LiposomesDrug CarriersPhosphatidylethanolaminesPolyethylene GlycolsPhosphatidylcholinesCationsDrug Delivery SystemsParticle SizeQuaternary Ammonium CompoundsPhospholipidsLipid BilayersGene Transfer TechniquesCation Exchange ResinsGenetic TherapyMembrane FusionDrug StabilityFatty Acids, MonounsaturatedTemperatureTransfectionHydrogen-Ion ConcentrationTissue DistributionFluoresceinsPharmaceutical VehiclesDrug Compounding1,2-DipalmitoylphosphatidylcholineMembrane FluidityMolecular Sequence DataKineticsPlasmidsCholesterolGenetic VectorsClodronic AcidTime FactorsDoxorubicinMembrane LipidsLecithinsLipidsMembranes, ArtificialPermeabilitySurface PropertiesPhosphatidylglycerolsScattering, RadiationPhenolphthaleinFluorescent DyesMice, Inbred BALB CDNACell LineRespirovirusAngina, StableFreeze FracturingProtein BindingMicellesCell MembraneSpectrometry, FluorescenceAmino Acid SequenceNanoparticlesPhosphatidylserinesCell Line, TumorProteolipidsInjections, IntravenousModels, MolecularMicrobubblesCapsulesChemistry, PharmaceuticalMononuclear Phagocyte SystemLab-On-A-Chip DevicesMicroscopy, ElectronMolecular StructureAntineoplastic AgentsStatic ElectricityAntibiotics, AntineoplasticTumor Cells, CulturedDimyristoylphosphatidylcholineRheniumMicrochip Analytical ProceduresHydrophobic and Hydrophilic InteractionsChemistry, PhysicalSonicationBase SequenceActiniumCryoelectron MicroscopyRecombinant ProteinsUnilamellar LiposomesCardiolipinsModels, BiologicalMice, NudeFreeze DryingCalorimetry, Differential ScanningMolecular ConformationCircular DichroismSolubilitySuccinic AnhydridesCell SurvivalDelayed-Action PreparationsFluorescein-5-isothiocyanatePolylysineAdsorptionMicroscopy, FluorescenceRabbitsStructure-Activity Relationship