July 22, 2020 6:11 PM
SNBNCBS, Kolkata develops active respirator mask for comfortable and hygienic breathing
S.N. Bose National Centre For Basic Sciences, SNBNCBS, Kolkata, has developed an active respirator mask with attached exhalation valve and filter against suspended-particles for comfortable and hygienic breathing. <br />''<br />''The active respirator mask is an innovative solution to the problem of rebreathing of carbon dioxide and exhaled moisture, inside the mask. It also protects mask wearers from exposure to airborne contaminants.<br />'' <br />''Be...