# Nernst Equation for Cellular Membranes

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The Nernst equation is used to determine the potential of an ion of charge * *across a membrane using both extracellular and intracellular concentrations. It can be written as

Contributed by: Apoorva Mylavarapu (February 2014)

Open content licensed under CC BY-NC-SA

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Reference

[1] D. H. Terman and G. B. Ermentrout, *Foundations of Mathematical Neuroscience, *New York: Springer, 2010* *pp. 2–5.

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