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Transformation of [M+2H](2+) Peptide Cations to [M-H](+), [M+H+O](+), and M(+•) Cations via Ion/Ion Reactions: Reagent Anions Derived from Persulfate

The gas-phase oxidation of doubly protonated peptides is demonstrated here using ion/ion reactions with a suite of reagents derived from persulfate. Intact persulfate anion (HS(2)O(8)(−)), peroxymonosulfate anion (HSO(5)(−)), and sulfate radical anions (SO(4)(−•)) are all either observed directly up...

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Detalhes bibliográficos
Publicado no:J Am Soc Mass Spectrom
Main Authors: Pilo, Alice L., Bu, Jiexun, McLuckey, Scott A.
Formato: Artigo
Idioma:Inglês
Publicado em: 2015
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC4475491/
https://ncbi.nlm.nih.gov/pubmed/25944366
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1007/s13361-015-1125-y
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