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. Author manuscript; available in PMC: 2015 Oct 24.
Published in final edited form as: Analyst. 2015 Oct 12;140(21):7184–7194. doi: 10.1039/c5an01710f

Figure 2.

Figure 2

NanoESI mass spectra of cytochrome c in denaturing solution (45/54/1 methanol/water/acetic acid) with no supercharging reagent (a), 5% m-NBA (b), 10% sulfolane (c), 15% PC (d), 0.5% 2-thiophenone (e), and 5% HD (f).