Method of identifying polymethine stained lymphocyte...

Details Method of identifying polymethine stained lymphocyte... Method of identifying polymethine stained lymphocyte...

G - Physics

01

N

150/13, 150/5

G01N 1/30 (2006.01) G01N 33/50 (2006.01) G01N 33/52 (2006.01) G01N 33/574 (2006.01)

Patent

CA 1289042

ABSTRACT This invention is directed to the use of specific polymethine dyes for staining fixed biopsy specimens of hematopoietic origin consisting of blood, bone marrow and lymph node cells for purposes of identifying and enumerating the stained cells when viewed under dark field illumination. The polymethine dyes, e.g. Astrazon Red, Violet FRR, stain the lymphocyte subpopulations distinct colors capable of being viewed under dark field illumination for purposes of distinguishing one stained cell from another. This method of staining and the compositions thereof represents an advance in the art of lymphocyte subpopulation identification which was achieved heretofore primarily by using monoclonal antibody techniques.

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