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Face Mask Aims to Deactivate Virus to Protect Others

Phys.org

Photo: Northwestern University

Phys.org

In the pandemic, people wear face masks to respect and protect others -- not merely to protect themselves, says a team of Northwestern University researchers.

With this in mind, the researchers developed a new concept for a mask that aims to make the wearer less infectious. The central idea, which received support from the National Science Foundation through a RAPID grant, is to modify mask fabrics with anti-viral chemicals that can sanitize exhaled, escaped respiratory droplets.

By simulating inhalation, exhalation coughs, and sneezes in the laboratory, the researchers found that non-woven fabrics used in most masks ...