Particle SizeVirionMicroscopy, ElectronSignal Recognition ParticleNanoparticlesVirus AssemblyAerosolsVaccines, Virus-Like ParticleSubmitochondrial ParticlesParticulate MatterFreeze FracturingCell LineCapsidMicrospheresCentrifugation, Density GradientAlpha ParticlesLatexCapsid ProteinsDefective VirusesColloidsInclusion Bodies, ViralSilicon DioxideAir PollutantsPolystyrenesInhalation ExposureVehicle EmissionsPowdersRibonucleoproteinsLipoproteins, HDLMolecular Sequence DataVirus ReplicationMicroscopy, Electron, ScanningVirosomesViral ProteinsMicroscopy, Electron, TransmissionSurface PropertiesViral InterferenceRNA, ViralCryoelectron MicroscopyApolipoprotein A-IGene Products, gagDrug CarriersLipoproteinsTitaniumMetal NanoparticlesFreeze EtchingLipoproteins, LDLAmino Acid SequencePhagocytosisBase SequenceElementary ParticlesCell MembraneDNA, ViralChemistry, PharmaceuticalEmulsionsDrug CompoundingElectrophoresis, Polyacrylamide GelVaccines, VirosomeNucleoproteinsKineticsApolipoproteins BViral Envelope ProteinsGenetic VectorsTechnology, PharmaceuticalAdsorptionVirus ReleaseNanostructuresAir Pollutants, OccupationalGoldSuspensionsMagneticsMolecular WeightCarbonHeLa CellsNanotechnologyDustLipoproteins, VLDLTemperatureApolipoproteinsEnvironmental MonitoringUltracentrifugationDrug Delivery SystemsMaterials TestingQuartzPhosphotungstic AcidCytoplasmReoviridaeSootMutationCells, CulturedProtein BindingFerric CompoundsHIV-1Air MovementsModels, BiologicalVirusesCricetinaeFiltrationTime FactorsMagnetite Nanoparticles