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. 2015 Jun 26;10(6):e0130478. doi: 10.1371/journal.pone.0130478

Fig 4. (A) A typical 2D IMS-MS contour plot showing the monomer and dimer signals at 100 μM.

Fig 4

Notice the overlap at even charge states in the MS domain for the monomer and dimer peaks. (B) Relative abundance of the dimer formation as a function of the concentration for the odd charge states.