1.
Bioorg Khim
; 22(8): 585-8, 1996 Aug.
Artigo
em Russo
| MEDLINE
| ID: mdl-8985001
RESUMO
The addition of organic acids (picric, oxalic, citric, or tartaric) to peptide and protein samples was found to significantly increase the yield of their quasi-molecular ions (QMI) in time-of-flight 252Cf plasma desorption mass spectrometry. The yield of the ions depended on the pKa of the acid added.