Why Is Staining Important in Bacteriological Examination?

The chemical nature of the cells under examination determines which stain is selected for use. Cell staining is important in the diagnosis of microorganisms because bacteria can be identified by the color differentiation of stains (dyes). ... Other antibiotics are only effective against gram-negative bacteria.

What is the purpose of staining in bacteriology?

Why Stain Cells? The most basic reason that cells are stained is to enhance visualization of the cell or certain cellular components under a microscope. Cells may also be stained to highlight metabolic processes or to differentiate between live and dead cells in a sample.

What is the importance of staining?

Staining is used to highlight important features of the tissue as well as to enhance the tissue contrast. Hematoxylin is a basic dye that is commonly used in this process and stains the nuclei giving it a bluish color while eosin (another stain dye used in histology) stains the cell's nucleus giving it a pinkish stain.