Structural Analysis of Derivatized Oligosaccharides Using Post-source Decay Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry
- 1 August 1996
- journal article
- research article
- Published by Wiley in Journal of Mass Spectrometry
- Vol. 31 (8) , 908-912
- https://doi.org/10.1002/(sici)1096-9888(199608)31:8<908::aid-jms376>3.0.co;2-d
Abstract
Structural information on oligosaccharides was obtained by post-source decay matrix-assisted laser desorption/ionization mass spectrometry. A systematic study of derivatized oligosaccharides showed that products relatively aminated with benzylamine allow the formation of [M+H]+ molecular species. Metastable protonated species decompose in the field-free region (post-source decay) to yield predictable and reproducible fragmentation patterns. Information on sugar sequence and branching can be derived from such mass spectra.Keywords
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