Computing the Field in Proteins and Channels

Details Computing the Field in Proteins and Channels Computing the Field in Proteins and Channels

2010-09-15

arxiv.org/abs/1009.2857v1

Eisenberg, Bob, Computing the field in proteins and channels. J. Membrane Biol., 1996. 150: p. 1-25

Biology

Quantitative Biology

Biomolecules

This is an early but comprehensive review of the PNP Poisson Nernst Planck theory of ion channels. Extensive reference is made

Scientific paper

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 open channels is a theory of electrodiffusion rather like that used previously to describe membranes. The theory uses Poisson's equation to describe how charge on ions and the channel protein creates electrical potential; it uses the Nernst-Planck equations to describe migration and diffusion of ions in gradients of concentration and electrical potential. Combined, these are also the "drift-diffusion equations" of solid state physics, which are widely, if not universally used to describe the flow of current and the behavior of semiconductors.

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