Sterilization and Disinfection

Sterilization and Disinfection

1. factor influence efficacy

   • contact time
   • physico-chemical enviroment
   • organic material
   • temperature
   • type of microorganism
   • number of microorganism
   • material comp.

2. chemical disinfection

   • alcohol
     • denature bact. protein
   • hypocholorite's
   • phenol
   • chlorine

3. sterelization

   • heat
     • steam (autoclave)
     • dry heat
   • chemical
     • gas
     • liquid
   • radiation
     • non-ionizing
       • UV rays
       • IR rays

4. sterilizing filter

   • syringe filter
   • vacuum & in-line filter
   • membrane filter