PhosphatidylcholinesCalorimetry, Differential ScanningLipid BilayersGlycerylphosphorylcholineMolecular ConformationPhospholipidsSphingomyelinsBiophysical Phenomena1,2-DipalmitoylphosphatidylcholineBiophysicsThermodynamicsDimyristoylphosphatidylcholineGelsPhosphatidylethanolaminesMembranes, ArtificialAcylationMembrane FluidityLiposomesX-Ray DiffractionMembrane LipidsMagnetic Resonance SpectroscopyEgg YolkMolecular StructureFatty Acids, UnsaturatedStructure-Activity RelationshipTemperatureDeuteriumLysophosphatidylcholinesCholesterolStearic AcidsMicellesFatty AcidsIsomerismPhysicochemical PhenomenaChemistry, PhysicalFluorescence PolarizationPhosphatidylcholine-Sterol O-AcyltransferasePulmonary SurfactantsPhase TransitionKineticsPhospholipid EthersChromatography, Thin LayerFatty Acids, MonounsaturatedMass SpectrometryModels, ChemicalChromatography, High Pressure LiquidPhospholipases APressureMembranesOxidation-ReductionPhosphatidic AcidsPhospholipid Transfer ProteinsPlatelet Activating FactorWaterSpectroscopy, Fourier Transform InfraredSurface PropertiesCholinePhosphatidylglycerolsDiglyceridesSpectrometry, FluorescenceElectron Spin Resonance SpectroscopyPhospholipases A2LipidsCattleEthanolFluorescent DyesHydrolysisLipoproteins, HDLLiverSubstrate SpecificityMicroscopy, ElectronModels, BiologicalLipoproteins, LDLModels, MolecularCell MembraneTreatment OutcomeSurgical Procedures, OperativeSurgical Procedures, Minimally Invasive