HydrogelsHydrogelBiocompatible MaterialsPolyethylene GlycolsTissue EngineeringCells, ImmobilizedMechanical PhenomenaElastic ModulusBiomimetic MaterialsMaterials TestingTissue ScaffoldsPolyhydroxyethyl MethacrylateRheologyHyaluronic AcidAlginatesIridoid GlycosidesCross-Linking ReagentsAcrylamidesHexuronic AcidsGlucuronic AcidGelatinMethacrylatesPolymersPorosityPhotochemical ProcessesClick ChemistryNorbornanesPolymerizationCompressive StrengthBiomimeticsDelayed-Action PreparationsViscosityPolymethacrylic AcidsCell Culture TechniquesImplants, ExperimentalExtracellular MatrixDrug Delivery SystemsIridoidsChitosanMicroscopy, Electron, ScanningCell SurvivalMesenchymal Stromal CellsChondrogenesisAcrylatesDrug CarriersAcrylic ResinsSurface PropertiesViscoelastic SubstancesNanofibersPolyestersCells, CulturedSepharoseMolecular MimicryNIH 3T3 Cells