UreaBlood Urea NitrogenAmmoniaUreaseNitrogenAlgorithmsUrea Cycle Disorders, InbornSoftwareTime FactorsReproducibility of ResultsAdministration, TopicalProtein DenaturationModels, BiologicalMolecular Sequence DataKidney Concentrating AbilityKineticsSensitivity and SpecificityComputer SimulationHydrogen-Ion ConcentrationWaterEquipment DesignUser-Computer InterfaceMembrane Transport ProteinsCattleKidney MedullaAmino AcidsBiotechnologyBiosensing TechniquesKidneyNanotechnologyRats, Sprague-DawleyComputational BiologyDose-Response Relationship, DrugOsmolar ConcentrationCreatinineTemperatureModels, StatisticalModels, TheoreticalInternetProteinsAmino Acid SequenceDietary ProteinsPolymersBiocompatible MaterialsNanostructuresFluorescent DyesNanoparticlesArginaseDrug Delivery SystemsNitrogen IsotopesSurface PropertiesJob ApplicationBase SequenceCells, CulturedModels, MolecularMaterials TestingKidney Tubules, CollectingLiverSwineMolecular StructureRats, WistarRabbitsMedical Informatics ApplicationsArgininosuccinate SynthaseSequence Analysis, DNAAnimal Feed