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Researchers have shown that coronavirus can be eliminated efficiently, quickly, and cheaply using ultraviolet (UV) light-emitting diodes (UV-LEDs). They believe that UV-LED technology will soon be available for private and commercial use.
Researchers from Tel Aviv University (TAU; Tel Aviv, Israel) conducted the first study on the disinfection efficiency of UV-LED irradiation at different wavelengths or frequencies in a virus from the coronavirus family. The researchers tested the optimal wavelength to kill the coronavirus and found that a length of 285 nanometers (nm) was almost as efficient at disinfecting the virus as a wavelength of 265 nm, requiring less than half a minute to destroy more than 99 , 9% of the coronavirus. This result is significant because the cost of 285nm LED bulbs is much lower than that of 265nm bulbs, and the former are also more readily available.
Eventually, as the science develops, the industry will be able to make the necessary adjustments and install the bulbs in robotic systems or air conditioning, vacuum and water systems, and thus be able to efficiently disinfect large surfaces and spaces. The researchers believe that the technology will be available for use in the near future and now plan to test its unique combination of integrated damage mechanisms and more recently developed ideas about efficient combined direct and indirect damage to bacteria and viruses on different surfaces, air. , and water.
“We found that it is quite simple to kill the coronavirus using LED bulbs that radiate ultraviolet light,” said Professor Hadas Mamane, director of the Environmental Engineering Program at TAU’s School of Mechanical Engineering, Iby and Aladar Fleischman College of Engineering. “We eliminate viruses by using cheaper and more affordable LED bulbs that consume little energy and do not contain mercury like normal bulbs. Our research has commercial and social implications, given the possibility of using these LED bulbs in all areas of our lives “. safely and quickly “.
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Tel Aviv University
