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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Anal Chem. 2008 Aug 27;80(19):7473–7481. doi: 10.1021/ac801214x

Figure 2.

Figure 2

Charge state distributions of NEM-IFN-β1a (top) and intact IFN-β1a (bottom) ions in ESI MS acquired under near-native conditions following buffer exchange of protein solutions to 100 mM ammonium acetate.