Re: Mass analysis of uncharged peptide
L. Ericsson (ericsson@u.washington.edu)
Thu, 26 Mar 1998 12:31:10 -0800 (PST)
Have you considered running this peptide as a negative ion, either ESMS or
MALDI-TOF MS? It is generally worth a try, but no guarantees and expect
the signal to be low. For ESMS dissolve the sample in 5mM NH4Ac, 50%MeOH.
-Lowell H. Ericsson, Dept. of Biochem., U. of Washington, Seattle, WA