Metabolic Flux AnalysisCitric Acid CycleModels, BiologicalMetabolic Networks and PathwaysGlycolysisBiological TransportSodiumCarbonPentose Phosphate PathwayCarbon IsotopesChloridesKineticsGlucosePotassiumCalciumCell Membrane PermeabilityBiological Transport, ActiveSodium IsotopesCarbon CyclePyruvic AcidBiomassPermeabilityEnergy MetabolismIon TransportCarbon DioxideMetabolismNitrogenWaterHydrogen-Ion ConcentrationMembrane PotentialsOuabainEnzymesGluconeogenesisBicarbonatesAdenosine TriphosphateRubidiumMagnetic Resonance SpectroscopyPortal SystemSkin AbsorptionDiffusionMannitolOxidation-ReductionLactic AcidGlutamineOxygen ConsumptionAmmoniaPotassium IsotopesMathematicsIsotope LabelingIonsLiverAcetatesIon ChannelsComputer SimulationTime FactorsPerfusionVisceraAtmosphereSodium RadioisotopesGlucose-6-PhosphateErythrocytesLactatesCell MembranePyruvate CarboxylaseOxygenModels, TheoreticalGlyoxylatesDiffusion Chambers, CultureAmino AcidsCells, CulturedPyruvatesCalcium SignalingSoilIon ExchangeBumetanideProtonsOsmolar ConcentrationUreaAmilorideAcetyl Coenzyme ARats, Inbred StrainsMetabolomeAutophagyIntestinal AbsorptionRabbitsGlycerolCarbon RadioisotopesGlycogenSystems BiologyOxaloacetic AcidEpitheliumElectric ConductivityOsmosisEscherichia coliAlgorithmsPhotosynthesisCorynebacterium glutamicumRadioisotopesPyruvate KinaseCell Respiration