Membranes, ArtificialLipid BilayersMembrane LipidsMembranesCell MembraneMembrane FluidityLiposomesPhosphatidylcholinesIntracellular MembranesDimyristoylphosphatidylcholineUnilamellar LiposomesMembrane PotentialsCalorimetry, Differential ScanningErythrocyte MembraneCell Membrane PermeabilityPhosphatidylglycerolsPhosphatidylethanolaminesPhase Transition1,2-DipalmitoylphosphatidylcholineCholesterolMolecular ConformationModels, BiologicalSpectrometry, FluorescencePhospholipidsSphingomyelinsMembrane MicrodomainsBasement MembranePhosphatidylserinesTemperature2-NaphthylamineMagnetic Resonance SpectroscopyDiffusionLauratesDiphenylhexatrieneFluorescence PolarizationModels, ChemicalProtein BindingMicellesModels, MolecularPeptidesFluorescent DyesSpectroscopy, Fourier Transform InfraredMicroscopy, ElectronPermeabilityHydrogen-Ion ConcentrationSpectrophotometry, InfraredMembrane Transport ProteinsThermodynamicsMicroscopy, Atomic ForceAmino Acid SequenceProtein Structure, SecondaryProtein TransportMolecular Sequence DataX-Ray DiffractionSpin LabelsProtein Structure, TertiaryDetergentsMembrane GlycoproteinsBiophysicsCircular DichroismLipidsBiophysical PhenomenaErgosterolHydrophobic and Hydrophilic InteractionsSurface PropertiesProtein ConformationAntimicrobial Cationic PeptidesMicroscopy, FluorescenceMagaininsFreeze FracturingWaterMitochondrial MembranesEgg YolkKineticsCell LineGramicidinMelittenMicroscopy, ConfocalElectron Spin Resonance SpectroscopyMolecular StructureSynaptic MembranesEscherichia coliFluoresceinsG(M1) GangliosideGalactolipidsCalciumPhospholipid EthersMathematicsSolubilityCattleFluorescence Resonance Energy Transferbeta-CyclodextrinsStatic ElectricityCarrier ProteinsBinding SitesSterolsElectrochemistryBacterial ProteinsScattering, RadiationHemolysis