A NEW method of providing dyes for some of the commoner staining procedures has been developed and tested. A small volume of the required dye solution is prepared according to the appropriate formula.

Hans Christian Gram, the inventor of the Gram staining technique, was a pioneering biologist who devised the system of classification which led to as many as 30,000 formally named species of bacteria ...

Staining is one of the most important steps in the preparation of biological microscope slides. First destroy the selective permeability of the cell membrane, and then use the dye to immerse the ...