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. Author manuscript; available in PMC: 2010 Aug 10.
Published in final edited form as: Electrophoresis. 2010 Mar;31(5):893–901. doi: 10.1002/elps.200900222

Figure 3.

Figure 3

Picture showing the separation of Cytochrome c and APC, which illustrates the polarization of protein onto the surface of the membrane. (A) Picture through the front of the separation channel. The Cytochrome c is difficult to see and the APC cannot be seen at all. (B) Picture through the rear of the separation channel looking through the purge channel (containing the electrodes) and the membrane (Note: the horizontal lines are the individual platinum electrodes). The protein species are much more visible while looking through the back of the chamber, which implies that the proteins have formed a polarized layer on the surface of the membrane.