Citation: D. Tsikas et al., Artifactual-free analysis of S-nitrosoglutathione and S-nitroglutathione by neutral-pH, anion-pairing, high-performance liquid chromatography - Studyon peroxynitrite-mediated S-nitration of glutathione to S-nitroglutathioneunder physiological conditions, J CHROMAT A, 915(1-2), 2001, pp. 107-116
Authors:
Kielstein, JT
Frolich, JC
Haller, H
Fliser, D
Citation: Jt. Kielstein et al., ADMA (asymmetric dimethylarginine): an atherosclerotic disease mediating agent in patients with renal disease?, NEPH DIAL T, 16(9), 2001, pp. 1742-1745
Authors:
Tsikas, D
Sandmann, J
Luessen, P
Savva, A
Rossa, S
Stichtenoth, DO
Frolich, JC
Citation: D. Tsikas et al., S-transnitrosylation of albumin in human plasma and blood in vitro and in vivo in the rat, BBA-PROT ST, 1546(2), 2001, pp. 422-434
Authors:
Kielstein, JT
Bode-Boger, SM
Frolich, JC
Haller, H
Boger, RH
Citation: Jt. Kielstein et al., Relationship of asymmetric dimethylarginine to dialysis treatment and atherosclerotic disease, KIDNEY INT, 59, 2001, pp. S9-S13
Authors:
Folino-Gallo, P
Walley, T
Frolich, JC
Carvajal, A
Edwards, IR
Citation: P. Folino-gallo et al., Availability of medicines in the European Union: results from the EURO-Medicines project, EUR J CL PH, 57(6-7), 2001, pp. 441-446
Authors:
Tsikas, D
Gutzki, FM
Bohme, M
Fuchs, I
Frolich, JC
Citation: D. Tsikas et al., Solid- and Liquid-phase extraction for the gas chromatographic-tandem massspectrometric quantification of 2,3-dinor-thromboxane B-2 and 2,3-dinor-6-oxo-prostaglandin F-1 alpha in human urine, J CHROMAT A, 885(1-2), 2000, pp. 351-359
Authors:
Schwedhelm, E
Tsikas, D
Durand, T
Gutzki, FM
Guy, A
Rossi, JC
Frolich, JC
Citation: E. Schwedhelm et al., Tandem mass spectrometric quantification of 8-iso-prostaglandin F-2 alpha and its metabolite 2,3-dinor-5,6-dihydro-8-iso-prostaglandin F-2 alpha in human urine, J CHROMAT B, 744(1), 2000, pp. 99-112
Authors:
Tsikas, D
Raida, M
Sandmann, J
Rossa, S
Forssmann, WG
Frolich, JC
Citation: D. Tsikas et al., Electrospray ionization mass spectrometry of low-molecular-mass S-nitroso compounds and their thiols, J CHROMAT B, 742(1), 2000, pp. 99-108
Authors:
Tsikas, D
Sandmann, J
Savva, A
Luessen, P
Boger, RH
Gutzki, FM
Mayer, B
Frolich, JC
Citation: D. Tsikas et al., Assessment of nitric oxide synthase activity in vitro and in vivo by gas chromatography-mass spectrometry, J CHROMAT B, 742(1), 2000, pp. 143-153
Authors:
Bode-Boger, SM
Boger, RH
Kielstein, JT
Loffler, M
Schaffer, J
Frolich, JC
Citation: Sm. Bode-boger et al., Role of endogenous nitric oxide in circadian blood pressure regulation in healthy humans and in patients with hypertension or atherosclerosis, J INVES MED, 48(2), 2000, pp. 125-132
Authors:
Becker, AJ
Uckert, S
Tsikas, D
Noack, H
Stief, CG
Frolich, JC
Wolf, G
Jonas, U
Citation: Aj. Becker et al., Determination of nitric oxide metabolites by means of the Griess assay andgas chromatography-mass spectrometry in the cavernous and systemic blood of healthy males and patients with erectile dysfunction during different functional conditions of the penis, UROL RES, 28(6), 2000, pp. 364-369
Authors:
Tsikas, D
Boger, RH
Sandmann, J
Bode-Boger, SM
Frolich, JC
Citation: D. Tsikas et al., Endogenous nitric oxide synthase inhibitors are responsible for the L-arginine paradox, FEBS LETTER, 478(1-2), 2000, pp. 1-3
Authors:
Tsikas, D
Gutzki, FM
Sandmann, J
Schwedhelm, E
Frolich, JC
Citation: D. Tsikas et al., Gas chromatographic-tandem mass spectrometric quantification of human plasma and urinary nitrate after its reduction to nitrite and derivatization tothe pentafluorobenzyl derivative, J CHROMAT B, 731(2), 1999, pp. 285-291
Authors:
Tsikas, D
Sandmann, J
Gutzki, FM
Frolich, JC
Citation: D. Tsikas et al., Interference by S-nitroso compounds with the measurement of nitrate in methods requiring reduction of nitrate to nitrite by cadmium, J CHROMAT B, 729(1-2), 1999, pp. 375-378
Authors:
Tsikas, D
Sandmann, J
Rossa, S
Gutzki, FM
Frolich, JC
Citation: D. Tsikas et al., Measurement of S-nitrosoalbumin by gas chromatography mass spectrometry - I. Preparation, purification, isolation, characterization and metabolism ofS-[N-15]nitrosoalbumin in human blood in vitro, J CHROMAT B, 726(1-2), 1999, pp. 1-12
Authors:
Tsikas, D
Sandmann, J
Gutzki, FM
Stichtenoth, D
Frolich, JC
Citation: D. Tsikas et al., Measurement of S-nitrosoalbumin by gas chromatography mass spectrometry - II. Quantitative determination of S-nitrosoalbumin in human plasma using S-[N-15]nitrosoalbumin as internal standard, J CHROMAT B, 726(1-2), 1999, pp. 13-24
Authors:
Tsikas, D
Rossa, S
Sandmann, J
Frolich, JC
Citation: D. Tsikas et al., High-performance liquid chromatographic analysis of nitrite and nitrate inhuman plasma as S-nitroso-N-acetylcysteine with ultraviolet absorbance detection, J CHROMAT B, 724(1), 1999, pp. 199-201
Authors:
Bode-Boger, SM
Loffler, M
Tsikas, D
Brabant, G
Frolich, JC
Citation: Sm. Bode-boger et al., L-arginine stimulates NO-dependent vasodilation in healthy human - Effect of somatostatin pretreatment, J INVES MED, 47(1), 1999, pp. 43-50
Authors:
Kielstein, JT
Boger, RH
Bode-Boger, SM
Schaffer, J
Barbey, M
Koch, KM
Frolich, JC
Citation: Jt. Kielstein et al., Asymmetric dimethylarginine plasma concentrations differ in patients with end-stage renal disease: Relationship to treatment method and atherosclerotic disease, J AM S NEPH, 10(3), 1999, pp. 594-600