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Mass spectrometric discrimination between per‐ O ‐acetylated aldopentoses applied to an oligosaccharide
Author(s) -
BlokTip Leonore,
Heerma Wigger,
Haverkamp Johan
Publication year - 1993
Publication title -
rapid communications in mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.528
H-Index - 136
eISSN - 1097-0231
pISSN - 0951-4198
DOI - 10.1002/rcm.1290070729
Subject(s) - oxonium ion , chemistry , pentose , tandem mass spectrometry , oligosaccharide , residue (chemistry) , mass spectrometry , monosaccharide , ion , mass spectrum , chromatography , analytical chemistry (journal) , computational chemistry , organic chemistry , fermentation
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.