Sterilisation and type of Sterilisation

What is steSterilisat

Sterilisation is a process which an article, surface or medium is made free cell microorganisms either in vegetative or spore from.

Uses of sterilisation

1. Sterilisation of materials, instruments used in surgical and diagnostic procedures.

2. For media and reagents used in the microbiology laboratory.

3. In food and drug manufacturers to ensure safety from contaminating organisms.

Methods of Sterilisation

A. Physical methods

B. Chemical methods

Physical methods

1. Sunlight
2. Heat
3. Ozone
4. Filtration
5. Radiation

Chemical Methods

Chemical methods are done by treating with chemical compounds
1. Alcohols
2. Aldehydes
3. Phenols
4. Halogens
5. Oxidising Agent's
6. Sales
7. Surface Active Agents
8. Dyes
9 Vapour Phase Disinfectant