title: Electrostatic coupling across a membrane with titratable surface groups.
mesh_terms: D000588:Amines; D000818:Animals; D001001:Anura; D002118:Calcium / Q000378:metabolism; D004553:Electric Conductivity; D006863:Hydrogen-Ion Concentration; D007477:Ions; D008564:Membrane Potentials; D008954:Models, Biological; D011188:Potassium / Q000378:metabolism; D013499:Surface Properties
chemical_list: D000588:Amines; D007477:Ions; D011188:Potassium; D002118:Calcium