Two cases of lysergamide intoxication by ingestion of seeds from Hawaiian Baby Woodrose

HB Klinke, IB Müller, S Steffenrud… - Forensic science …, 2010 - Elsevier
… This is the second report on a fatality, apparently due to ingestion of LSA-containing seeds.
A synthesis of LSA from ergotamine is described in this article for obtaining this reference …

Thermospray liquid chromatography—mass spectrometry of corticosteroids

S Steffenrud, G Maylin - Journal of Chromatography B: Biomedical Sciences …, 1992 - Elsevier
… In combination with capillary GC, steroid analysis is now routine in many laboratories.
Sample preparation prior to GC-MS analysis, however, is still quite extensive because of deriv…

Comparative study of solid phase extraction techniques for isolation of leukotrienes from plasma

H Salari, S Steffenrud - Journal of Chromatography B: Biomedical Sciences …, 1986 - Elsevier
… from plasma with C,s Sep-Pak has been reported [ 31, nevertheless, our studies with Sep-Pak
as a solid adsorbent material demonstrated that this system is unable to retain the …

Metabolism of 16, 16-dimethyl-prostaglandin E2 in the human female

S Steffenrud - Biochemical medicine, 1980 - Elsevier
Tritium-labeled 16,16-dimethyl-PGE 2 was administered by intravenous injection into human
females. The initial half-life in plasma of 16,16-dimethyl-PGE 2 was determined to about 4.5 …

Method for quantitative analysis of PGA2 from plasma using deuterated carrier and gas-liquid chromatography-mass spectrometry

K Green, S Steffenrud - Analytical Biochemistry, 1976 - Elsevier
The preparation of [3,3,4,4,- 2 H 4 , 17, 18- 3 H 2 ]prostaglandin A 2 (PGA 2 ) and [17, 18- 3
H 2 ]PGA 2 is described. These compounds have been prepared for use in quantitative …

Gas chromatography-mass spectrometry of monohydroxyeicosatetraenoic acids as their methyl esters trimethylsilyl, allyldimethylsilyl and tert.-butyldimethylsilyl ethers

S Steffenrud, P Borgeat, H Salari, MJ Evans… - … of Chromatography B …, 1987 - Elsevier
The gas chromatographic and mass spectrometric properties of the monohydroxy acids 5-hydroxyeicosatetraenoic
acid (5-HETE), 12-hydroxyeicosatetraenoic acid (12-HETE) and 15-…

Immunological and non-immunological release of leukotrienes and histamine from human nasal polyps.

H Salari, P Borgeat, S Steffenrud… - Clinical and …, 1986 - ncbi.nlm.nih.gov
Nasal polyps were obtained from 22 patients undergoing polyp surgery. They were chopped
into fragments of approximately 2 mm2, washed free of blood, and passively sensitized with …

Metabolism of 9-deoxo-16, 16-dimethyl-9-methylene prostaglandin E2 in humans.

S Steffenrud - Drug Metabolism and Disposition, 1983 - ASPET
Tritium-labeled 9-deoxo-16,16-dimethyl-9-methylene prostaglandin E2 was administered by
intravenous injection into humans. The initial half-life in plasma was determined to be about …

Reversed-phase ion-interaction chromatography of leukotrienes, lipoxins and related compounds

S Steffenrud, H Salari - Journal of Chromatography B: Biomedical Sciences …, 1988 - Elsevier
A novel mobile phase containing heptafluorobutyric acid has been used for ion-interaction
high-performance liquid chromatography of leukotrienes, lipoxins and related compounds on …

Mass spectrometry of prostaglandins, leukotrienes and steroids as their allyldimethylsilyl ether derivatives

S Steffenrud, P Borgeat, MJ Evans… - … & environmental mass …, 1986 - Wiley Online Library
Allyldimethylsilyl ethers of prostaglandin E 2 and F 2α , leukotriene B 4 and 5β‐pregnane‐3α,
20α‐diol were prepared at room temperature in good yields with the novel reagent N, O‐…