Particle SizeAerosolsPowdersNanoparticlesChemistry, PharmaceuticalDrug CompoundingTechnology, PharmaceuticalDrug CarriersMicrospheresSuspensionsMicroscopy, Electron, ScanningExcipientsEmulsionsRadarSurface PropertiesMicrowavesCD4 Lymphocyte CountLipoproteins, HDLColloidsLipoproteins, LDLEquipment DesignChitosanInhalation ExposureZidovudineVirionSilicon DioxidePolyglycolic AcidDrug Delivery SystemsTime FactorsSolubilityMetal NanoparticlesNanocapsulesDrug StabilityMicroscopy, ElectronLoligoMicroscopy, Electron, TransmissionPowder DiffractionNebulizers and VaporizersMaterials TestingPolymethacrylic AcidsAIDS-Related ComplexHIV InfectionsWettabilityLipoproteinsParticulate MatterSilicatesDelayed-Action PreparationsNanostructuresQuartzFreeze DryingDigestionApolipoprotein A-IAIDS-Related Opportunistic InfectionsRNA, ViralAnti-Retroviral AgentsAnimal FeedWaterAir Pollutants, OccupationalImage Processing, Computer-AssistedDental InstrumentsPorosityPolymersPolystyrenesCalorimetry, Differential ScanningNanomedicinePolyethylene GlycolsSignal Recognition ParticleLipidsFiltrationPoloxamerNanospheresApolipoproteinsEquipment Failure AnalysisSilverDustNanotechnologyAdministration, InhalationRadio WavesTriglyceridesEnvironmental MonitoringTabletsDouble-Blind MethodDosage FormsPlatelet CountElectromagnetic FieldsReproducibility of ResultsAir PollutantsLeukocyte CountLiposomesPovidoneLatexTitaniumCholesterol, HDLCell CountDidanosineX-Ray DiffractionMasticationVirus AssemblyPoaceaeModels, Biological