PorosityMembranes, ArtificialMembranesCell MembraneMembrane LipidsIntracellular MembranesMembrane PotentialsNuclear PoreFiltrationCell Membrane PermeabilityMicropore FiltersMembrane FluidityTissue ScaffoldsErythrocyte MembraneMicroscopy, Electron, ScanningPermeabilityBasement MembraneLipid BilayersNuclear Pore Complex ProteinsTissue EngineeringBiocompatible MaterialsSilicon DioxideDiffusionPolyestersMicroscopy, ElectronMaterials TestingMembrane Transport ProteinsPolymersLiposomesNanoporesModels, BiologicalIon ChannelsMembrane GlycoproteinsBone SubstitutesParticle SizePorinsCell LineSurface PropertiesMitochondrial MembranesNanostructuresProtein TransportWaterMolecular Sequence DataHydrogen-Ion ConcentrationModels, MolecularElectric ConductivityPolycarboxylate CementNanofibersAmino Acid SequenceProtein Structure, TertiaryProtein BindingEscherichia coliCalciumSynaptic MembranesCells, CulturedTemperatureMicroscopy, FluorescenceIon Channel GatingNuclear EnvelopeMolecular WeightAbsorbable ImplantsAluminum OxidePolyethylene GlycolsTime FactorsMutationAdsorptionMicroscopy, ConfocalNanotechnologyRabbitsPolyglycolic AcidCell FractionationCarrier ProteinsCattleBacterial ProteinsPhosphatidylcholinesKineticsSolubilityMitochondrial Membrane Transport ProteinsDetergentsProtein ConformationPotassiumDextransElectrophoresis, Polyacrylamide GelEndoplasmic ReticulumDurapatiteExtraembryonic MembranesMicroscopy, Electron, TransmissionMitochondriaRecombinant Fusion ProteinsCytoplasmBinding SitesSilica GelModels, ChemicalMolecular ConformationProtein Structure, SecondaryFreeze FracturingGolgi ApparatusSiliconHydrogelsBiomimetic Materials