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Charges, currents, and potentials in ionic channels of one conformation.
Flux through an open ionic channel is analyzed with Poisson-Nernst-Planck (PNP) theory. The channel protein is described as an unchanging but nonuniform distribution of permanent charge, the chargeExpand
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Computing the Field in Proteins and Channels
  • R. Eisenberg
  • Chemistry, Medicine
  • The Journal of Membrane Biology
  • 1 March 1996
This is an early but comprehensive review of the PNP Poisson Nernst Planck theory of ion channels. Extensive reference is made to the earlier literature. The starting place for this theory of openExpand
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Ionic Conductances of the Surface and Transverse Tubular Membranes of Frog Sartorius Fibers
The resting ionic conductances of frog sartorius muscle fibers have been determined in a variety of conditions in order to measure the potassium conductance of the tubular and surface membranes (g KExpand
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Coupling Poisson–Nernst–Planck and density functional theory to calculate ion flux
Ion transport between two baths of fixed ionic concentrations and applied electrostatic (ES) potential is analysed using a one-dimensional drift-diffusion (Poisson–Nernst–Planck, PNP) transportExpand
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Action Potentials, Afterpotentials, and Excitation-Contraction Coupling in Frog Sartorius Fibers without Transverse Tubules
In frog sartorius muscle fibers in which the transverse tubular system has been disrupted by treatment with glycerol, action potentials which are unaccompanied by twitches can be recorded. TheseExpand
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Capacitance of the Surface and Transverse Tubular Membrane of Frog Sartorius Muscle Fibers
The passive electrical properties of glycerol-treated muscle fibers, which have virtually no transverse tubules, were determined. Current was passed through one intracellular microelectrode and theExpand
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Derivation of Poisson and Nernst-Planck equations in a bath and channel from a molecular model.
Permeation of ions from one electrolytic solution to another, through a protein channel, is a biological process of considerable importance. Permeation occurs on a time scale of micro- toExpand
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Impedance of Frog Skeletal Muscle Fibers in Various Solutions
The linear circuit parameters of 140 muscle fibers in nine solutions are determined from phase measurements fitted with three circuit models: the disk model, in which the resistance to radial currentExpand
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Qualitative Properties of Steady-State Poisson-Nernst-Planck Systems: Perturbation and Simulation Study
TLDR
We investigate the properties of the steady-state PNP equations, initiated in the previous paper [9] (hereafter referred to as Part I). Expand
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Asymptotic Expansions of I-V Relations via a Poisson-Nernst-Planck System
TLDR
We investigate higher order matched asymptotic expansions of a steady-state Poisson-Nernst-Planck (PNP) system with particular attention to the I-V relations of ion channels. Expand
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