Gas sterilization knowledge

Use the gas formed by chemical disinfectants to kill microorganisms. Gas sterilization can be subdivided into ozone sterilization and ethylene oxide sterilization.

Ozone sterilization and disinfection

Ozone has a strong sterilization and disinfection effect. The principle of sterilization and disinfection is: the molecular structure of ozone is unstable at normal temperature and pressure, and it quickly decomposes into oxygen and single oxygen molecules. The latter has strong activity and has a strong oxidizing effect on bacteria. An enzyme necessary for oxidizing glucose in bacteria, thereby destroying their cell membranes, killing it.

Ethylene oxide sterilization

The ethylene oxide sterilization method is a method of sterilizing with ethylene oxide gas. It is a traditional sterilization method that can be applied to sterilization of work clothes, medical instruments, facilities, and equipment that are not resistant to heat sterilization. The ethylene oxide sterilization system mainly has the following four important factors that mutually restrict the sterilization effect:

①humidity; ②temperature; ③gas concentration; ④sterilization time.

Ethylene oxide has very strong penetration and diffusion ability, and its sterilization mechanism is mainly strong oxidation, so it has the characteristics of broad-spectrum sterilization and strong sterilization ability, and has a strong killing effect on microbial propagules and spores. 
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