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HIGH SCHOOL

Biology

Concept Videos

Microbiology

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Control of Microbial Growth

Microbial Control with UV, X-Rays, and Filters

Description

Radiation and filtration are physical methods used to control microbial growth. They work in different ways, but both help reduce microbes in healthcare, food, and laboratory settings. Radiation damages microbial DNA, while filtration removes microorganisms from air or liquid without using chemicals.

Transcript

Radiation kills or inhibits the growth of microorganisms.

Safety cabinets use non-ionizing UV radiation, which damages DNA and disinfects surfaces, air, and water, but its limited penetration prevents it from disinfecting bulk items like canned foods.

Ionizing radiation, such as X-rays and gamma rays, penetrates deeply, destroying en...

Tags

Radiation Microbial ControlFiltration Microbial ControlNonionizing RadiationIonizing RadiationUV RadiationCold Plasma SterilizationMembrane FiltersDepth FiltersHEPA FiltersN95 Masks