Reagent system for the improved determination of white blood cel

Details Reagent system for the improved determination of white blood cel Reagent system for the improved determination of white blood cel

1991-06-07

1994-05-31

Housel, James C.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

436 17, 436 18, 2524081, G01N 128

Patent

active

053167252

ABSTRACT:
A lytic reagent composition highly selective in its interactions with the cell membranes of white blood cells and also provides a method of using the reagent composition in a particle analyzing system to effect a significantly improved white blood cell differential determination. The lytic reagent composition is characterized by an ability to selectively shrink the white blood cells into the increasing size order of lymphocytes, basophils, monocytes, eosinophils and neutrophils, and effect a five component separation of these major subpopulations of white blood cells on the histogram of an automated blood analyzer when used in conjunction with a suitable blood diluent.

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Koepke et al., "A Critical Evaluation of the Manual/Visual Differential Leukocyte Counting Method", Blood Cells 11:173-186 (1985).

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