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UV light is a fast, effective way to deactivate indoor airborne allergens | UV222 light is a passive, quick way to inactivate indoor airborne allergens like cat dander
Scientists have shown that far-UVC lights, which are already commercially available, can rapidly break down common airborne allergens, offering a safe and fast new way to ease asthma and allergy triggers indoors.
Airborne allergens derived from indoor and outdoor sources such as dust mites, cats and dogs, fungi, and plants can trigger allergic reactions ranging from mild to severe, including itchy eyes, sneezing, coughing, and difficulty breathing. “We have found that we can use a passive, generally safe ultraviolet light treatment to quickly inactivate airborne allergens,” said lead author Tess Eidem, PhD, a senior research associate in the Department of Civil, Environmental and Architectural Engineering at CU Boulder. The researchers assembled a controlled 10-m 3(353-ft 3) chamber that mimicked indoor air conditions and aerosolized allergens – dust mites, cat and dog dander, mold, grass, and birch pollen – into particles 10 µm or smaller, which are similar to those that people actually inhale.
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