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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. 16.

Fig. 16

Product ion spectra from (a) an ion/ion reaction between [KKKKKKKKKK+3H]3+ and [(sulfo-NHS-AMCA)-Na]−, (b) CID of [KKKKKKKKKK+(sulfo-NHS-AMCA)+3H]2+, and (c) CID of [KKKKKKKKKK+AMCA+2H]2+. Asterisks (*) indicates ions covalently tagged with AMCA and deltas (Δ) indicates ions from the precursor ion isolation. Reprinted with permission from ref. 139. Copyright 2010 American Chemical Society.