EcholocationPhase TransitionLipid BilayersPhosphatidylcholinesPhysicochemical PhenomenaChemistry, PhysicalMembrane Fluidity1,2-DipalmitoylphosphatidylcholineTemperatureUnilamellar LiposomesMembrane LipidsMembranes, ArtificialPolyethylene GlycolsPhysical PhenomenaCalorimetry, Differential ScanningMembrane MicrodomainsPolymersDimyristoylphosphatidylcholineComplex MixturesMolecular ConformationWaterBenzyl AlcoholDetergentsbeta-KeratinsChemical FractionationThermodynamicsPorosityPhysicsSphingomyelinsModels, ChemicalSolutionsGelsPhosphatidylethanolaminesCell MembraneSurface PropertiesLiposomesGlycolsPhospholipidsHydrophobic and Hydrophilic InteractionsDiphenylhexatrieneCholesterolNanostructuresX-Ray DiffractionSolubility