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. Author manuscript; available in PMC: 2008 Apr 30.
Published in final edited form as: J Am Soc Mass Spectrom. 2007 Mar 8;18(5):882–890. doi: 10.1016/j.jasms.2007.02.001

Figure 3.

Figure 3

Mass spectra derived from Method III transmission mode ion/ion proton transfer reaction: (a) isolated [M–H]− ions of bradykinin from negative nano-ESI (passing), (b) isolated [DAB+7H]7+ ions of DAB dendrimer generation 4.0 from positive nano-ESI (trapped), and (c) Post-ion/ion spectrum acquired after 80-ms transmission of ions shown in (a) through a population of ions shown in (b).