Membrane PotentialsMembrane Potential, MitochondrialCell MembraneMembranesIntracellular MembranesMembrane LipidsFluorescent DyesMembranes, ArtificialCell Membrane PermeabilityPotassiumCalciumErythrocyte MembraneMitochondriaMembrane FluiditySodiumElectrophysiologyElectric ConductivityAction PotentialsBasement MembraneMitochondrial MembranesValinomycinPatch-Clamp TechniquesIon ChannelsHydrogen-Ion ConcentrationPotassium ChannelsMembrane Transport ProteinsChloridesCells, CulturedNeuronsAdenosine TriphosphateCarbocyaninesLipid BilayersTrityl CompoundsCell LineColoring AgentsModels, BiologicalGuinea PigsKineticsMembrane GlycoproteinsTime FactorsBiological Transport, ActiveCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneMicroscopy, ElectronProtein TransportCarbonyl Cyanide m-Chlorophenyl HydrazoneSynaptic MembranesMicroscopy, FluorescenceLiposomesMicroelectrodesElectric StimulationTetrodotoxinCarrier ProteinsHair DyesApoptosisOuabainProtein BindingRats, Sprague-DawleyIon Channel GatingMicroscopy, ConfocalRabbitsPermeabilityNigericinOnium CompoundsTemperatureDose-Response Relationship, DrugEscherichia coliBariumPyridinium CompoundsMutationCell FractionationTetraethylammonium CompoundsReactive Oxygen SpeciesPotassium Channel BlockersProtein Structure, TertiaryMolecular Sequence DataCytosolCalcium ChannelsRhodaminesTetraethylammoniumRats, WistarProtonsEndoplasmic ReticulumCytoplasmRosaniline DyesSodium-Potassium-Exchanging ATPaseCesiumPhosphatidylcholinesSpectrometry, FluorescenceCytochromes cBacterial ProteinsMitochondria, LiverAmino Acid SequenceElectrophoresis, Polyacrylamide GelIonophoresMitochondrial Membrane Transport ProteinsCattleIon TransportSignal TransductionRhodamine 123Microvilli