Sterilization Methods for Syringe Filters
A Professional Comparison: ETO vs. Gamma Sterilization
Sterile syringe filters are critical components in pharmaceuticals, fermentation, biological products, and the food & beverage industry. Choosing the correct sterilization method is essential to ensure the maximum safety and integrity of your filtered products.
| Feature | ETO Sterilization | Gamma Sterilization |
|---|---|---|
| Mechanizmus | Metabolic Destruction | DNA Alteration |
| Residue Control | Requires Aeration & Scrubbing | Zero Residue |
| Equipment Safety | Flammable Gas Handling | Irradiation Shielding |
| Visual Integrity | No Change | Potential Slight Yellowing |
1. ETO (Ethylene Oxide) Sterilization
? Performance Advantages
ETO sterilization causes microbial death by disrupting bacterial metabolism. It is the industry standard for heat-sensitive plastics, ensuring the syringe filter’s structure remains intact.
?? Safety & Residue Management
Toxic Residues: Must be carefully aerated to bring concentrations below national safety standards.
BOCON Solution: We offer professional EO Scrubber systems designed to effectively neutralize EO gas residues, ensuring a safe working environment and environmental compliance.
2. Gamma Ray Sterilization
? Key Advantages
- Non-toxic: Zero chemical residue and no ventilation required.
- Immediate Usage: Syringe filters can be dispatched or used immediately after irradiation.
- High Efficacy: Deep penetration leads to complete cell activity loss in microorganisms.
?? Limitations
- Physical Change: Post-sterilization, white syringe filters may appear slightly yellowish.
- Capital Cost: High initial investment for equipment and infrastructure.