Immunomagnetic SeparationNeoplastic Cells, CirculatingMagneticsCryptosporidium parvumLeukocytes, MononuclearCell SeparationEscherichia coli O157LeukapheresisOocystsAntigens, CD34Sensitivity and SpecificityMicrospheresPolymerase Chain ReactionChymopapainFlow CytometryImmunologic TechniquesBone Marrow PurgingFecesBone Marrow NeoplasmsFood MicrobiologyNeoplasm MicrometastasisCryptosporidiumEvaluation Studies as TopicKeratin-8Antibodies, MonoclonalBlood Component RemovalPolyvinylsMagnetite NanoparticlesHematopoietic Stem CellsBacteriological TechniquesKeratin-7Hepatitis A virusMicropore FiltersParasitologyFresh WaterAntigens, CD45ImmunophenotypingAntigens, CDShiga Toxin 1GiardiaLymphocyte DepletionCells, CulturedMilkMicrofluidic Analytical TechniquesColony Count, MicrobialCattleBone Marrow CellsHematopoietic Stem Cell TransplantationKeratinsPolystyrenesReverse Transcriptase Polymerase Chain ReactionT-LymphocytesHematopoietic Stem Cell MobilizationDNA, ProtozoanAntigens, NeoplasmCryopreservationAntibodies, BacterialWater Microbiology