可重复使用抗菌口罩洗涤后的过滤效率及抗菌活性评价

IF 2.9 4区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES
Yeram Yang, Jongmin Park, Sueun Choi, Kiyoung Lee, Cheonghoon Lee, Chungsik Yoon
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引用次数: 0

摘要

本研究评估了可重复使用的抗菌银、铜和石墨烯抗菌口罩在洗涤前后的过滤效率和抗菌活性的连续性。口罩在三种不同温度(40°C、60°C、90°C)下洗涤,洗涤次数最多为10次。三种可重复使用的抗菌口罩在洗涤前的过滤效率在10%到13%之间,洗涤后的过滤效率提高了约6%。水洗前,细菌过滤效率在93 ~ 98%之间。银膜和铜膜的抗菌活性均为98%,石墨烯膜的抗菌活性为88%。这些数值均高于非抗菌口罩。随着洗涤温度或洗涤周期的增加,性能没有变化趋势,与洗涤前相比,无论温度或洗涤周期如何,性能都没有明显变化。在一定的测试条件下,三种可重复使用的抗菌口罩的细菌过滤效率为95%,表明它们可能无法有效阻挡细菌颗粒。因此,在公共卫生方面,强烈建议在日常生活中使用经认证的口罩,以确保呼吸系统得到有效保护,并减轻气溶胶和生物气溶胶对健康的潜在风险。图形抽象
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment of the filtration efficiency and antibacterial activity of reusable antibacterial face masks after washing

This study evaluated the filtration efficiency, and continuity of the antibacterial activity of reusable antibacterial silver, copper, and graphene antibacterial masks before and after washing. The masks were washed at three different temperatures (40 °C, 60 °C, 90 °C) and up to 10 washing cycles. The filtration efficiencies of the three reusable antibacterial masks were between 10 and 13% before washing and increased by approximately 6% after washing. Before washing, the bacterial filtration efficiency was between 93 and 98%. The antibacterial activity was 98% for both the silver and copper masks, and 88% for the graphene mask. All these values were higher than those of non-antibacterial masks. There were no trends in performance difference with increasing washing temperature or cycles, and performance did not change significantly compared to before washing, regardless of the temperature or washing cycles. Under certain testing conditions, the bacterial filtration efficiency of the three reusable antibacterial masks was < 95%, indicating that they might not be able to block effectively bacterial particles. Therefore, in the context of public health, the use of certified masks in daily life is strongly advised to ensure effective respiratory protection for the respiratory system and to mitigate potential health risks from aerosols and bioaerosols.

Graphical Abstract

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来源期刊
Air Quality Atmosphere and Health
Air Quality Atmosphere and Health ENVIRONMENTAL SCIENCES-
CiteScore
8.80
自引率
2.00%
发文量
146
审稿时长
>12 weeks
期刊介绍: Air Quality, Atmosphere, and Health is a multidisciplinary journal which, by its very name, illustrates the broad range of work it publishes and which focuses on atmospheric consequences of human activities and their implications for human and ecological health. It offers research papers, critical literature reviews and commentaries, as well as special issues devoted to topical subjects or themes. International in scope, the journal presents papers that inform and stimulate a global readership, as the topic addressed are global in their import. Consequently, we do not encourage submission of papers involving local data that relate to local problems. Unless they demonstrate wide applicability, these are better submitted to national or regional journals. Air Quality, Atmosphere & Health addresses such topics as acid precipitation; airborne particulate matter; air quality monitoring and management; exposure assessment; risk assessment; indoor air quality; atmospheric chemistry; atmospheric modeling and prediction; air pollution climatology; climate change and air quality; air pollution measurement; atmospheric impact assessment; forest-fire emissions; atmospheric science; greenhouse gases; health and ecological effects; clean air technology; regional and global change and satellite measurements. This journal benefits a diverse audience of researchers, public health officials and policy makers addressing problems that call for solutions based in evidence from atmospheric and exposure assessment scientists, epidemiologists, and risk assessors. Publication in the journal affords the opportunity to reach beyond defined disciplinary niches to this broader readership.
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