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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: J Comput Phys. 2010 Jul 1;229(13):5208–5227. doi: 10.1016/j.jcp.2010.03.036

Fig. 2. Concentration distribution in a simulation of the diffusion of one solute species interacting with a membrane at rest.

Fig. 2

The left panel shows the solute concentration distribution on the composite grid at t = 0.2 ms. The right panel shows graphs of solute concentration (blue) and chemical potential (red) along the line y = 0.5 μm, which cuts through the center of the domain. The dotted blue curve depicts the initial solute concentration, and the solid blue curve depicts the solute concentration at t = 0.2 ms. Since the chemical potential barrier is high in comparison to KBT, there is little movement of solute.