The antifilarial action and toxicity of methylene violet and of other compounds of the phenosafranine series

Quirks of dye nomenclature. 11. Safranine and its relatives

Safranine was one of the earliest coal tar dyes following mauveine. By the end of the 19th century, many alkylated derivatives of safranine had been made. The history, identity, names, manufacture, analysis, toxicity, textile dyeing, and biological staining applications, plus some nonstaining uses of safranine, phenosafranine, methylene violet, amethyst violet, azocarmine, and Magdala red are described here.

Chemotherapeutic screening of compounds against Theileria annulata in tissue culture

Theileria annulata has been grown in tissue culture and these cultures have been used for screening compounds for chemotherapeutic activity against this parasite. The method described is simple and convenient for testing many compounds in a short time. Forty compounds, including antimalarials, trypanocides, and antibiotics, have been examined, but none has been found to be active.