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Structural Analysis of Derivatized Oligosaccharides Using Post-source Decay Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry

✍ Scribed by Lemoine, J.; Chirat, F.; Domon, B.

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
437 KB
Volume
31
Category
Article
ISSN
1076-5174

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✦ Synopsis

Structural information on oligosaccharides was obtained by post-source decay matrix-assisted laser desorp tion/ionization mass spectrometry. A systematic study of derivatized oligosaccharides showed that products relatively aminated with benzylamine allow the formation of [ M + HI + 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.

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