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Parans Paranthaman, a researcher in the Chemical Sciences Division at ORNL, coordinated research efforts to study the filter efficiency of the N95 material. His published results represent one of the first studies on polypropylene as it relates to COVID-19. Credit: ORNL/U.S. Dept. of Energy

Powerful polymers: ORNL study provides new insights into N95’s COVID-19 filter efficiency

April 6, 2021

When COVID-19 was declared a pandemic in March 2020, 91��’s Parans Paranthaman suddenly found himself working from home like millions of others.