Sterile Products Flashcards
Destruction of all living organism and their spores or their complete removal from the preparation.
Sterilization
Sterilization Methods
- Steam Sterilization
- Dry Heat Sterilization
- Filtration
- Gas Sterilization
- Ionizing Radiation
Steam Sterilization is also known as
Moist Heat Sterilization
Instrument used in Steam Sterilization
Autoclave
121°C,15 psi
15 - 20 minutes
Mechanism of Action of Steam Sterilization
Protein denaturation and Coagulation
Biological indicator in Steam Sterilization
Bacillus stearothermophilus
Instrument used in Dry Heat Sterilization
Oven
150 - 170°C
2-4 hours
Mechanism of Action of Dry Heat Sterilization
Oxidation
Biological Indicator used on Dry Heat Sterilization
Bacillus subtilis
Instrument used in Filtration
Membrane Filter Media
Mechanism of Action of Filration
Physical separation
For heat-labile solutions
Agents used in Gas Sterilization
Ethylene oxide
Propylene oxide
β-propiolactone
MOA of Gas Sterilization
Alkylation (Nucleic Acid, Proteins)
Biological Indicator in Gas Sterilization
Bacillus subtilis
Instrument in Ionizing Radiation
Gamma & Cathode Rays