Membranes, ArtificialMembrane LipidsCell MembraneLiposomesLipid BilayersPermeabilityMembrane FluidityUnilamellar LiposomesMembrane PotentialsCell Membrane PermeabilityPhosphatidylcholinesMembranesAlamethicinIntracellular MembranesDiffusionHydrogen-Ion ConcentrationIon ChannelsElectric ConductivityPhospholipidsErythrocyte MembraneWaterKineticsModels, BiologicalSpectrometry, FluorescenceProtein BindingBasement MembraneBiological TransportPeptidesCholesterolAmino Acid SequenceMolecular Sequence DataMembrane ProteinsMembrane Transport ProteinsMembrane GlycoproteinsMitochondrial MembranesMicroscopy, ElectronProtein TransportSynaptic MembranesCell LineCalciumCell FractionationProtein Structure, TertiaryCarrier ProteinsExtraembryonic MembranesDetergentsEscherichia coliElectrophoresis, Polyacrylamide GelEndoplasmic ReticulumCells, CulturedGolgi ApparatusMutationBacterial ProteinsMicroscopy, FluorescenceFreeze FracturingMolecular WeightRecombinant Fusion ProteinsCell Membrane StructuresPotassiumMicrovilliTemperatureSubcellular FractionsMitochondriaBiological Transport, ActiveEndocytosisMicroscopy, ConfocalCytoplasmErythrocytesModels, MolecularBinding SitesRabbitsMembrane Potential, MitochondrialPurple MembraneTime FactorsSodiumProtein ConformationSolubilityCattleBase SequenceFluorescent Antibody TechniqueFluorescent DyesAdenosine TriphosphateNictitating MembraneBruch MembraneSignal TransductionProtein Structure, SecondaryOctoxynolMicroscopy, ImmunoelectronCytosolExocytosisCricetinaeRecombinant ProteinsSequence Homology, Amino AcidEndosomesBlotting, WesternPhosphatidylethanolaminesVacuoles