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
Mechanism used in Ionizing Radiation
DNA Mutation
Biological indicator used in Ionizing Radiation
Bacillus pumilus
Depyrogenation
180°C for 4 hours
250°C for 45 minutes
650°C for 1 minute
Most common pyrogen
Endotoxin
Sterile Production Area
Clean Rooms
Air Lock
Area with environmental control of particulate and microbial contamination, constructed, and reduce introduction, generation, and retention of contaminants; positive pressure air flow
Clean Rooms
An enclosed space with two or more doors, interposed between two or ore rooms, to control the airflow between rooms
Air Lock
For cleaning and wearing of PPE (class 100,000/ ISO class 8– NMT 100,000 particles [≥ 0.5 μm] per cubic foot of air)
Ante Room
European Grade A
US Classification: 100
ISO: 5
Critical