Part One Collecting, separating, identifying and cryopreservation of umbilical cord
hematopoietic stem cells
Abstract
Objective To separate hematopoietic stem cells, this will be identified and cryopreserved, and used for transplantation from umbilical cord blood.
Methods:Separating nucleated cells (NC) and erythrocytes in umbilical cord blood by 6% hydroxyethyl starch (6%HES), counting NC by neubauer board. Flow cytometry to detect CD34 positive cells. Separated cells were preserved in ...