Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Helga Ludwig-Köhn"'
Publikováno v:
Journal of Chromatography B: Biomedical Sciences and Applications. 162:573-578
Publikováno v:
Biological Mass Spectrometry. 18:87-95
Oestrogen metabolites from the urine of males and pregnant and non-pregnant females were enriched by a procedure involving column chromatography on adsorber resins, gels and ion exchangers, enzymatic solvolysis and extraction, thereby separating the
Autor:
Helga Ludwig-Köhn, Hartmut Laatsch
Publikováno v:
Liebigs Annalen der Chemie. 1986:1847-1853
Blutplasma, Urin und Hamofiltrat nierenkranker Patienten ergaben nach enzymatischer Spaltung neben Indigo (1a) und Indirubin (2a) in sehr geringer Menge rotviolettes Candidin (5). Das indigoide 5 konnte sich bei der Aufarbeitung aus Indikan (3a) und
Publikováno v:
Clinica chimica acta; international journal of clinical chemistry. 121(2)
The chemical analysis of neutral steroid sulfates by glass capillary gas chromatography -mass spectrometry (GC-MS) from the blood of a young girl with acute suicidal paraquat poisoning is described. The steroids had been extracted from an XAD-filter
Publikováno v:
European journal of clinical investigation. 15(6)
Steroid metabolites enriched from urine, haemofiltrate, and CAPD-dialysate (Continous Ambulatory Peritoneal Dialysis) were identified by gas chromatography-mass spectrometry and quantified by capillary gas chromatography. The study included twenty he
Autor:
D. Matthaei, J. Reiner, H. V. Henning, Astrid Sziedat, H.‐J. Egger, Helga Ludwig-Köhn, Gerhard Spiteller
Publikováno v:
European journal of clinical investigation. 13(1)
The neutral steroid fractions in the urine of eleven patients suffering from various forms of liver disease with cholestasis and of ten healthy individuals were studied by glass capillary gas chromatography-mass spectrometry. The steroid conjugates i
Autor:
Helga Ludwig-Köhn, Dieter Matthaei, H. V. Henning, Gerhard Spiteller, F. Scheler, Astrid Sziedat
Publikováno v:
Biomedical mass spectrometry. 7(7)
The steroid fraction of hemofiltrate contains a large number of unknown steroids, which were separated by a combination of different chromatographic procedures and finally characterized by gas chromatography mass spectrometry. Besides different isome