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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 .
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 .
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 .
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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