Membrane PotentialsMembrane Potential, MitochondrialCell MembraneMembranesIntracellular MembranesMembrane LipidsMembranes, ArtificialCell Membrane PermeabilityPotassiumCalciumErythrocyte MembraneMitochondriaMembrane FluiditySodiumElectrophysiologyElectric ConductivityAction PotentialsBasement MembraneMitochondrial MembranesValinomycinIon ChannelsPatch-Clamp TechniquesHydrogen-Ion ConcentrationTime FactorsPotassium ChannelsMembrane Transport ProteinsChloridesCells, CulturedModels, BiologicalAdenosine TriphosphateNeuronsCell LineLipid BilayersMembrane GlycoproteinsGuinea PigsTrityl CompoundsKineticsFluorescent DyesBiological Transport, ActiveCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneMicroscopy, ElectronProtein TransportCarbonyl Cyanide m-Chlorophenyl HydrazoneSynaptic MembranesLiposomesMicroelectrodesCarrier ProteinsElectric StimulationApoptosisTetrodotoxinMicroscopy, FluorescenceOuabainProtein BindingCarbocyaninesRats, Sprague-DawleyDose-Response Relationship, DrugIon Channel GatingRabbitsMutationTemperatureEscherichia coliPermeabilityMicroscopy, ConfocalBariumOnium CompoundsMolecular Sequence DataNigericinCell FractionationProtein Structure, TertiaryTetraethylammonium CompoundsReactive Oxygen SpeciesPotassium Channel BlockersRats, WistarTetraethylammoniumCytosolCalcium ChannelsProtonsSignal TransductionEndoplasmic ReticulumCesiumSodium-Potassium-Exchanging ATPaseAmino Acid SequenceBacterial ProteinsPhosphatidylcholinesCytochromes cCytoplasmCattleElectrophoresis, Polyacrylamide GelMitochondria, LiverMitochondrial Membrane Transport ProteinsRecombinant Fusion ProteinsIonophoresIon TransportMicrovilliExtraembryonic MembranesCationsDetergentsMagnesiumMusclesErythrocytes