Study shows: Far-UV-C lighting more effective than air filter systems

The results from the study also provide data that allow comparison with other technologies such as air filtration systems. Even with medium-intensity irradiation and five lamps, the bacteria could be reduced by 92 percent. The authors of the study explain that the method can thus kill as many pathogens indoors as even air filter systems could not reach. According to the scientists, the advantage of Far-UV-C lighting lies in its higher performance and noiseless operation. “Deploying this technology in places where people gather indoors could prevent the next possible pandemic,” explains David Brenner in a statement from his university.

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The new study Far-UVC (222 nm) efficiently inactivates an airborne pathogen in a room-sized chamber was conducted by scientists at the University of Dundee, University of St. Andrews, Columbia University, and the University of Leeds, and it was published in Scientific Reports.

According to the study author Professor David J. Brenner, the far-UVC can reduce the number of active microbes in the indoor air to almost zero, making the air indoor is safe as the outdoor air.

Prof. Brenner added that using the technology in locations where people gather together indoors could prevent the next pandemic.

The far-UVC light is simple to install. It is not expensive. It does not need people to make any changes to their behavior. It is also a safe way to prevent the transmission of any virus, including the COVID virus its other variants. It can also prevent the transmission of influenzas and other potential pandemic viruses.

The use of Care222 in public places is a safe and effective way to limit the spread and transmission of air-mediated microbial diseases, such as schools, hospitals, stadiums, sports grounds and offices, and this approach may help to limit seasonal infections, the spread of tuberculosis and major epidemics. It’s inevitable far uvc will become part of the new World people are more aware and want to be protected from viruses.

Care222 is a new disinfecting light source that, even though not harmful to the skin or eyes of humans or animals, deactivates bacteria and viruses in the same manner as conventional ultraviolet sanitizers.

Care222 uses an excimer lamp (a mercury-free UV excimer light source produced by Ushio especially for outputting monochromatic ultraviolet with a primary wavelength of 222 nm) in combination with a special optical bandpass filter (200 to 230 nm) which passes only ultraviolet wavelengths that have no harmful effect on people.

Ushio holds exclusive rights to utilization of the key technology, which was patented by Columbia University (New York, NY) in 2012.

Only 222 nm, which is filtered by a special optical bandpass filter for the rest of the harmful wavelengths, is safe for humans.

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