Application
Diaminobenzidine, as a benzidine substitute for myeloperoxidase, has less tinctorial power than benzidine. This made DAB much less attractive to histochemists. Hanker and associates improved DAB methodology. According to their modification, the brown reaction product is first intensified with copper salts and followed by application of Gill′s modified Papanicolaou stain, resulting in intense grey-black staining at sites of neutrophil and monocyte peroxidase.
Staining system for polymorphonucleocytes in blood or bone marrow films. The staining characteristics of polymorphonucleocytes are used to distinguish acute myelocytic leukemia from other types of leukemia.
General description
Used to demonstrate polymorphonuclear cells in blood or bone marrow films. Each kit has sufficient reagents for 10 uses.
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