Health
COVID-19 Mask Innovation Awards Alberta Researchers from Mitacs
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Alberta researcher Ilaria Rubino has developed a technique that uses salt to kill pathogens when COVID-19 droplets of pathogens land on the mask.
HO / The Canadian Press
Salts that crystallize with sharp edges are a killer component in the development of reusable masks. That’s because the COVID-19 droplets that land on it are quickly destroyed, says researchers recognized for her innovation.
Ilaria Rubino, who recently received her PhD in Chemical Engineering from the University of Alberta, said most salts and aqueous solutions that cover the first or middle layers of the mask dissolve before the droplets penetrate the face cover. It was.
As the liquid from the droplets evaporates, the salt crystals grow as sharp weapons, damaging bacteria and viruses within five minutes, Rubino said.
“We know that after pathogens are collected in masks, they can survive. Our goal is to develop techniques that can inactivate pathogens on contact and make masks as effective as possible. It was to do. “
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Rubyno, who worked with researchers at Georgia State University in Atlanta to promote a project that started five years ago, received an Innovation Award from Mitacs on Tuesday. Canada’s nonprofits receive funding from the federal government, most states, and the Yukon Territory to honor researchers at academic institutions.
Reusable and non-washable masks are made of polypropylene, a type of plastic used in surgical masks, and can be safely worn and handled over and over again without decontamination, Rubino said. ..
The idea is to replace the surgical mask often worn by healthcare professionals who have to dispose of it in a few hours, she said, adding this technology could potentially be used for the N-95 respiratory tract. Stated.
Salt-coated masks will be available on the market next year after regulatory approval. It can also be used to stop the spread of other infectious diseases, such as the flu, according to Rubino.
Dr. Catherine Crace, an epidemiologist and associate professor of medicine at McMaster University in Hamilton, said that “exciting” technology has multiple advantages.
Crace, a member of the Center of Excellence in Protective Equipment and Materials in the Engineering Department at McMaster University, said there wasn’t much research on personal protective equipment when Rubino began his work.
“This reduces the footprint for creating, distributing and disposing of all masks,” she said, adding that masks can also address supply issues.
The Public Health Agency of Canada recently recommended a homemade mask consisting of at least three layers. The removable layer in the middle is made of polypropylene fabric that can be washed with non-woven fabric to improve filtration.
Conor Ruzycki, an aerosol scientist at the University of Alberta’s School of Mechanical Engineering, said Rubino’s innovations have recently been on masks as the number of cases of COVID-19 increases and the lack of facial coverage in healthcare systems can become a problem again. Said to be added to the study of.
Ruzycki, who works in the lab to assess the penetration efficiency of various mask and respiratory materials, is also a member of the doctor-led Alberta group Masks4Canada, a stricter pandemic that includes state-wide policies on mandatory masks. I’m looking for countermeasures.
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