http://www.projecthalo.com/aura#Gram-Stain

A staining method that distinguishes between two different kinds of bacterial cell walls. TheGramstainingprotocolhastwosteps:(1)stainingwithcrystalvioletdye;and(2)destainingwithsafraninorcarbolfuchsin.Afterthestainingprotocol,Gram-negativebacteriaappearreddishorpink,whileGram-positivebacteriaaredarkblueorviolet.

Gram-Stain

Gram-Stain

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