WITH reference to the advantage of this method described by A. van Itterbeck 1, it may be said 2 that another advantage it has over the capillary stream method lies in the insensitivity of the disc ...

Being a cationic dye, crystal violet can be used to stain negatively charged polymers such as DNA 18 and cell walls of bacteria, the latter of which is partially the basis of Gram staining to ...