Please wear gloves and work with the stain in the hood. Place a piece of paper towel on top of the dye. Be sure the paper towel is saturated with the dye. Counterstain with Methylene Blue for 30 ...

Staining cells: Methylene blue stains negatively charged cell components, such as nucleic acids, a blue color. This makes it easier to see cells under a microscope. Detecting pathogens ...

It was found in general that if the organisms in question survived drying and fixing, little effect was seen from the use of methylene blue. Many were killed by carbolfuchsin, and all by anilin ...

This type of stain allows us to observe the shape, size and arrangement of bacteria. 1. Use the smear prepared in the previous procedure. Staining is done at the sink. 2. Add several drops of ...