steady state expression Goldman equation <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:0000538">P</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000566">p</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000196">C</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000196">c</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000196">A</n2:ci> </n2:bvar> <n2:bvar> <n2:ci definitionURL="http://biomodels.net/SBO/#SBO:0000196">a</n2:ci> </n2:bvar> <n2:apply> <n2:apply> <n2:divide /> <n2:apply> <n2:apply> <n2:times /> <n2:ci>R</n2:ci> <n2:ci>T</n2:ci> </n2:apply> </n2:apply> <n2:ci>F</n2:ci> </n2:apply> <n2:apply> <n2:ln /> <n2:apply> <n2:divide /> <n2:apply> <n2:plus /> <n2:apply> <n2:sum /> <n2:apply> <n2:times /> <n2:ci>A</n2:ci> <n2:ci>p</n2:ci> </n2:apply> </n2:apply> <n2:apply> <n2:sum /> <n2:apply> <n2:times /> <n2:ci>c</n2:ci> <n2:ci>P</n2:ci> </n2:apply> </n2:apply> </n2:apply> <n2:apply> <n2:apply> <n2:plus /> <n2:apply> <n2:sum /> <n2:apply> <n2:times /> <n2:ci>a</n2:ci> <n2:ci>p</n2:ci> </n2:apply> </n2:apply> <n2:apply> <n2:sum /> <n2:apply> <n2:times /> <n2:ci>C</n2:ci> <n2:ci>P</n2:ci> </n2:apply> </n2:apply> </n2:apply> </n2:apply> </n2:apply> </n2:apply> </n2:apply> </n2:lambda> </n0:math> Synonym: Goldman-Hodgkin-Katz voltage equation