Published On: Mon, Jun 27th, 2022

N95 mask with nanoparticle coating developed using 3D printing technology

New Delhi: Researchers have developed a reusable, recyclable, washable, odourless, non-allergic and anti-microbial N95 mask by using 3D printing technology.

The mask can also be used in different industries where workers are exposed to high volumes of dust

The four-layer mask whose outer layer is made up of silicon has a shelf life of more than five years depending upon the use, said the Ministry of Science and Technology in a statement on Monday.

A four-layer filtration mechanism has been used in the mask wherein the outer and first layer of the filter is coated with nanoparticles.

The second layer is a high-efficiency particulate absorbing filter, the third layer is 100 micrometer filter and the fourth layer is a moisture absorbent filter.

The Ministry added that apart from preventing Covid-19 infection, the mask can also be used in different industries where workers are exposed to high volumes of dust and can be modified as per the requirement by changing the filter configuration.

A trademark and a patent have also been filed for the mask called ‘Nano Breath’, the Ministry said, adding that it can also help prevent severe lung diseases such as Silicosis.

Atul Thakur, Preeti Thakur, Lucky Krishnia and P.B. Sharma, Dinesh Kumar research scholar from Amity University, Haryana, and Rakesh Srivastava from University of Nebraska, US, have jointly developed this product that has immense potential as a prophylactic.

A Zetasizer Nano ZS, a facility supported by the Fund for Improvement of Science and Technology Infrastructure project of the Department of Science and Technology, Government of India, which enables high temperature thermal analysis for ceramic materials and catalysis applications, has been used to carry out this work, the Ministry said.

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