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Researchers develop N95 mask with nanoparticle coating using 3D printing tech

Amity University Haryana (AUH) and University of Nebraska, USA researchers developed the mask

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

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Apart from its well-known uses to prevent infections like COVID-19, the mask can also be used by workers in different industries exposed to high volumes of dust like cement factories, brick kilns, cotton factories and pain industries. It can be modified according to the requirement by changing the filter configuration according to the place it will be used and can help prevent severe lung diseases such as SILICOSIS. A trademark and a patent have also been filed for the mask called Nano Breath. 

A 4-layer filtration mechanism has been provided 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 (HEPA) filter, the third layer is 100 µm filter and the fourth layer is a moisture absorbent filter. 

Dr Atul Thakur, Dr Preeti Thakur, Dr Lucky Krishnia and Prof PB Sharma, Dinesh Kumar research scholar from Amity University Haryana (AUH) and Prof Rakesh Srivastava from the University of Nebraska, USA have jointly developed this product that has immense potential as a prophylactic.

A Zetasizer Nano ZS, a facility supported by ‘Fund for Improvement of Science & Technology Infrastructure’ (FIST) project of the Department of Science & Technology (DST), Government of India which enables high-temperature thermal analysis for ceramic materials and catalysis applications, has been used to carry out this work. It is a high-performance, versatile system for measuring particle size, zeta potential, molecular weight, particle mobility and micro-rheology. 

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