title: Intracellular potassium activity in frog lens determined using ion specific liquid ion-exchanger filled microelectrodes.
mesh_terms: D000818:Animals; D001692:Biological Transport / Q000187:drug effects; D066298:In Vitro Techniques; D007474:Ion Exchange; D007908:Lens, Crystalline / Q000032:analysis* / Q000187:drug effects / Q000378:metabolism; D008433:Mathematics; D008564:Membrane Potentials; D008722:Methods; D008839:Microelectrodes; D010042:Ouabain / Q000494:pharmacology; D010783:Photometry; D011188:Potassium / Q000032:analysis* / Q000378:metabolism; D011894:Rana pipiens; D013997:Time Factors
chemical_list: D010042:Ouabain; D011188:Potassium