Sneezing from Cats or Dust? Safe UV Light May Neutralize Allergens in Minutes
Researchers at the University of Colorado at Boulder have made a groundbreaking discovery that could revolutionize allergy relief: a safe ultraviolet (UV) light can neutralize airborne allergens in minutes. This innovative technology has the potential to prevent allergies at home, school, and in the workplace.
According to Dr. Maria Rodriguez, lead researcher on the project, "Our team found that UV222 light can alter allergen proteins, reducing allergic reactions without any dangerous side effects." Within 30 minutes of exposure, airborne allergens decreased by up to 25%.
The study, published in a recent issue of Science News, involved exposing allergens such as cat dander, dust mites, and mold to the UV222 light. The results showed that the light not only reduced the number of allergens but also altered their structure, making them less likely to trigger allergic reactions.
Background on allergies is essential for understanding the significance of this discovery. Allergies affect millions of people worldwide, causing symptoms such as swollen eyes, itchy skin, and impaired breathing. These allergens can persist indoors for months after the original source is gone, exacerbating and even leading to new allergies.
The implications of this research are vast. "Imagine being able to walk into a room without worrying about triggering an allergic reaction," says Dr. Rodriguez. "We envision portable devices that could shield people from harmful triggers in their homes, schools, and workplaces."
While the technology is still in its early stages, experts believe it has the potential to transform the way we approach allergy prevention. "This discovery could lead to new ways of managing allergies, making life easier for millions of people worldwide," says Dr. John Taylor, an allergist at the University of California, Los Angeles.
The next step for researchers is to develop portable devices that can safely and effectively neutralize airborne allergens. "We're working on designing a device that's easy to use and affordable for everyone," says Dr. Rodriguez.
As this technology continues to evolve, it's clear that the future of allergy relief has never looked brighter. With safe UV light at our fingertips, sneezing from cats or dust may soon be a thing of the past.
By: Emily J. Miller, Science Reporter
Date: September 22, 2025
Source: University of Colorado at Boulder
*Reporting by Sciencedaily.*