Catch and Kill Corona Air Filter for Covid-19

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HIGHLIGHT - 

Researchers of Covid19 said that the novel device 'air filter' may be beneficial to reduce the spread of coronaviruses in close contact spaces like Hospitals, school, healthcare centres as well as public transportation facilities environments like Bus station, Rail stations and Aeroplanes. 

Scientists have designed a "catch and kill" filter that they're saying the novel can trap coronavirus and instantly neutralize it, an invention that may reduce the spread of COVID-19 in enclosed spaces like schools, hospitals and healthcare facilities as well as a transportation environment in the sense of the public.

According to a study published within the Journal of Materials Today Physics, the device killed 99.8 percent of the novel's coronavirus, SARS-CoV-2, in a very very single pass of its filter.

The device, made from commercially available nickel foam at a temperature of 200 degrees Celsius, kills 99.9 percent of the seeds of the deadly bacterium, Bacillus anthracis, biological weapon, which causes anthrax type of diseases.

“This filter is effective in preventing the spread of COVID-19 in airports and at airports, office buildings, schools and cruise ships,” said Zhifeng Ren which is noone but a co-author of the research at the University of Houston (UH) within the United States.

“This device has the competency to help control the spread of the virus are very beneficial to society,” Ren added also. Researchers say they're also developing a desktop-top model for a tool capable of purifying the air around an office worker.

“Schools, transit systems, hospitals, airplanes, office buildings, other healthcare and public settings will give first priority to be given,” said Garrett K. Peel of Medistarwhich is a Houston-based medical real estate development firm that partnered with UH for developing and implementing this device.

As per Scientists, since the virus can stay or viable within the air for about three hours which is not a little time, hence a filter was an efficient try to remove it quickly, and with the resumption of business around the world, they believe it is important to manage the spread of air-conditioned areas.

The study noted that the novel coronavirus can't tolerate temperatures beyond 0 degrees Celsius, that the filter makes the temperature even higher - around 200 degrees Celsius, the researchers said, adding that they were able to kill the virus almost instantly. Ren said that Nick Foam meets several key requirements for this.

"It is porous, allows air to flow, and is electrically conductive, which allows it to be heated. it is also flexible," the researchers said during a press release.

However, they added that nickel foam also had low resistance, making it difficult to lift the temperature enough to kill the virus quickly. The researchers said they solved the matter by folding the froth, connecting multiple sections to electrical wiring therefore the temperature could withstand up to 250 degrees Celsius.

By heating the filter electronically instead of heating it from an external source, they said the filter avoided the amount of heat lost, allowing the air conditioning to work with little strain.

When scientists created and tested a sample for the link between voltage/current and temperature, they said it met the requirements of conventional heating, ventilation and air conditioning (HVAC) systems and can kill coronaviruses.

"This novel biodefense indoor air protection technology offers first-in-line resistance to airborne SARS-CoV-2 environmentally mediated operations and might be at the forefront of obtainable technology to cater to current epidemics and any airborne biothreats within the indoor environment." Faisal Chima, another co-author of the study who is also from UH.

The researchers trapped the device to be extended in phases, "starting from high-priority locations where the desired personnel are at higher risk of exposure." They believe that the novel device will both improve the protection of leading workers within the desired industry and permit unskilled workers to return to work.

#COVID-19               #Air filter                #corona-free air