trypan blue

(redirected from Congo blue)
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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]
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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.[3] Congo red is rarely used as a textile dye today because of its tendencies to change color when touched by sweaty fingers[10] and to stain the fabric of other garments when washed together.
The vegetable garden sprouts unusual "Congo Blue" potatoes and white carrots.