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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Electrophoresis. 2012 Feb;33(4):661–665. doi: 10.1002/elps.201100447

Figure 2. Comparison of regular CIEF and IPG-CIEF separations with BSA tryptic peptides.

Figure 2

Panels A and B: Representative mass spectra showing the peptide profiles collected from an earlier and a later fraction after regular CIEF separation. Panels C and D: Representative mass spectra showing the peptide profiles collected from corresponding fractions after IPG-CIEF separation.