Methylene blue
Sure, any basic stain can be used for simple, direct staining.
it depends on the animal
Because violet dye is the least expensive.
Usually, it does stain.
methane blue
Sure, any basic stain can be used for simple, direct staining.
To differentiate the spores from other similar looking structures in the cell that don't stain as the spores do.
vital dye in microbiology
Pink Dye
Malachite green
it depends on the animal
Because violet dye is the least expensive.
Usually, it does stain.
An organic stain is considered a biological stain using organic dye. Organic dyes used are often modified from the textile industry.
methane blue
Really depends on what type of red stain. Cleaning procedures are different for red dye or red wine for example.
it is a basic dye that will stain the cells. That makes it a positive stain.