical settings.
Hanff E, Lützow M, Kayacelebi AA, Finkel A, Maassen M, Yanchev GR, Haghikia A, Bavendiek U, Buck A, Lücke T, Maassen N, Tsikas D. Hanff E, et al. J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Mar 15;1047:207-214. doi: 10.1016/j.jchromb.2016.03.034. Epub 2016 Mar 24. J Chromatogr B Analyt Technol Biomed Life Sci. 2017. PMID: 27052124
GC-MS and GC-MS/MS measurement of ibuprofen in 10-μL aliquots of human plasma and mice serum using [α-methylo-2H3]ibuprofen after ethyl acetate extraction and pentafluorobenzyl bromide derivatization: Discovery of a collision energy-dependent H/D isotope effect and pharmacokinetic application to inhaled ibuprofen-arginine in mice.
Tsikas D, Kayacelebi AA, Hanff E, Mitschke A, Beckmann B, Tillmann HC, Gutzki FM, Müller M, Bernasconi C. Tsikas D, et al. Among authors: hanff e. J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Feb 1;1043:158-166. doi: 10.1016/j.jchromb.2016.06.014. Epub 2016 Jun 9. J Chromatogr B Analyt Technol Biomed Life Sci. 2017. PMID: 27343144
Simultaneous pentafluorobenzyl derivatization and GC-ECNICI-MS measurement of nitrite and malondialdehyde in human urine: Close positive correlation between these disparate oxidative stress biomarkers.
Hanff E, Eisenga MF, Beckmann B, Bakker SJ, Tsikas D. Hanff E, et al. J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Feb 1;1043:167-175. doi: 10.1016/j.jchromb.2016.07.027. Epub 2016 Jul 16. J Chromatogr B Analyt Technol Biomed Life Sci. 2017. PMID: 27461359
GC-ECNICI-MS analysis of S-nitrosothiols and nitroprusside after treatment with aqueous sulphide (S2-) and derivatization with pentafluorobenzyl bromide: Evidence of S-transnitrosylation and formation of nitrite and nitrate.
Tsikas D, Schmidt M, Hanff E, Böhmer A. Tsikas D, et al. Among authors: hanff e. J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Feb 1;1043:209-218. doi: 10.1016/j.jchromb.2016.09.002. Epub 2016 Sep 3. J Chromatogr B Analyt Technol Biomed Life Sci. 2017. PMID: 27614419
Development and validation of GC-MS methods for the comprehensive analysis of amino acids in plasma and urine and applications to the HELLP syndrome and pediatric kidney transplantation: evidence of altered methylation, transamidination, and arginase activity.
Hanff E, Ruben S, Kreuzer M, Bollenbach A, Kayacelebi AA, Das AM, von Versen-Höynck F, von Kaisenberg C, Haffner D, Ückert S, Tsikas D. Hanff E, et al. Amino Acids. 2019 Mar;51(3):529-547. doi: 10.1007/s00726-018-02688-w. Epub 2019 Jan 2. Amino Acids. 2019. PMID: 30604095
40 results