✦ LIBER ✦

Energy-resolved collision-induced dissociation atmospheric pressure chemical ionization mass spectrometry of constitutional and stereo steroid isomers

✍ Scribed by Sjöberg, Per J. R.; Markides, Karin E.

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 289 KB
Volume: 33
Category: Article
ISSN: 1076-5174
DOI: 10.1002/(sici)1096-9888(199809)33:9<872::aid-jms699>3.0.co;2-w

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✦ Synopsis

Energy-resolved mass spectra were recorded by controlled up-front collision-induced dissociation (CID) or conventional CID tandem mass spectrometry. Di †erentiation between constitutional isomers and stereoisomers of hydroxysteroids was studied using atmospheric pressure chemical ionization interfaced to a triple quadrupole mass spectrometer. Relative abundances of fragment ions from mainly water loss were used.

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