Wednesday, April 10, 2024

Deep UV-C radiation can clean air from microbes.


"Far-UVC light has proven highly effective in real-world settings at inactivating over 99% of airborne viruses in occupied spaces, as demonstrated by a Columbia University study, offering a practical and continuous disinfection solution that could surpass conventional ventilation systems in preventing airborne disease transmission. This technology, safe for human exposure, represents a significant advancement over traditional germicidal UVC methods, which require empty spaces to operate. Credit: SciTechDaily.com" (ScitechDaily, Columbia Study Proves Far-UVC Light Nearly Eradicates Airborne Viruses in Workspaces)

Deep ultraviolet radiation destroys viruses from the air. That thing can help to control pandemics. Authorities can use Deep UV-C light to destroy things, like viruses in houses and quarantine areas. The UV-C light gives a cheap and effective way to destroy micro-organisms from layers and air. That thing will help to keep organisms away from offices and other places. The UV-radiation is most effective against viruses that have no chance to protect their genomes outside the cell. 

The researchers can use deep UV-C radiation. Along with ultraviolet lasers to destroy microorganisms from all layers. And that thing can used to sterilize food. 

Because radiation kills bacteria and viruses that prevent things like food poisoning. The fact is that the UV-C dose must be high enough that it destroys bacteria and viruses. If the radiation dose is too low that thing makes the bacteria and virus population more resistant to the UV-C radiation. 

"L: The reactor No. 4 of the Chernobyl Nuclear Power Plant, covered with a sarcophagus. R: A wolf crosses a road in a forest in the 30 km (19 miles) exclusion zone around the Chernobyl nuclear reactor near the abandoned village of Dronki, Belarus. Getty Images Europe/Reuters"(BusinessInsider, Wolves in the Chernobyl radiation zone developing resistance to cancer, says study)

In the Chernobyl nuclear disaster site, the animals created protection against cancer and radioactive radiation simple way. Radiation destroyed all animals that couldn't resist cancer. The high radiation level removed all individuals that couldn't resist cancer. And that left only animals that could resist cancer alive. That thing caused the situation that the cancer-resistant genomes enriched in the population. This means that animals can create resistance against cancer and radioactive fallout. 

When we think of virus populations. Too low a UV-C dose can cause a situation in which only viruses that can resist the UV radiation are left. That means that only those UV-C-resistant viruses are left to cause infections. 

The resistance against antibiotics forms in a similar way. Antibiotics destroy individuals who cannot resist it. And only the individuals that can resist antibiotics are left. This is the reason why researchers investigate ways to replace antibiotics in large-scale sterilization operations. If the antibiotic dose is too small the bacteria can create resistance against it. The problem is that the UV radiation dose acts the same way as antibiotics. If the dose is too small, the creature can turn resistant against it. 


https://www.businessinsider.com/chernobyl-wolves-resistant-to-cancer-despite-high-radiation-exposure-2024-2


https://scitechdaily.com/columbia-study-proves-far-uvc-light-nearly-eradicates-airborne-viruses-in-workspaces/

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