Germicide

Definition

A germicide is a substance or agent that kills germs and other microorganisms. It is used to control microbial growth on surfaces, equipment, and skin.

5 Must Know Facts For Your Next Test

1. Germicides can be categorized into disinfectants, antiseptics, and sterilants based on their use and effectiveness.
2. The effectiveness of a germicide is influenced by factors such as concentration, contact time, temperature, and the presence of organic matter.
3. Common types of germicides include alcohols, chlorine compounds, and quaternary ammonium compounds.
4. Germicides can target specific microorganisms or have broad-spectrum activity against bacteria, viruses, fungi, and spores.
5. Monitoring the minimum inhibitory concentration (MIC) helps determine the lowest concentration of a germicide needed to inhibit microbial growth.

Review Questions

Related terms

Disinfectant: A chemical substance used to kill or inactivate harmful microorganisms on inanimate objects and surfaces.

Antiseptic:

A substance applied to living tissues to reduce the possibility of infection by inhibiting or killing microorganisms.

Sterilant: An agent that destroys all forms of microbial life including spores on inanimate objects.