A biomedical engineer created a mask coated in salt that he says could neutralize viruses like the coronavirus in 5 minutes

• Medical face masks can block some germs, but germs also linger on their surfaces.
• Researchers say they’ve created a new type of face mask with a salt coating that can neutralize germs.
• The technology has been tested on three influenza strains. […]

Viruses and other pathogens travel either through the air; in droplets such as saliva or phlegm from coughing, sneezing, speaking, or breathing; or on surfaces. […]

But when a virus-carrying droplet encounters a mask coated in Choi’s salt solution, he says, it begins to absorb the salt. Then once the liquid evaporates, all that remains is the virus and the crystallized salt — which slices through the virus, neutralizing it. […]

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