Negative staining of Viruses

Negative staining of Viruses

What is the Negative staining of Viruses? Staining techniques are designed to show contrast under microscopic observation. The staining of viruses is done to increase the contrast between the virus and the background. The use of an electron microscope intensifies the density of electron toward the stain. Negative staining is one of the most excellent … Read more Negative staining of Viruses

Ziehl-Neelsen Staining- Principle and Procedure with Results

Procedure for Ziehl-Neelsen Staining

What is Ziehl-Neelsen staining? The Ziehl-Neelsen staining technique is a differential staining technique that was initially developed by Ziehl and modified later by Neelsen, hence the name Ziehl-Neelsen stain. Neelsen used carbol-fuschin from Ziehl’s experiment, with heat and added a decolorizing agent using acid-alcohol and a counterstain using methylene blue dye, thus developing the Ziehl-Neelsen … Read more Ziehl-Neelsen Staining- Principle and Procedure with Results