Optical microscopic study of surface morphology and filtering efficiency of face masks
Background Low-cost face masks made from different cloth materials are very common in developing countries. The cloth masks (CM) are usually double layered with stretchable ear loops. It is common practice to use such masks for months after multiple washing and drying cycles. If a CM is used for lon...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
PeerJ Inc.
2019-06-01
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Series: | PeerJ |
Subjects: | |
Online Access: | https://peerj.com/articles/7142.pdf |