Goldman equation Nernst potential <n0:math xmlns:n0="http://www.w3.org/1998/Math/MathML"> <n2:lambda xmlns:n2="http://biomodels.net/SBO/"> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000567">R</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000147">T</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000568">F</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000503">z</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000196">X</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000196">x</n2:ci> </n2:bvar> <n2:apply> <n2:apply> <n2:divide /> <n2:apply> <n2:times /> <n2:ci>R</n2:ci> <n2:ci>T</n2:ci> </n2:apply> <n2:apply> <n2:times /> <n2:ci>z</n2:ci> <n2:ci>F</n2:ci> </n2:apply> </n2:apply> <n2:apply> <n2:ln /> <n2:apply> <n2:divide /> <n2:apply> <n2:ci>X</n2:ci> </n2:apply> <n2:ci>x</n2:ci> </n2:apply> </n2:apply> </n2:apply> </n2:lambda> </n0:math> Synonym: reversal potential