Nitroblue Tetrazolium |
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| Nitro-BT; Nitrotetrazolium Blue; Tetrazolium Nitroblue; Blue, Nitrotetrazolium; Nitroblue, Tetrazolium; Tetrazolium, Nitroblue | |
| Colorless to yellow dye that is reducible to blue or black formazan crystals by certain cells; formerly used to distinguish between nonbacterial and bacterial diseases, the latter causing neutrophils to reduce the dye; used to confirm diagnosis of chronic granulomatous disease. | |