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Derivatization of ketosteroids for fast atom bombardment mass spectrometry

✍ Scribed by G. C. Didonato; K. L. Busch

Publisher
John Wiley and Sons
Year
1985
Tongue
English
Weight
225 KB
Volume
12
Category
Article
ISSN
1076-5174

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✦ Synopsis

Girard's reagents were used to derivatize ketosteroids and conjugates for analysis by positive ion fast atom bombardment mass spectrometry. Spectra contain an abundant ion corresponding to the cation ( C ' ) of the newly formed ionic derivative (C+A-) and relatively little fragmentation. With derivatization, detection of ketosteroids at a concentration of 1 pg PI-' in glycerol was straightforward. Such derivatization schemes may prove useful in the analysis of ketosteroids in complex biological mixtures.

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