nitroblue tetrazolium(redirected from Nitro blue tetrazolium chloride)
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ni·tro·blue tet·ra·zo·li·um (NBT),
a pale yellow dye that is converted on reduction to colored formazans in the histochemical demonstration of dehydrogenases; used in hematology for staining of neutrophils to help indicate the presence of bacterial infections.
a yellow dye converted to a blue color on reduction.
nitroblue tetrazolium test
used to measure the phagocytic activity of polymorphonuclear leukocytes by the amount of color change in the dye.