Drug Delivery SystemsDrug CarriersNanoparticlesDelivery, ObstetricDelayed-Action PreparationsChemistry, PharmaceuticalDrug CompoundingEmulsionsParticle SizeGene Transfer TechniquesNanocapsulesPolymersTechnology, PharmaceuticalChitosanLiposomesPolyglycolic AcidDelivery of Health CareNanomedicineEmulsifying AgentsGenetic TherapyExcipientsPolyethyleneimineAdministration, CutaneousGenetic VectorsMicrospheresDelivery of Health Care, IntegratedSkin AbsorptionPolyethylene GlycolsPolyglactin 910SolubilityDosage FormsPoloxamerBiocompatible MaterialsPregnancyNanotechnologyDrug StabilityAdministration, OphthalmicNanostructuresBiological AvailabilityCesarean SectionHydrogelsCapsulesPharmaceutical VehiclesDrug ImplantsDendrimersPolyestersPharmaceutical PreparationsLactic AcidTabletsGelsMethylcelluloseNanospheresPolymethacrylic AcidsAdministration, OralPolylysineSurface-Active AgentsNanoconjugatesCell Line, TumorInfusion Pumps, ImplantableMicellesOilsTransfectionNebulizers and VaporizersAerosolsCell-Penetrating PeptidesHospital-Physician RelationsDrug ChronotherapyMicroscopy, Electron, TransmissionUnited StatesDrug Administration RoutesPowdersPlasmidsEquipment DesignMaintenance and Engineering, HospitalGelatinMice, Inbred BALB CMicroscopy, Electron, ScanningAdenoviridaeAdhesivesCell SurvivalAlginatesTime FactorsLecithinsModels, OrganizationalInfant, NewbornMaterials TestingHexuronic AcidsAcrylic ResinsGlucuronic AcidNanofibersSurface PropertiesAdministration, InhalationRNA, Small InterferingHealth Care ReformTissue DistributionAdministration, TopicalHydrogelProdrugsTransdermal PatchPregnancy Outcome