Thiazolyl Blue Tetrazolium Bromide has been used as a colorimetric metabolic activity indicator in cell viability assays (MTT assay). It has also been used to determine cell proliferation.
Thiazolyl Blue Tetrazolium Blue (MTT) may be used in measurement of cell proliferation. MTT produces a yellowish solution that is converted to dark blue, water-insoluble MTT formazan by mitochondrial dehydrogenases of living cells.