Explain procedure for acid fast staining, Biology

Assignment Help:

Explain Procedure for Acid Fast Staining?

Carry out the exercise using the steps enumerated herewith.

1. Label the clean, non-greasy slides and make smears of M. smegmatis, S. aureus and mixture of two on them.

2. Allow the smear to air dry and then fixed the smear by heating.

3. Cover the smear with carbol fuchsin and put the slide on a beaker of warm water. Allow the steam to pass through smear for five minutes. Replenish the stain, if needed.

4. Allow the slide to cool. Then wash the smear with tap water.

5. Decolourize the smear by adding acid alcohol drop wise till the clean alcohol with slight red tinge comes out.

6. Wash the slide with tap water.

7. Flood the smear with methylene blue for two minutes.

8. Wash the smear with tap water. 9. See under 100x after air drying.


Related Discussions:- Explain procedure for acid fast staining

Summary of accident causation, Summary of Accident Causation In the li...

Summary of Accident Causation In the light of above theories it is concluded that the decision of workers to work safe is largely influenced by external factors such as meetin

What are the frequencies of dominant and recessive allele, In a population ...

In a population of 200, 90 are homozygous dominant, 40 are heterozygotes, and 70 are homozygous recessive for a particular trait. What do you expect the frequencies of the dominant

Define the primary stain and mordant, Define the Primary Stain and Mordant?...

Define the Primary Stain and Mordant? (i) Primary Stain - Crystal violet is the primary or first stain, which stains all the cells violet/purple. (ii) Mordant - Gram's iodin

Define derived proteins - primary protein derivatives, Define Derived prot...

Define Derived proteins -  Primary Protein Derivatives? Derived proteins are the derivatives of the protein molecule, apparently fonned through hydrolytic changes in the molecu

State in brief about the comprehensive neuropsychology, State in brief abou...

State in brief about the Comprehensive neuropsychology Comprehensive neuropsychology testing needs a combination of Context related ideometric and quantitative psychometric app

Consumers-biotic components , Consumers Heterotrophs (other nourishing...

Consumers Heterotrophs (other nourishing) are incapable of photosynthesis and depend on organic food derived from animals, plants or both. Consumers can be divided into two br

Structure of proteins, STRUCTUR E OF PROTEINS Proteins which are mixed...

STRUCTUR E OF PROTEINS Proteins which are mixed polymers of amino acids can have up to four structural levels - Primary, Secondary, Tertiary, Quaternary 1 .       PRIMA

Explain the prevalence of iron deficiency anaemia, Explain the Prevalence o...

Explain the Prevalence of iron deficiency anaemia? We can find out about the prevalence of anaemia if we know what percentage of population is suffering from anaemia. The WHO h

Explain about the musculoskeletal system, Explain about the Musculoskeletal...

Explain about the Musculoskeletal System? Osteopenia (decrease in bone mineral content) is observed with aging. There is an average of 30% decline in the bone mineral density f

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd