Centrifugation, Density GradientCentrifugationCentrifugation, ZonalCentrifugation, IsopycnicCell FractionationMetrizamideCell SeparationMolecular WeightMicroscopy, ElectronPovidoneBone DensityElectrophoresis, Polyacrylamide GelUltracentrifugationTriiodobenzoic AcidsSubcellular FractionsKineticsCell MembraneChromatography, GelSucroseHydrogen-Ion ConcentrationTritiumSilicon DioxideElectrophoresisCesiumCattleLiverRabbitsMethodsChromatographyTime FactorsDetergentsChromatography, High Pressure LiquidPopulation DensityTemperatureImmunomagnetic SeparationSolubilityOrganoidsCell LineFiltrationMolecular Sequence DataCells, CulturedAnxiety, SeparationMacromolecular SubstancesChemical FractionationDiatrizoateOctoxynolDNADensitometryMembrane ProteinsLysosomesAmino AcidsNucleotidasesChromatography, Ion ExchangeErythrocytesPhospholipidsEscherichia coliLipoproteins, LDLChemical PrecipitationAmino Acid SequenceProteinsSpermatozoaLipoproteinsLipoproteins, HDLCytoplasmic GranulesCholesterolMembranesRats, Inbred StrainsChromatography, AffinityBiological TransportPolyethylene GlycolsModels, BiologicalCarbon IsotopesMicrosomesChromatography, DEAE-CelluloseOrganellesIntracellular MembranesProtein BindingElectrophoresis, CapillaryCell NucleusMagnesiumCytoplasmElectrophoresis, Agar GelPhosphorus IsotopesBase SequenceMembrane MicrodomainsChloridesCell CountAdenosine TriphosphatasesAcid PhosphataseCell-Free SystemFicollLipoproteins, VLDLCytosolSpecies SpecificityImmune SeraMutationThymidineCulture MediaHot TemperatureRibonucleases