Sterilization by f
-Sterilization by filtration
Filters are used to remove bacteria and all large microorganisms from liquids. This method is used in the laboratory separation of soluble products of bacterial growth, such as toxins, and in the pharmaceutical preparation of thermolabile fluids such as antibiotic solutions, radio pharmaceuticals and blood products .(134)
-Sterilization with chemicals
A chemical sterilization process that is becoming increasingly popular, makes use of ethylene oxide gas which used normally with other gases such as freons, carbon dioxide, and water vapor .(101)
- Ethylene oxide
Ethylene oxide is used to sterilize the materials are sensitive to high temperatures,(5) specially medical devices such as plastic catheters and fabric used in heart prostheses (134)
-Oxidizing agents
Hydrogen peroxide effectively kills most bacteria and all organisms including spores. Hydrogen peroxide is used to sterilize plastic implants, contact lenses and surgical prostheses (135)
-Glutaraldehyde
Glutaraldehyde is used to sterilize instruments that can be autoclaved. It kills vegetative bacteria including the tubercle bacillus, viruses, fungi and pathogenic spores
