trypan blue

(redirected from Congo blue)
Also found in: Medical, Encyclopedia.

trypan blue

(ˈtrɪpən; ˈtrɪpæn; trɪˈpæn)
n
(Biology) a dye obtained from tolidine that is absorbed by the macrophages of the reticuloendothelial system and is therefore used for staining cells in biological research
[so called because it is trypanocidal: see trypanosome, -cide]
References in periodicals archive ?
By 1910, there were many textile dyes bearing the Congo name: Congo rubine, Congo corinth, brilliant Congo, Congo orange, Congo brown, and Congo blue.