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. Author manuscript; available in PMC: 2014 Feb 3.
Published in final edited form as: Chem Commun (Camb). 2012 Dec 20;49(10):947–965. doi: 10.1039/c2cc36577d

Fig. 9.

Fig. 9

Mass spectra of cytochrome c acquired in (a) pre ion/ion, (b) post ion/ion, and (c) ion parking modes. PDCH anions were used as proton transfer reagents and a 150 ms reaction time was used in b and c. Reprinted with permission from ref. 67. Copyright 2002 American Chemical Society.