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How does germicidal UV light kill microorganisms?

April 26, 2017germicidal kill light microorganisms UV

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How does germicidal UV light kill microorganisms?

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UV light destroys microbes by being absorbed by the proteins within the microorganism. After absorption the UV light destroys the microbe or inactivates the DNA which prevents the microbe from reproducing. A microbe is considered destroyed when it can no longer reproduce.