FiltrationGlomerular Filtration RateChromatography, GelMolecular WeightKidneyChromatography, Ion ExchangeCreatinineKidney Function TestsElectrophoresis, Polyacrylamide GelInulinGlomerular Filtration BarrierKidney DiseasesKidney GlomerulusRenal CirculationFiltering SurgeryKineticsAmino AcidsCystatin CMicropore FiltersHydrogen-Ion ConcentrationRenal Insufficiency, ChronicUltrafiltrationChromatographyChromatography, AffinityTechnetium Tc 99m PentetateAlbuminuriaIothalamic AcidSubstrate SpecificityProteinuriaIsoelectric FocusingChromatography, DEAE-CellulosePodocytesKidney Failure, ChronicKidney TubulesAmino Acid SequenceNatriuresisIsoelectric PointNephronsMolecular Sequence DataDiuresisBlood PressureMacromolecular SubstancesRenal InsufficiencyChromatography, High Pressure LiquidRabbitsRenal Plasma FlowUltracentrifugationCarbohydratesCattleCapillary PermeabilityImmunodiffusionCystatinsDiabetic NephropathiesWater MicrobiologyChemistrySodiumEscherichia coliTemperatureChemical PhenomenaTime FactorsAminohippuric AcidsElectrophoresis, DiscEdetic AcidSolubilityRadioisotope RenographyProtein BindingRats, Inbred StrainsIohexolChemical PrecipitationMethodsCentrifugation, Density GradientPuncturesHot TemperatureAmmonium SulfateWater PurificationNephrectomyChromatography, AgaroseDogsBiological MarkersHydrostatic PressureCentrifugationPeptide FragmentsChromium RadioisotopesTrypsinBlood ProteinsHemodynamicsLiverAcute Kidney InjuryHydroxyapatitesSodium ChlorideCations, DivalentKidney Tubules, ProximalDialysisEnzyme StabilityMetabolic Clearance RateWater-Electrolyte BalanceKidney TransplantationGlycoproteinsImmunoelectrophoresisMicroscopy, Electron