Cell Membrane PermeabilityCationsPermeabilityCations, MonovalentRubidiumPotassiumSodiumErythrocytesCapillary PermeabilityErythrocyte MembraneMembrane PotentialsCalciumIon ChannelsChloridesCations, DivalentOrganic Cation Transport ProteinsOrganic Cation Transporter 1Tight JunctionsMagnesiumBlood-Brain BarrierBiological TransportMannitolWaterLactuloseKineticsHydrogen-Ion ConcentrationMitochondrial Membrane Transport ProteinsTRPM Cation ChannelsDentin PermeabilityEvans BlueOsmosisTRPC Cation ChannelsOccludinMitochondrial SwellingElectric ConductivityIntestinal AbsorptionAquaporinsManganeseCells, CulturedIon TransportElectric ImpedanceCell MembraneBiological Transport, ActiveCaco-2 CellsOsmolar ConcentrationAquaporin 1CesiumLithiumDextransIonsZonula Occludens-1 ProteinEdetic AcidMembrane ProteinsRabbitsCation Transport ProteinsEndothelium, VascularTime FactorsDiffusionIon Channel GatingModels, BiologicalStrontiumIntracellular MembranesRats, Sprague-DawleyBlood-Retinal BarrierLanthanumFluoresceinAdenosine TriphosphateTRPV Cation ChannelsIntercellular JunctionsPatch-Clamp TechniquesMetals, AlkaliClaudinsMitochondriaIntestinal MucosaMembranes, ArtificialFluoresceinsAlbuminsInulinMitochondria, LiverCyclophilinsQuaternary Ammonium CompoundsMolecular Sequence DataBariumElectrophysiologyCell LineFluorescein-5-isothiocyanateFluorescent DyesEndothelial CellsSucroseDose-Response Relationship, DrugRats, WistarCation Exchange ResinsTemperatureOuabainClaudin-5EpitheliumAmino Acid SequenceCattleVascular Endothelial Growth Factor ABlood-Air Barrier