NanoparticlesDrug Delivery SystemsFractionation, Field FlowDrug CarriersMetal NanoparticlesParticle SizeGoldNanotechnologyNanomedicineNanocapsulesNanostructuresPolymersChemistry, PharmaceuticalDelayed-Action PreparationsPolyglycolic AcidDrug CompoundingNanoconjugatesMagnetite NanoparticlesPolyethylene GlycolsChitosanDelivery, ObstetricMicroscopy, Electron, TransmissionTechnology, PharmaceuticalDendrimersSurface PropertiesLiposomesSilverEmulsionsMagneticsFerric CompoundsBiocompatible MaterialsPolyglactin 910Silicon DioxideQuantum DotsPharmaceutical PreparationsEmulsifying AgentsExcipientsCell Line, TumorPolystyrenesMicrospheresAdministration, OphthalmicMaterials TestingAdministration, CutaneousSkin AbsorptionUltrasonicsSolubilityNanospheresMicrobubblesHydrogelsNanotubes, CarbonConvectionNanocompositesMicellesPoloxamerPolyethyleneimineLactic AcidMicroscopy, Electron, ScanningGene Transfer TechniquesPorosityAerosolsPolyestersMagnetic FieldsFolic Acid TransportersTissue DistributionDextransZinc OxideDrug StabilityPharmaceutical Vehicles