Micropore FiltersFiltrationWater MicrobiologyMembranes, ArtificialPolytetrafluoroethyleneBacteriological TechniquesFresh WaterWater SupplySewageWater PollutionCitrobacterMembranesEvaluation Studies as TopicEnterobacteriaceaeCell MembraneMembrane LipidsCulture MediaPolycarboxylate CementChlorineMethodsSterilizationIntracellular MembranesUltrafiltrationAdsorptionEscherichia coliMembrane PotentialsEthylene OxideEnterobacterAgarProteus vulgarisVena Cava FiltersBlood Vessel ProsthesisSeawaterBacteriaCollodionPoliovirusErythrocyte MembraneMembrane FluidityMicroscopy, Electron, ScanningEnterococcus faecalisFood MicrobiologyCell Membrane PermeabilityPolyethylene TerephthalatesBasement MembraneHymecromoneHydrogen-Ion ConcentrationFecesCelluloseMicrobiological TechniquesCell CountFluorocarbon PolymersAir MicrobiologyTemperaturePopliteal ArterySurface-Active AgentsStaining and LabelingCell LineSerratia marcescensFemoral ArteryWaterColony Count, MicrobialTime FactorsVirusesMembrane Transport ProteinsArteriovenous Shunt, SurgicalAir FiltersMembrane GlycoproteinsAir Pollutants, OccupationalStreptococcusLipid BilayersGraft Occlusion, VascularAnastomosis, SurgicalCattleSalmonellaDNA, BacterialMicroscopy, ElectronPseudomonasAnaerobiosisMitochondrial MembranesVascular PatencyBlood Vessel Prosthesis ImplantationProtein TransportKineticsHot TemperatureSynaptic MembranesModels, BiologicalPseudomonas aeruginosaProtein BindingLiposomesCalciumCell FractionationProtein Structure, TertiaryCoated Materials, BiocompatiblePaperVeinsCarrier ProteinsCells, CulturedMutationMolecular Sequence DataElectrophoresis, Polyacrylamide Gel