지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.12
- 수록면
- 241 - 252 (12page)
이용수
초록· 키워드
오류제보하기
Face masks became a critical part of the personal protective equipment for front-line workers and the public during the COVID-19 pandemic. Studies conducted during the pandemic have shown a strong positive correlation between COVID-19 mortality and air pollution. This project’s goals are to develop an engineered face mask with an optimized layering of nanoparticles to filter PM2.5 and viral pathogens, that is cost-effective, reusable, and clinically safe. The nanoparticles were selected based on their filtration, virucidal, and non-toxic properties. The experiment was designed with a wind-tunnel using vacuum pumps to simulate human breathing. The results indicate that particle filtration efficiency (PFE), tested with PM<SUB>2.5</SUB> from incense sticks measured by laser particle detectors improved by ≈100% as compared to uncoated masks. Virus Filtration Efficiency (VFE), tested using nebulized NaCl particles as a virus surrogate, improved by ≈140% with nanoparticle coatings. The filtration efficiency was independent of the source of PM2.5. The nanoparticle retention efficacy was well within the permissible exposure limits per OSHA standards. An accelerated durability test demonstrated ≈95% effectiveness maintained over 4 equivalent days of wear. This multi-purpose, reusable mask can be effective in polluted cities, in fire-prone areas and can protect people against the deadly effects of viruses.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results
4. Discussion and Conclusions
References
참고문헌 (44)
참고문헌 신청
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Wu X, Nethery RC, Sabath MB, Braun D, Dominici F. Air pollution and COVID-19 mortality in the United States: Strengths and limitations of an ecological regression analysis. Sci. Adv. 2020;6(45):eabd4049. https://doi.org/10.1126/sciadv.abd4049
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Nolt-Helms C, Breville M, Environmental Public Health Indicators Impact Report: Data and methods that support environmental public health decision-making by communities. U.S. Environmental Protection Agency, Washington, DC, EPA/600/X-18/163, 2018. [cited
Zoran MA, Savastru RS, Savastru DM, Tautan MN. Assessing the relationship between surface levels of PM2.5 and PM10 particulate matter impact on COVID-19 in Milan, Italy. Sci. Total Environ. 2020;738:139825. https://doi.org/10.1016/j.scitotenv.2020.139825
Wu X, Nethery RC, Sabath MB, Braun D, Dominici F. Air pollution and COVID-19 mortality in the United States: Strengths and limitations of an ecological regression analysis. Sci. Adv. 2020;6(45):eabd4049. https://doi.org/10.1126/sciadv.abd4049
Comunian S, Dongo D, Milani C, Palestini P. Air Pollution and Covid-19: The Role of Particulate Matter in the Spread and Increase of Covid-19's Morbidity and Mortality. Int. J. Environ. Res. Public Health. 2020;17(12):4487.https://doi.org/10.3390/ijerph17
Nolt-Helms C, Breville M, Environmental Public Health Indicators Impact Report: Data and methods that support environmental public health decision-making by communities. U.S. Environmental Protection Agency, Washington, DC, EPA/600/X-18/163, 2018. [cited
Zoran MA, Savastru RS, Savastru DM, Tautan MN. Assessing the relationship between surface levels of PM2.5 and PM10 particulate matter impact on COVID-19 in Milan, Italy. Sci. Total Environ. 2020;738:139825. https://doi.org/10.1016/j.scitotenv.2020.139825
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UCI(KEPA) : I410-ECN-0101-2023-539-001404702