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Using Ultraviolet to Sterilize Mask

Ultraviolet light, particularly in the UVC range (280–100 nm), is known to inactivate microbes. During the current COVID-19 pandemic there’s a shortage of protective masks, particularly N95 masks that feature electrostatic filters. Cleaning such masks using liquids is not effective, as the electrostatic effect ends up neutralized, so a team at Rensselaer University created a device that bathes masks in UVC light and makes them useful again.

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