title: Direct molecular weight determination of resin-bound oligopeptides using 252Cf plasma-desorption mass spectrometry.
abstract: Plasma-desorption mass spectrometry is proved to be capable of the direct molecular weight determination of totally protected resin-bound oligopeptides. The molecular weight measured is the molecular weight of the fully protected oligopeptide including the molecular weight of the linker, which connects the oligopeptide and the polystyrene resin. This method makes it possible to check the success of (a step in) the synthesis of a peptide before its deprotection or cleaving from the resin. This can make it a strong tool in the analysis of resin-bound oligopeptides.
authors.affiliation: Center for Bio-Pharmaceutical Sciences, Division of Analytical Chemistry, Lieden, The Netherlands.
authors.forename: P A
authors.initials: PA
authors.lastname: van Veelen
authors.forename: U R
authors.initials: UR
authors.lastname: Tjaden
authors.forename: J
authors.initials: J
authors.lastname: van der Greef
mesh_terms: D000595:Amino Acid Sequence; D013058:Mass Spectrometry / Q000379:methods; D008969:Molecular Sequence Data; D008970:Molecular Weight; D009842:Oligopeptides / Q000032:analysis / Q000138:chemical synthesis*; D012116:Resins, Plant
chemical_list: D009842:Oligopeptides; D012116:Resins, Plant