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Effect of electrodiffusion current flow on electrostatic screening in aqueous pores
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View: Figures


Image of FIG. 1.
FIG. 1.

Simulated electrostatic potential profiles at against radial position for different external biases. The aperture radius is . The inset is a schematic plot of the simulation structure. Cylindrical symmetry is assumed. Default simulation parameters: solid layer thickness and width , system height , macromolecule height , and radius .

Image of FIG. 2.
FIG. 2.

Simulated 2D intensity profiles of the potential change induced by the charged macromolecule at the center. (a) and (b) . Color scale corresponds to logarithmic magnitude of potential change, . The aperture radius is .

Image of FIG. 3.
FIG. 3.

Simulated radial component of cation flux density at two vertical cut lines, and , against vertical position. Two cases are simulated: with the charged macromolecule (solid) and without (dashed). The aperture radius is and .

Image of FIG. 4.
FIG. 4.

Dependence of induced potential change at the interface point (as shown in the inset of Fig. 1) on the pore radius for three different biases. A curve is plotted as visual guide.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Effect of electrodiffusion current flow on electrostatic screening in aqueous pores