ROCHESTER, NY--(Marketwire - November 29, 2007) - Using a microtube device coated with the protein P-selectin, researchers have isolated and collected adult stem cells residing in human bone marrow to eight times greater purity than can be obtained through traditional centrifugation, CLINICAL CHEMISTRY reported in the current issue (http://www.clinchem.org/cgi/content/abstract/clinchem.2007.089896). This new proprietary technique, which is less costly and easier to use than current procedures, has been demonstrated to capture a significant quantity of viable hematopoietic stem and progenitor cells (HSPCs) from bone marrow in an in-vitro setting.