Ethylene oxide

Definition

Ethylene oxide is a colorless gas used as a sterilizing agent. It effectively kills microorganisms, including bacteria, viruses, and fungi, by disrupting their DNA and preventing reproduction.

5 Must Know Facts For Your Next Test

1. Ethylene oxide is highly effective at sterilizing medical equipment and delicate instruments that cannot withstand high temperatures.
2. It works by alkylating the proteins and DNA of microorganisms, leading to their death.
3. Ethylene oxide can penetrate packaging materials, making it useful for sterilizing pre-packaged items.
4. Exposure to ethylene oxide is strictly regulated due to its toxic and carcinogenic properties.
5. The sterilization process with ethylene oxide requires careful control of temperature, humidity, and gas concentration.

Review Questions

Related terms

Autoclave:

A device that uses steam under pressure to sterilize medical instruments and other items.

Disinfectant: Chemical agents used on non-living surfaces to reduce or eliminate microbial populations.

Sterilization:

The process of eliminating all forms of microbial life from an object or environment.