AbsorptionIntestinal AbsorptionNanotechnologyNanostructuresMicroscopy, Atomic ForceQuantum DotsParticle SizeSurface PropertiesLightPolymersModels, ChemicalWaterNanoparticlesLipid BilayersMicroscopy, Electron, ScanningMicroscopy, FluorescenceModels, BiologicalSkin AbsorptionComputer SimulationBiological AvailabilitySpectrophotometry, AtomicX-Ray Absorption SpectroscopyJejunumSpectrophotometryIronSpectrum AnalysisIntestine, SmallZinc RadioisotopesAdministration, OralZincPhytic AcidIron RadioisotopesZinc IsotopesSpectrophotometry, UltravioletIntestinesDuodenumIleumFecesCaco-2 CellsMalabsorption SyndromesSitosterolsIntestinal MucosaLymphBiological TransportKineticsIron, DietaryDietCalcium, DietaryFerrous CompoundsEnterocytesHydrogen-Ion ConcentrationSodiumCopperPhytosterolsSpectrophotometry, InfraredAzetidinesCholesterolBile Acids and SaltsCross-Over StudiesArea Under CurveBicarbonatesLymphatic SystemTime FactorsChloridesChromatography, High Pressure LiquidFerritinsBileCalciumPerfusionSpectrometry, FluorescenceFood, FortifiedSpectrometry, X-Ray EmissionX-RaysGastrointestinal TransitRats, Sprague-DawleySolubilityColonTissue DistributionHalf-LifeIsotopesHemeMicrovilliXylosePhotochemistryLiverInjections, IntravenousDigestionFood-Drug InteractionsOxidation-ReductionTrioleinCalcium CarbonateCholesterol, DietaryPhosphorusDose-Response Relationship, DrugFoodBiological Transport, ActiveGlucoseCircular DichroismPharmacokineticsIntubation, Gastrointestinal