Membrane PotentialsCell MembraneBiological TransportMembrane Potential, MitochondrialMembranesIntracellular MembranesBiological Transport, ActivePotassiumMembrane LipidsCell Membrane PermeabilitySodiumEndocytosisKineticsCell-Penetrating PeptidesCalciumMembranes, ArtificialHydrogen-Ion ConcentrationMembrane Transport ProteinsTyramineChloridesCells, CulturedCarrier ProteinsSiderophoresModels, BiologicalOuabainPinocytosisMitochondriaCell LineTime FactorsErythrocyte MembraneIronMembrane FluidityClathrinIon TransportNanoparticlesFluorescein-5-isothiocyanateTemperatureNorepinephrineAnionsMicroscopy, FluorescenceElectrophysiologyElectric ConductivityBasement MembraneAction PotentialsTransferrinDesipramineMitochondrial MembranesRabbitsTritiumRats, Sprague-DawleyIon ChannelsValinomycinPatch-Clamp TechniquesLiverRats, Inbred StrainsPotassium ChannelsAdenosine TriphosphatePeptidesSerotoninAutoradiographyNeuronsReceptors, Cell SurfaceFluorescent DyesMembrane GlycoproteinsLipid BilayersCarbonyl Cyanide p-TrifluoromethoxyphenylhydrazoneCell Line, TumorTrityl CompoundsProtein TransportMicroscopy, ElectronGuinea PigsCarbonyl Cyanide m-Chlorophenyl HydrazoneSynaptic MembranesDose-Response Relationship, DrugElectric StimulationApoptosisLiposomesProtein BindingMicroelectrodesGlucoseMutationTetrodotoxinCarbocyaninesEscherichia coliMicroscopy, ConfocalMolecular Sequence DataNigericinRats, WistarPermeabilityIon Channel GatingOnium CompoundsCell FractionationBariumMicrovilliBacterial ProteinsProtonsProtein Structure, TertiarySodium-Potassium-Exchanging ATPaseCytosolAmino Acid Sequence