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. Author manuscript; available in PMC: 2010 Nov 1.
Published in final edited form as: Anal Chem. 2009 Nov 1;81(21):8669–8676. doi: 10.1021/ac9014935

Figure 4.

Figure 4

(A) Pre-ion/ion reaction ESI mass spectrum of BSA. (B) Post-ion/ion reaction spectrum after 30 ms of ion/ion proton transfer reactions with a perfluorocarbon anion (no ion parking). (C) Post-ion/ion reaction spectrum with acceleration of the [M+34H]34+ ion to effect ion parking. Adapted with permission from ref. 29.