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Author

Iswor Bajracharya

Faculty of Technology, Nepal Academy of Science and Technology, Nepal · ORCID
1 article in our journals

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Research ArticleOpen accessStudy of Surface Morphology and Effectiveness of Common Nasopharyngeal Masks: A Case of Kathmandu, NepalPrasidha Raj Neupane, Iswor Bajracharya, Sunil Babu KhatryFacemasks are widely used worldwide to prevent inhaling airborneparticles and viruses, especially after the outbreak of COVID-19. To assess theeffectiveness of various facemasks against PM10 and PM2.5,experiments with a mannequin head were conducted at 10 and 55 LPM airflowrates. A total of 38 masks, including 26 CMs, 7 SMs, and 5 N95 masks, weretested against PM10 and PM2.5 at 55 … …American Journal of Environmental Sciences, Vol. 19, Issue 3 · 7 Dec 2023 · 5,821 accessesView PDFCite