Lipid BilayersPhosphatidylcholinesDimyristoylphosphatidylcholine1,2-DipalmitoylphosphatidylcholineMembrane FluidityMolecular ConformationPhase TransitionMembranes, ArtificialPhospholipidsLiposomesBiophysicsCalorimetry, Differential ScanningBiophysical PhenomenaPhosphatidylglycerolsPhosphatidylethanolaminesAlamethicinGramicidinUnilamellar LiposomesMicroscopy, Atomic ForceModels, ChemicalMagnetic Resonance SpectroscopyWaterMembrane LipidsThermodynamicsTemperatureSphingomyelinsModels, MolecularIon ChannelsDiphenylhexatrienePhosphatidylserinesX-Ray DiffractionMicellesCholesterolSurface PropertiesElectric ConductivityPermeabilityCell MembraneSpectrometry, FluorescenceHydrophobic and Hydrophilic InteractionsDiffusionMelittenProtein Structure, SecondaryDeuteriumMolecular Dynamics SimulationStatic ElectricitySpectroscopy, Fourier Transform InfraredGelsAdsorptionPeptidesMolecular StructurePorosityNuclear Magnetic Resonance, BiomolecularBatrachotoxins