Review Article

Electrospray Ionization Mass Spectrometry: A Technique to Access the Information beyond the Molecular Weight of the Analyte

Figure 11

ESI-mass spectra of cyt c in water containing 3% methanol and 0.5 mM ammonium acetate at (a) pH 6.4, (b) pH 4.2, (c) pH 2.6, and (d) pH 2.3. The pH was adjusted by the addition of hydrochloric acid. (Reprinted with permission from Biochemistry [80], Copyright 1997, American Chemical Society).
282574.fig.0011a
(a)
282574.fig.0011b
(b)
282574.fig.0011c
(c)
282574.fig.0011d
(d)