CalciumCalcium ChannelsMembrane PotentialsMembrane Potential, MitochondrialCell MembraneIntracellular MembranesMembranesMembrane LipidsMembranes, ArtificialPotassiumCell Membrane PermeabilityErythrocyte MembraneMitochondriaSodiumMembrane FluidityElectrophysiologyAction PotentialsElectric ConductivityPatch-Clamp TechniquesIon ChannelsBasement MembraneValinomycinMitochondrial MembranesHydrogen-Ion ConcentrationChloridesCells, CulturedPotassium ChannelsTime FactorsMembrane Transport ProteinsAdenosine TriphosphateBiological Transport, ActiveNeuronsKineticsCell LineModels, BiologicalFluorescent DyesGuinea PigsMembrane GlycoproteinsLipid BilayersTrityl CompoundsCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneOuabainMicroscopy, ElectronProtein TransportCarbonyl Cyanide m-Chlorophenyl HydrazoneCalcium SignalingCarrier ProteinsSynaptic MembranesElectric StimulationTetrodotoxinIon TransportRats, Sprague-DawleyIon Channel GatingLiposomesMicroelectrodesDose-Response Relationship, DrugMicroscopy, FluorescenceApoptosisCalcium Channel BlockersBariumRabbitsCytosolProtein BindingCarbocyaninesPermeabilityMicroscopy, ConfocalMutationRats, WistarTetraethylammonium CompoundsEgtazic AcidTemperatureNigericinOnium CompoundsSignal TransductionPotassium Channel BlockersSodium-Potassium-Exchanging ATPaseEscherichia coliTetraethylammoniumMolecular Sequence DataIonophoresReactive Oxygen SpeciesProtein Structure, TertiaryEndoplasmic ReticulumBiological TransportCell FractionationCationsCesiumCytoplasmProtonsMagnesiumErythrocytesRubidiumPotassium ChlorideCattleAmino Acid SequenceOsmolar ConcentrationThapsigarginPhosphatidylcholinesCytochromes cBacterial Proteins