staining

 Staining

Staining is technique used to enhance contrast in samples, generally at microscopic level.

It help to study; 

Morphology 

Size

Arrangement of bacteria

Detection of other cellular material

Type of Staining/ Staining Technique

Major type of staining used in microbiology for identification of microorganisms are;

1. Simple staining

Using only methylene blue.

2. Differential staining

a. Gram's stain

b. Albert's stain

c. Acid fast stain 

3. Special stain

a.  -ve staining 

b. Capsular staining

c. Spore staining