Photo Credit: courtesy, Technion Institute of Technology
Self-cleaning, self-disinfecting mask prototype from Technion

Israeli scientists at the Israel Institute of Technology — the Technion — in Haifa, have developed a self-disinfecting reusable protective face mask.

The disinfection process occurs when a layer of carbon fibers in the mask is heated using a low current source, such as an electric mobile phone charger. A patent application for this invention has been submitted in the United States.

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Due to the coronavirus pandemic, demand for protective face masks has sky-rocketed in recent months, as wearing masks is now a requirement along with social distancing and hygiene measures. A wide range of masks is available, with the leading model being the N95. The authorities insist on correct usage of masks, which means replacing it daily even if it kept clean and dry during the day.

These regulations, along with the urgent need to provide masks for the medical staff caring for coronavirus patients, has led to a surge in demand for these masks and a search for manufacturers and suppliers.

In the US, for example, approximately 3.5 billion masks are required in order to protect against an acute epidemic – 100 times more than the number of masks readily available.

An immediate shortage of masks also occurred in Israel and was accelerated when the Ministry of Health announced that mask-wearing is mandatory.

Prof. Yair Ein-Eli, Dean of the Faculty of Materials Science and Engineering, developed a reusable face mask that can be heated in a controlled manner – a process which destroys viruses that accumulated on the mask and renders it reusable.

The new technology is based on an inner layer of carbon fibers spread within the mask in a homogeneous manner. When the layer of fibers is heated using a low current (2 amps) from a readily-available source – such as a mobile phone charger, USB connection or other mobile electronic device charger – the viruses are destroyed.

Prof. Ein-Eli’s research group created the mask prototype and tested it together with Prof. Debbie Lindell and Prof. Oded Beja from the Faculty of Biology.

A patent was submitted in the US on March 31 and the research group is currently discussing commercialization with industrial companies.

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Hana Levi Julian is a Middle East news analyst with a degree in Mass Communication and Journalism from Southern Connecticut State University. A past columnist with The Jewish Press and senior editor at Arutz 7, Ms. Julian has written for Babble.com, Chabad.org and other media outlets, in addition to her years working in broadcast journalism.