| 摘要 |
An improved system for removing cells from bone marrow wherein the cells are bound by monoclonal antibodies conjugated to magnetic particles, the system comprising a chamber provided with inlets and outlets for flowing through the chamber a liquid sample containing the bone marrow and magnetic conjugated antibodies bound to the cells and a magnetic field source associated with the chamber wherein the improvement comprises a non-uniform magnetic field in an ascending gradient from the inlet to the outlet.
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