Microscopy, ElectronLiposomesSynaptic VesiclesTransport VesiclesCytoplasmic VesiclesSeminal VesiclesSecretory VesiclesPhosphatidylcholinesDrug CarriersPhosphatidylethanolaminesPhospholipidsCell MembraneLipid BilayersCOP-Coated VesiclesMembrane FusionPolyethylene GlycolsExocytosisBiological TransportEndocytosisKineticsDrug Delivery SystemsClathrin-Coated VesiclesPhosphatidylserinesParticle SizeMembrane LipidsGolgi ApparatusFluoresceinsHydrogen-Ion ConcentrationVesicular Transport ProteinsQuaternary Ammonium CompoundsCations1,2-DipalmitoylphosphatidylcholineMembranes, ArtificialProteolipidsPhosphatidylglycerolsFluorescent DyesCholesterolFreeze FracturingDimyristoylphosphatidylcholineEndosomesIntracellular MembranesClathrinClodronic AcidTemperatureMicroscopy, FluorescencePermeabilityMembrane FluidityCarrier ProteinsTissue DistributionSpectrometry, FluorescencePyridinium CompoundsProtein BindingBiological Transport, ActiveDrug StabilityMicellesMicrovilliOrganellesMolecular Sequence DataProtein TransportCattleLipidsCalciumMicroscopy, Electron, TransmissionAmino Acid SequenceCell FractionationUnilamellar LiposomesCalorimetry, Differential ScanningSNARE ProteinsDrug CompoundingModels, BiologicalNerve Tissue ProteinsMembranesSynaptotagminsMicroscopy, ConfocalCardiolipinsRabbitsScattering, RadiationSurface PropertiesValinomycinPresynaptic TerminalsCytoplasmic GranulesCell LineDetergentsCells, CulturedEgg YolkAdenosine TriphosphateSolubilityDoxorubicinVacuolesAnionsSphingomyelinsCell Membrane PermeabilityTime Factorsrab GTP-Binding ProteinsErythrocyte MembraneNanocapsulesSynapsinsEndoplasmic ReticulumQa-SNARE ProteinsOrganoids