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Multiply charged ions in field desorption mass spectra of peptides containing basic amino acids
Author(s) -
Katakuse Itsuo,
Matsuo Takekiyo,
Wollnik Hermann,
Matsuda Hisashi
Publication year - 1979
Publication title -
organic mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0030-493X
DOI - 10.1002/oms.1210140813
Subject(s) - mass spectrum , ion , multiplicity (mathematics) , desorption , chemistry , field desorption , amino acid , spectral line , mass spectrometry , analytical chemistry (journal) , computational chemistry , physics , chromatography , organic chemistry , biochemistry , adsorption , mathematics , ionization , mathematical analysis , astronomy
Multiply charged ions up to [M+4] 4+ were observed in the field desorption mass spectra of five different peptides. The relationship between the charge‐multiplicity and the number of basic sidechains is discussed.