Researchers at UC Santa Barbara, Oregon State University, the University of Manchester and ETH Zurich are calling for a closer look at the ability of sunlight to neutralize SARS-Co-2 in order to determine whether No recent research has been validated.
The team compared data from a July 2020 study that reported rapid inactivation of SARS-CoV-2 in a lab setting, in which the corona virus was not exposed to solar radiation. There was a theory of activism that was published just a month ago.
They found that the virus had become inactive eight times faster in experiments than predicted by the current theoretical model. Paolo Luzato Figuero, professor and lead author of UC Santa Barbara Mechanical Engineering, said in a statement: "This theory assumes that UVB inactivates the virus's RNA by inactivating it."
However, the research team found that inactivation of RNA by UV-B "may not be the whole story." Scientists speculated that UV-B rays, such as UV-A, could be used in addition to RNA inactivation by a low-energy component of sunlight.
"People think UV-A doesn't have much effect, but it can interact with some of the molecules in the middle." As a result, they can accelerate inactivation by interacting with molecule viruses.
"Therefore, scientists do not yet know what is happening," said Luzato Figueroa. "Our analysis points to the need for additional experiments to test the effects of specific light wavelengths and medium structures separately."
If UV-A is able to neutralize the corona virus, it could be very effective, as there are now many types of cheap LED bulbs that are even stronger than natural sunlight. UV-A can also be used to enhance the effect of air filtration systems on a potentially low risk to human health.
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