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UV-Emitting LED Lights Can Kill Novel Coronavirus, Say Scientists

The researchers said the disinfectant system must be designed so that a person is not directly exposed to the ultraviolet light as it is dangerous to use the UV-LED to disinfect surfaces inside homes

UV-Emitting LED Lights Can Kill Novel Coronavirus, Say Scientists
Highlights
  • World is looking for effective solutions to disinfect coronavirus: Expert
  • LED disinfection can be installed in ventilation system: Experts
  • Experts say ultraviolet light radiating LED bulbs kill coronavirus

New York: Ultraviolet (UV) light-emitting diodes (UV-LEDs) can kill the novel coronavirus efficiently, quickly, and cheaply, according to a study which says the new innovation could be installed in air conditioning and water systems. The research, published in the Journal of Photochemistry and Photobiology B: Biology, assessed the disinfection efficiency of UV-LED irradiation at different wavelengths on a virus from the family of coronaviruses, which includes the COVID-19-causing SARS-CoV-2. “The entire world is currently looking for effective solutions to disinfect the coronavirus,” said Hadas Mamane, co-author of the study from the American Friends of Tel Aviv University in the US.

Also Read: COVID-19: Safe Ultraviolet Light Could Be Used To Sterilise High-Risk Indoor Environments, Says Study

In order to disinfect a bus, train, sports hall, or plane by chemical spraying, the scientists said physical manpower is needed along with time for the chemicals to act on the surface.

Disinfection systems based on LED bulbs, however, can be installed in the ventilation system and air conditioner, for example, and sterilise the air sucked in and then emitted into the room. We discovered that it is quite simple to kill the coronavirus using LED bulbs that radiate ultraviolet light. We killed the viruses using cheaper and more readily available LED bulbs, which consume little energy and do not contain mercury like regular bulbs, she added.

The scientists believe the research has commercial and societal implications, given the widespread use of such LED bulbs. With necessary adjustments, they said the bulbs can be installed in air conditioning, vacuum, and water systems, and thereby be able to efficiently disinfect large surfaces and spaces. The researchers said the system must be designed so that a person is not directly exposed to the light, adding that it is very dangerous to use the UV-LED to disinfect surfaces inside homes.

Also Read: Ultraviolet Light Strongly Associated With Low Growth Of COVID-19, Says Study

(Except for the headline, this story has not been edited by NDTV staff and is published from a syndicated feed.)

NDTV – Dettol Banega Swasth India campaign is an extension of the five-year-old Banega Swachh India initiative helmed by Campaign Ambassador Amitabh Bachchan. It aims to spread awareness about critical health issues facing the country. In wake of the current COVID-19 pandemic, the need for WASH (WaterSanitation and Hygiene) is reaffirmed as handwashing is one of the ways to prevent Coronavirus infection and other diseases. The campaign highlights the importance of nutrition and healthcare for women and children to prevent maternal and child mortality, fight malnutrition, stunting, wasting, anaemia and disease prevention through vaccines. Importance of programmes like Public Distribution System (PDS), Mid-day Meal Scheme, POSHAN Abhiyan and the role of Aganwadis and ASHA workers are also covered. Only a Swachh or clean India where toilets are used and open defecation free (ODF) status achieved as part of the Swachh Bharat Abhiyan launched by Prime Minister Narendra Modi in 2014, can eradicate diseases like diahorrea and become a Swasth or healthy India. The campaign will continue to cover issues like air pollutionwaste managementplastic banmanual scavenging and sanitation workers and menstrual hygiene

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