formazan
9.9
A colored chemical made during lab tests to show if cells are alive
- noun
- /fɔrˈmæzən/
- Specialized
:
formazano
- During the experiment, the formazan produced a color change that indicated the presence of viable cells.
Examples
-
After adding tetrazolium salts, the formation of formazan was observed as a purple precipitate.
-
Formazan crystals were solubilized in 10% Triton X-100 and 0.1 N HCl in anhydrous isopropanol after repeated pipetting.
Academic text (2016) -
The laboratory technician used formazan to measure cell viability in the assay.
Surface Forms
Etymology
Formazan comes from the idea of something being formed plus the chemical ending -azan, so think of form as 'to make' and -azan as a chemistry ending. So, formazan is the colored substance 'formed' in lab tests that shows whether cells are alive.