Intracellular pH electrode. Experiments on the giant squid axon.
D000200:Action Potentials; D000818:Animals; D000965:Antimony; D001369:Axons / Q000502:physiology*; D004558:Electric Stimulation; D004566:Electrodes; D006863:Hydrogen-Ion Concentration; D008433:Mathematics; D008564:Membrane Potentials; D008839:Microelectrodes; D008974:Mollusca; D012623:Seawater
D000965:Antimony