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Mass spectrometric discrimination between per-O-acetylated aldopentoses applied to an oligosaccharide
L Blok-Tip1, W Heerma, J Haverkamp
1Department of Mass Spectrometry, Bijvoet Center for Biomolecular Research, Utrecht University, Utrecht, The Netherlands.
Rapid Communications in Mass Spectrometry : RCM
|July 1, 1993
Abstract:
Unimolecular decomposition spectra of oxonium ions from peracetylated pentoses can be used for identification purposes. The fast-atom bombardment mass spectra of an oligosaccharide with a pentose residue at the non-reducing terminus also contain this oxonium ion, which allows identification of this monosaccharide residue by a tandem mass spectrometry experiment. The applicability of this method is demonstrated using a xylopentaose.