Particle SizeAerosolsPowdersNanoparticlesChemistry, PharmaceuticalDrug CompoundingTechnology, PharmaceuticalDrug CarriersMicrospheresSuspensionsExcipientsEmulsionsReproducibility of ResultsInhalation ExposureColloidsMicroscopy, Electron, ScanningLipoproteins, HDLLipoproteins, LDLSurface PropertiesChitosanSilicon DioxideSolubilityVirionDrug Delivery SystemsDrug StabilityMicroscopy, ElectronMetal NanoparticlesPolyglycolic AcidNanocapsulesMicroscopy, Electron, TransmissionMaterials TestingNebulizers and VaporizersPowder DiffractionTime FactorsParticulate MatterAir Pollutants, OccupationalEquipment DesignWettabilityPolymethacrylic AcidsLipoproteinsQuartzEnvironmental MonitoringNanostructuresFreeze DryingDelayed-Action PreparationsDigestionAnimal FeedPolymersApolipoprotein A-IPolystyrenesLipidsFiltrationDustCalorimetry, Differential ScanningNanotechnologyPolyethylene GlycolsWaterPorosityNanomedicineAdministration, InhalationSilverTriglyceridesApolipoproteinsPoloxamerSignal Recognition ParticleAir PollutantsNanospheresDiffusionLiposomesTabletsTemperatureHydrogen-Ion ConcentrationX-Ray DiffractionKineticsScattering, RadiationDosage FormsLatexCholesterol, HDLTitaniumPovidoneAir MovementsSensitivity and SpecificityViscosityCell LineModels, BiologicalMasticationRheologyPoaceaeSpectroscopy, Fourier Transform InfraredCalibrationSurface-Active AgentsVirus AssemblyRespiratory Protective DevicesCholesterolCentrifugation, Density GradientFreeze FracturingMethylcelluloseMetered Dose InhalersCelluloseLipoproteins, VLDL