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Incorporating electric fields with complex metallic structures provides a means of concentrating membrane components. (A) Initially homogeneous SLBs diffuse uniformly around the metallic structures, but application of alternating electric fields may concentrate select components (B). SLBs are 99.8% zwitterionic phosphocholine lipids and 0.2% negatively charged Texas Red-phosphoethanolamine lipids. (Reprinted with permission from Ref. 8. Copyright 2011 American Chemical Society.)
