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Three-ply face masks filter simulated viral particles
Professor researches effectiveness of face masks against particles similar in size to
coronavirus. Seshadri Ramkumar’s data shows three-ply face masks can filter out 60-80% of
simulated viral particles between 150 and 30 nanometers in diameter, respectively.
2 honours for Seshadri Ramkumar
Seshadri Ramkumar, a professor in the Texas Tech University Department of Environmental Toxicology and lead investigator in the Nonwovens and Advanced Materials Laboratory, has recently been awarded two of the most prestigious honours in the textiles field: a fellowship with The Textile Institute in the United Kingdom and the 2017-18 Professor W B Achwal Oration from the Institute of Chemical Technology, Mumbai, India.
Researchers conduct cotton study
In July, two Texas Tech researchers released their paper on the study of low-grade cotton and its ability to absorb oil. Seshadri Ramkumar, professor in the Department of Environmental Toxicology, and Vinitkumar Singh, a doctoral candidate in the same department, led the research project, which started in the summer of 2010 after the Gulf of Mexico oil spill, Ramkumar said.
Absorbent nonwoven cotton mat for oil spills
Researchers at Lubbock, Texas-based Texas Tech University (TTU) have engineered a absorbent mat using low-grade cotton that can collect up to 50 times its own weight in oil.
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