Polyethylene GlycolsGlycolsEthylene GlycolsPropylene GlycolPropylene GlycolsHydrogelsMolecular Sequence DataKineticsDrug CarriersButylene GlycolsCryoprotective AgentsMolecular WeightPolymersTime FactorsCatharticsSolubilityHydrogen-Ion ConcentrationEscherichia coliBase SequenceCells, CulturedElectrophoresis, Polyacrylamide GelChromatography, High Pressure LiquidCattleWaterRabbitsAmino Acid SequenceCell LineGlycolatesSolventsParticle SizeLiverMicroscopy, ElectronThymineSurface PropertiesTemperatureRNA, MessengerDNAChemical PrecipitationChromatography, GasRecombinant ProteinsCulture MediaLiposomesCrystallizationPolyestersDrug Delivery SystemsSpecies SpecificitySurface-Active AgentsAdsorptionBiocompatible MaterialsMicellesTissue DistributionMutationProteinsCloning, MolecularHydrogelOsmium TetroxideDrug StabilityPlasmidsBacterial ProteinsChromatography, GelGlycerolChemistry, PharmaceuticalAmino AcidsAcetatesChromatography, Thin LayerDose-Response Relationship, DrugProtein BindingPharmaceutical VehiclesFatty AcidsCell MembraneMethodsOxidation-ReductionSwineDimethyl SulfoxideRats, Inbred StrainsMethacrylatesPhosphatidylethanolaminesDeoxyribonuclease (Pyrimidine Dimer)Materials TestingMolecular StructureGene ExpressionAlgorithmsModels, BiologicalHydrolysisCalciumGas Chromatography-Mass SpectrometryCryopreservationMass SpectrometrySkin AbsorptionPeptidesSodium ChlorideMicroscopy, Electron, ScanningAntigen-Antibody ComplexCell SurvivalOsmolar ConcentrationChemistryPhospholipidsSerum Albumin, BovineSequence Analysis, DNADextrans