Grams stain

Grams stain

(Science: microbiology, technique) a method for differential staining of bacteria; smears are fixed by flaming, stained in a solution of crystal violet, treated with iodine solution, rinsed, decolorised, and then counterstained with safranin o.

gram-positive organisms stain purple black and gram-negative organisms stain pink; useful in bacterial taxonomy and identification, and also in indicating fundamental differences in cell wall structure.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Grams_stain&oldid=43733"
First | Previous (Grams method) | Next (Grana) | Last
Please contribute to this project, if you have more information about this term feel free to edit this page.