Cryopreserved Clonetics Normal Human Osteobalsts (NHOst) are guaranteed through 10 population doublings, stain positive for alkaline phosphatase and mineralization. All cells test negative for mycoplasma, bacteria, yeast, and fungi. HIV-1, hepatitis B and hepatitis C are not detected for all donors and/or cell lots. A Certificate of Analysis is provided for each cell lot purchased. Benefits:Ready-To-Use No tissue dissection required Increased data reproducibilityCharacteristic morphology and staining tests confirm tissue origin and cell typeNegative for mycoplasma, bacteria, yeast and fungiCertificate of Analysis (CoA) is available for every batch Content:1 x Cryopreserved ampule of NHOst containing ≥ 500,000 cells