dye exclusion test

dye ex·clu·sion test

a test to determine cell viability in which a dilute solution of certain dyes (for example, trypan blue, eosin Y, nigrosin, Alcian blue) is mixed with a suspension of live cells; cells that exclude dye are considered to be alive whereas cells that stain are considered dead; it is not always an accurate test because it indicates only the structural integrity of the cell membrane.
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50] value achieved from MTT and trypan blue dye exclusion test (Table 1).
50] ([micro]g/ml) MTT Trypan Blue Dye Exclusion Test MCF-7 >110 54 [+ or -] 0.
It failed to exhibit cytotoxic action on PMNL as revealed by the dye exclusion test or irritant effect on rabbit cornea.