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With innovative nanofiber membranes, cloth masks’ efficacy goes up to 99% – Phys.org

The cloth masks many are sporting these days offer some protection against COVID-19. However, they typically provide much less than the professional N95 masks used…

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The cloth masks many are sporting these days offer some protection against COVID-19. However, they typically provide much less than the professional N95 masks used by healthcare workers.
That may soon change. Recently, students from BYU’s College of Engineering teamed up with Nanos Foundation to develop a nanofiber membrane that can be sandwiched between the cloth pieces in a homemade mask.
While today’s typical cloth mask might block fewer than 50% of virus particles, the membranewhich can be made…

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