PhosphatidylcholinesCalorimetry, Differential ScanningLipid BilayersGlycerylphosphorylcholineMolecular ConformationPhospholipidsSphingomyelinsBiophysical Phenomena1,2-DipalmitoylphosphatidylcholineBiophysicsThermodynamicsDimyristoylphosphatidylcholinePhosphatidylethanolaminesGelsMembranes, ArtificialAcylationMembrane FluidityLiposomesX-Ray DiffractionMembrane LipidsEgg YolkMagnetic Resonance SpectroscopyFatty Acids, UnsaturatedMolecular StructureStructure-Activity RelationshipLysophosphatidylcholinesDeuteriumTemperatureCholesterolStearic AcidsMicellesFatty AcidsIsomerismPhysicochemical PhenomenaFluorescence PolarizationPhosphatidylcholine-Sterol O-AcyltransferasePulmonary SurfactantsChemistry, PhysicalPhase TransitionPhospholipid EthersFatty Acids, MonounsaturatedChromatography, Thin LayerPhospholipases AKineticsMembranesModels, ChemicalPhosphatidic AcidsMass SpectrometryPhospholipid Transfer ProteinsPressureOxidation-ReductionPlatelet Activating FactorChromatography, High Pressure LiquidSpectroscopy, Fourier Transform InfraredWaterCholineSurface PropertiesPhosphatidylglycerolsDiglyceridesSpectrometry, FluorescenceElectron Spin Resonance SpectroscopyPhospholipases A2LipidsLipoproteins, HDLFluorescent DyesCattleEthanolHydrolysisLiverSubstrate SpecificityModels, BiologicalLipoproteins, LDLMicroscopy, ElectronModels, MolecularCell Membrane