GRAM STAIN Kit is intended for the demonstration and differentiation of Gram-positive and Gram-negative bacteria.
Gram Stain Positive Bacteria: Blue
Gram Stain Negative Bacteria: Red
Other Tissue: Yellow
GRAM STAIN Nuclei: Red
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Methylene Blue Solution
Methylene Blue Solution (Loeffler's) is used in various procedures such as the Ziehl-Neelsen, Fite's, and Gram stain. The stain is also suggested for use in staining a variety of bacteria (Corynebacterium diphtheria, Haemophilus influenzae, Neisseria, etc.) and leukocytes. This reagent produces dark blue nuclei with lighter blue cytoplasm.
Nuclei: Dark Blue
Cytoplasm: Light Blue
Corynebacterium Diphtheria: Blue Granules
Escherichia Coli: Blue Rods
Streptococcus Pyogenes: Blue Cocci
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