Immunomagnetic SeparationCell SeparationNeoplastic Cells, CirculatingMagneticsSensitivity and SpecificityPolymerase Chain ReactionCryptosporidium parvumEscherichia coli O157FecesLeukapheresisOocystsAntigens, CD34Bacteriological TechniquesMicrospheresFood MicrobiologyEvaluation Studies as TopicImmunologic TechniquesFlow CytometryChymopapainBone Marrow PurgingLimit of DetectionBone Marrow NeoplasmsAntibodies, MonoclonalReproducibility of ResultsFresh WaterNeoplasm MicrometastasisCryptosporidiumMagnetite NanoparticlesParasitologyHematopoietic Stem CellsCulture MediaBlood Component RemovalPolyvinylsKeratin-8DNA, BacterialMicropore FiltersHepatitis A virusImmunoassayCattleKeratin-7Colony Count, MicrobialMolecular Sequence DataMicrofluidic Analytical TechniquesReverse Transcriptase Polymerase Chain ReactionMilkShiga Toxin 1GiardiaBase Sequence