Abstract
We have succeeded in demonstrating and staining the capsule of Neisseria gonorrhoeae by a simple method. The presence of a capsule about the gonococcus has been reported only a few times and not substantiated, so that the Committee for Survey of Research on the Gonococcus and Gonococcal Infections1 concluded, “The opinion of the majority is that the gonococcus does not form a capsule.’ Israeli2 using a modified Hiss capsule stain found a clear or lightly stained zone, one to 3 times as wide as the organism; Szelvasi3 claimed that in older cultures the capsule stained more intensively, although he did not describe the capsule. Recently Almaden4 mordanted smears by Bailey's method, staining with carbol-fuchsin, and stated that capsules could be found when the organisms were in the mucoid state.In our work various technics have been tried, and finally Churchman and Emelianoff's5 method, with modifications, was successful. Absolutely clean slides as used for flagella stains were employed; a drop of a slightly...
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