Originally a brand name. <span class="searchmatch">protargol</span> (uncountable) Silver proteinate used for staining in electron microscopy....
carbohydrate electron microscopy and historically to treat gonorrhea before the discovery of antibiotics. Synonyms: (archaic) argentoproteinum, <span class="searchmatch">protargol</span>...
Gonococcus. 1916, Military Medicine, volume 39, page 605: The argyrol and <span class="searchmatch">protargol</span> solutions appear to have been used with excellent results in spite of...