trypan
(ˈtrɪpən)
[Short for Trypanosoma.]
In trypan blue [rendering G. trypanblau], a diazo dye used as a vital stain and in the treatment of trypanosomiasis and other protozoan infections. trypan red [rendering Ger. trypanrot], a drug used in cases of trypanosomiasis.
| 1905 Brit. Med. Jrnl. 27 May 1140 The treatment of trypan red in various trypanosomic diseases. 1907 Daily News 31 Aug. 4 According to ‘The Hospital’, the correct name for trypan red, which is now used in cases of trypanosomiasis, is ‘sodium-ortho-benzidine-mono-sulphoacid-diazo-b-2-naphthylamine-3.6-sulphoacid’! [1909 Parasitology II. 187 Trypanblau and Trypanrot are highly efficient remedies in the treatment of canine piroplasmosis.] 1911 Chem. Abstr. V. 3495 (heading) Tryparosan, trypan red, trypan blue and parafuchsin in immunization against rabies. 1980 Nature 8 May 110 (caption) Viable cells (trypan blue exclusion) at 16 h after infection normally contained approximately 10% bi- and multinucleated heterokaryons. |