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Electrochemical driving force
Abbreviation:
VDFDefinition:
When an ion is not at its electrochemical equilibrium, an electrochemical driving force (VDF) acts on the ion, causing the net movement of the ion across the membrane down its own electrochemical gradient.The electrochemical driving force is generally expressed in millivolts and is calculated according the following equation:
VDF = Vm − Veq
where VDF is the electrochemical driving force, Vm is the membrane potential, and Veq is the equilibrium potential.
Related glossary terms/phrases:
Membrane potentialEquilibrium potential
Electrochemical gradient
See also:
Resting Membrane Potential - Electrochemical Driving Force Acting on IonsElectrochemical Driving Force Calculator
Posted: Saturday, November 21, 2015
Last updated: Wednesday, March 12, 2025
Last updated: Wednesday, March 12, 2025
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