🧪 Pump-Leak Membrane Potential: Goldman Equation, Na/K-ATPase, Donnan Swelling and Cell Volume Lab (2D)

A pump-leak cell model: GHK leak fluxes of Na+, K+ and Cl-, an electrogenic Na/K-ATPase, impermeant anions and osmotic volume give the resting potential, Nernst potentials, Donnan swelling under ouabain, with four graphs and seven in-page numerical checks including the Mullins-Noda equation (educational).