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Carnegie Mellon Center for Nonlinear Analysis


Energetic Variational Analysis for Ionic Transport: Ion Channels

Chun Liu
The Pennsylvania State University
Department of Mathematics

Abstract: In this talk, I will present our recent study on the ionic transport through ion channels in cell membranes. Motivated by our earlier work on energetic variational approaches, developed for various complex fluids, especially electrorheological (ER) fluids (Phys. Rev. Lett. 101, 194503 (2008)), we derived/proposed a coupled system for ionic solutions, which takes into account of the solvent water, the diffusion and electro-static interaction of different ions. In particular, I will emphasize on the selectivity effects of the ion channels, under the simplest geometric and molecular structures.