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Researchers have developed more efficient filter for N95 masks

Researchers have developed a membrane that can be attached to a regular N95 mask and replaced when needed

N95 masks membrane

Sentinel Digital DeskBy : Sentinel Digital Desk

  |  23 May 2020 11:00 AM GMT

Dubai: Since the outbreak of Covid-19, there's been a worldwide shortage of face masks — particularly, the N95 ones, now researchers have developed a membrane that can be attached to a regular N95 mask and replaced when needed. The filter has a smaller pore size than normal N95 masks, potentially blocking more virus particles, the researcher from King Abdullah University of Science and Technology, Saudi Arabia, said. According to the study, published in the journal ACS Nano, N95 masks filter about 85 per cent of particles smaller than 300 nm. SARS-CoV-2 (Covid-19) is in the size range of 65-125 nm, so some virus particles could slip through these coverings. Also, because of shortages, many health care workers have had to wear the same N95 mask repeatedly, even though they are intended for single use. To help overcome these problems, the research team wanted to develop a membrane that more efficiently filters particles the size of SARS-CoV-2 and could be replaced on an N95 mask after every use. (IANS)

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