Immunomagnetic SeparationNeoplastic Cells, CirculatingMagneticsCryptosporidium parvumCell SeparationEscherichia coli O157LeukapheresisAntigens, CD34OocystsSensitivity and SpecificityMicrospheresPolymerase Chain ReactionFlow CytometryChymopapainImmunologic TechniquesBone Marrow PurgingFecesT-Lymphocyte SubsetsBone Marrow NeoplasmsFood MicrobiologyNeoplasm MicrometastasisHematopoietic Stem CellsAntibodies, MonoclonalCryptosporidiumKeratin-8Blood Component RemovalEvaluation Studies as TopicPolyvinylsMagnetite NanoparticlesBacteriological TechniquesKeratin-7Hepatitis A virusMicropore FiltersAntigens, CD45ImmunophenotypingParasitologyFresh WaterAntigens, CDLymphocyte DepletionShiga Toxin 1Lymphocyte SubsetsGiardiaBone Marrow CellsMilkMicrofluidic Analytical TechniquesColony Count, MicrobialKeratinsHematopoietic Stem Cell TransplantationCattlePolystyrenesReverse Transcriptase Polymerase Chain ReactionHematopoietic Stem Cell MobilizationDNA, ProtozoanAntigens, NeoplasmCells, CulturedWater MicrobiologyAntibodies, BacterialFluorescent Antibody Technique