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. 2007 Jan 9;104(4):1111–1117. doi: 10.1073/pnas.0609969104

Fig. 5.

Fig. 5.

An illustration of the effects of different solvent vapors in the bath gas on the production of bare ions from charged droplets of grS solution. The vapors added to the nitrogen bath gas were water (A), methanol (B), butanol (C), and cyclohexane (D). Electrospray solution was prepared from a mixture containing 60% methanol–40% water in 1% acetic acid solution and contained 160 μM grS.