Pharmaceutical VehiclesDrug Delivery SystemsDrug CarriersNanoparticlesMotor VehiclesNanomedicineDelayed-Action PreparationsChemistry, PharmaceuticalParticle SizeDrug CompoundingPolymersDelivery, ObstetricNanocapsulesTechnology, PharmaceuticalLiposomesEmulsionsNanotechnologyNanostructuresPolyglycolic AcidAdministration, CutaneousAccidents, TrafficChitosanPharmaceutical PreparationsPolyethylene GlycolsSkin AbsorptionBiocompatible MaterialsExcipientsDendrimersAdministration, OphthalmicAutomobilesUltrasonicsMicrospheresEmulsifying AgentsVehicle EmissionsMicrobubblesHydrogelsSolubilityNanoconjugatesOff-Road Motor VehiclesRats, Sprague-DawleyDrug Administration RoutesGene Transfer TechniquesMicellesInfusion Pumps, ImplantablePregnancyBlood-Brain BarrierCapsulesAutomobile DrivingBiological AvailabilityPolyglactin 910Surface PropertiesPoloxamer