Sysmex Corporation

Shimeru Kamihira

Ayumu Yoshida

A B-lymphocyte classifying method includes the steps of (1) preparing a measurement sample by mixing a blood sample with a lysing reagent to lyse erythrocytes and to shrink the B-lymphocytes in the blood sample, (2) letting the measurement sample flow through a flow cell of a flow cytometer, (3) radiating a light beam onto a cell in the measurement sample that is flowing through the flow cell, (4) detecting at least two scattered light emitted from the irradiated cell, (5) specifying a region of a B-lymphocyte cluster in accordance with the detected scattered light, and (6) counting the number of B-lymphocytes in the specified region.

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Nagasaki, Japan

Shimeru Kamihira