Health

Scientists have discovered safe UV light that can kill COVID-19

Today, the world is rushing to come up with effective vaccines to combat the new coronavirus that is attacking countries around the world. Studies in the United States claim to have discovered certain types of ultraviolet (UV) radiation that can effectively kill the virus that causes COVID-19.

According to scientists, this form of UV light is safer to use around humans, and this finding could help develop potential disinfection systems for occupied public places.

This study American Journal of Infection Control.. Ultraviolet C (UVC) light with a wavelength of 222 nanometers (nm) suggests that it can kill the SARS-CoV-2 virus without penetrating human skin.

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Ultraviolet rays AFP (expression image)

Previously, researchers at Hiroshima University in Japan were doing the same for the eradication of seasonal coronavirus, which is structurally similar to the new coronavirus, rather than SARS-CoV-2 itself.

“Recent studies have shown that 222 nm UVC is less harmful than 254 nm UVC, which is efficient because far UVC light has a very limited depth of penetration into the skin and eyes. Because it is also an antibacterial technology. “

Read again: Students create a UV light disinfectant racket that kills coronaviruses on common surfaces

AFP (typical image of 254 nm UVC)

For research, experts spread a 100 microliter solution containing coronavirus on a 9 cm sterile polystyrene plate. It was then dried at room temperature in a biosafety box before placing the Far-UVC lamp 24 cm above the surface of the plate.

The study found that 99.7% of SARS-CoV-2 virus cultures were killed by 30 seconds of exposure to 222 nm UVC irradiation.

Studies have shown that at this particular wavelength of 222 nm, UVC cannot penetrate the non-living outer layers of the human eye and skin. This means that this form of UV light does not harm the living cells below.

Read again: This robot kills COVID-19 by spraying disinfectant and blinking UV light, costing Rs 30 Lakh

254 nm UVC Healthy europe

Researchers believe that it is also a powerful alternative to the more damaging 254 nm UVC germicidal lamps used to disinfect medical facilities.

However, the researchers also noted that they only investigated the effectiveness of 222 nm UVC in laboratory conditions.

“We don’t appreciate this technology in real-world environments, such as surface countertops,” scientists said.

Currently, they further evaluate the safety and effectiveness of 222 nm UVC irradiation in killing the SARS-CoV-2 virus on the surface of the real world and determine if it can be used to kill the actual virus. I want to

Disclaimer: There have been several different types of treatments given to COVID-19 patients worldwide, but no drug / technology has yet worked as a reliable treatment. Do not take your own medication and always consult your doctor or healthcare professional for symptoms.

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