Nernst equation potential

Nernst equation potential
(nernst) [Walther Hermann Nernst, German physical chemist, 1864–1941] see under equation and potential.

Medical dictionary. 2011.

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  • Nernst equation — nernst n an equation used to find the potential difference across a semipermeable membrane through which an ion diffuses between solutions where its concentration differs and that for a temperature of 37°C (98.6°F) gives a result in millivolts… …   Medical dictionary

  • Nernst equation — In electrochemistry, the Nernst equation is an equation that can be used (in conjunction with other information) to determine the equilibrium reduction potential of a half cell in an electrochemical cell. It can also be used to determine the… …   Wikipedia

  • Nernst equation — A basic equation of biophysics that describes the relationship between the equilibrium potential difference across a semipermeable membrane, and the equilibrium distribution of the ionic permeant species. It is described by: E = (RT/zF).ln(C2/C1) …   Dictionary of molecular biology

  • Nernst potential — can refer to: *Nernst equation *Reversal potential …   Wikipedia

  • potential — 1. Capable of doing or being, although not yet doing or being; possible, but not actual. 2. A state of tension in an electric source enabling it to do work under suitable conditions; in relation to electricity, p. is analogous to the temperature… …   Medical dictionary

  • Nernst potential — the voltage produced across a membrane by a concentration gradient of an ion that can diffuse through pores in the membrane while oppositely charged ions cannot pass through the membrane; see Nernst equation under equation …   Medical dictionary

  • Nernst potential — See Nernst equation and ion selective electrodes …   Dictionary of molecular biology

  • Nernst-Planck equation — The Nernst Planck equation describes the flux of ions through a diffusive membrane under the influence of both an ionic concentration gradient (X) and electric potential (V).It is defined :Phi = D abla X P X abla VWhere D is a set of constants… …   Wikipedia

  • equation — A statement expressing the equality of two things, usually with the use of mathematical or chemical symbols. [L. aequare, to make equal] alveolar gas e. the e. defining the steady state relation of the alveolar oxygen pressure to the barometric… …   Medical dictionary

  • Reversal potential — This article is about the biological application of the Nernst equation. For the general equation, see Nernst equation. In a biological membrane, the reversal potential (also known as the Nernst potential) of an ion is the membrane potential at… …   Wikipedia

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