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Additional recommended knowledge
Nigrosin is negatively charged and this property is used to stain bacteria which are usually also negatively charged.
Advantages of using this dye rather than regular base stains like methylene blue or carbol fuchsin include its ability to stain many microorganisms that cannot be stained by regular methods, absence of heat fixing or many other methods that may harm the subject and possibly distort the data, and the fact that it is relatively fast and simple.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Nigrosin". A list of authors is available in Wikipedia.|