Stains for gram-positive and gram-negative bacteria in just 10 minutes.
The Gram Stain Kit (Modified Brown & Brenn) is intended for the demonstration and differentiation of Gram-positive and Gram-negative bacteria. In the Brown & Brenn protocol, Safranin O and Hucker€™s Gentian Violet both serve as primary stains that produce blue stained gram-positive bacteria and red gram-negative bacteria and nuclei. Picric Acid/Acetone is used as a yellow counterstain.
Gram Positive Bacteria: Blue
Gram Negative Bacteria: Red
Other Tissue: Slightly Yellow - Pink