The longevity and reusability of N95-grade filtering facepiece respirators (N95 FFRs) are limited by consecutive donning and disinfection treatments. Herein, we developed stable N97 nanofibrous respirators based on chemically modified surface to enable remarkable filtration characteristics via polarity driven interaction. This was achieved by a thin-film coated polyacrylonitrile nanofibrous membrane (TFPNM), giving an overall long-lasting filtration performance with high quality factor at 0.42 Pa (filtration efficiency: over 97 %; pressure drop: around 10 Pa), which is higher than that of the commercial N95 FFRs (0.10-0.41 Pa ) tested with a flow rate of 5 L min and the 0.26 μm NaCl aerosol. A coxsackie B4 virus filtration test demonstrated that TFPNM also had strong virus capture capacity of 97.67 %. As compared with N95 FFRs, the TFPNM was more resistant to a wider variety of disinfection protocols, and the overall filtration characteristics remained N97 standard.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8652953 | PMC |
| http://dx.doi.org/10.1002/anie.202108951 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Nurses' Experiences and Perceptions of P2/N95 Mask Use During the COVID-19 Pandemic in Australia: A Qualitative Study.
Nurs Health Sci
December 2024
School of Nursing and Midwifery, Deakin University, Geelong, Australia.
Experiencing side effects when wearing N95/P2 masks has negative impacts on health workers and increases exposure to pathogens. While side effects of wearing P2/N95 masks have been reported previously, these masks have never been used as widely as during the COVID-19 pandemic. This study examines Australian hospital nurses' experiences and perceptions of P2/N95 mask usage and its impacts on patient care at a time when P2/N95 masks were widely used.
View Article and Find Full Text PDFMold remediation in homes after flooding.
J Allergy Clin Immunol Pract
December 2024
Ochsner Health System, Department of Allergy/Immunology and Tulane University, School of Public Health and Tropical Medicine. Electronic address:
Flooding events, particularly those caused by hurricanes and other large storm events, are increasingly fueled by climate change. Stormwater intrusion into homes creates ideal conditions for mold growth. Homes inundated by floodwaters become vulnerable to production of mold spores, particulate matter, and volatile organic compounds, all of which trigger a variety of poor health outcomes.
View Article and Find Full Text PDFLessons learned in establishing and sustaining elastomeric half mask respirator-based respiratory protection programs: An impact evaluation.
J Occup Environ Hyg
December 2024
National Personal Protective Technology Laboratory, National Institute for Occupational Safety and Health, Pittsburgh, Pennsylvania.
Developing and overseeing Respiratory Protection Programs (RPPs) is crucial for ensuring effective respirator use among employees. To date, a gap exists in research that focuses on elastomeric half mask respirators (EHMRs) as the primary respirator in health delivery settings which would necessitate additional considerations in RPPs beyond the more common N95 filtering facepiece respirators. This paper presents lessons learned during a one-year impact evaluation with healthcare and first responder settings that received EHMRs from the Strategic National Stockpile in 2021 and 2022.
View Article and Find Full Text PDFA review of mask fit testing data associated with protocols utilized in evaluating the efficacy of N95 masks for health care workers.
J Infect Prev
July 2024
Adelaide Nursing School, Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia.
Background: Quantitative mask fit testing (QNFT) is the gold standard to confirm the correct fit of a N95/P2 mask to ensure health care workers protection from airborne viruses. Using the Occupational Safety and Health Administration (OSHA) guidance indicates a final fit test result is a cumulative score derived from manoeuvres within the OSHA protocol. The protocol-based manoeuvres mimic aspects of clinical care by health professionals and mask fit testing is conducted to provide protection from airborne viruses and pollutants within a care setting.
View Article and Find Full Text PDFAssessment of the Psychometric Properties of the Mask Usability Scale: A Measure of the Perceived Usability of N95 Respirators Among Healthcare Students and Staff.
J Adv Nurs
November 2024
School of Nursing, Tung Wah College, Hong Kong SAR, China.
Aim: To test the reliability and construct validity of the Mask Usability Scale in healthcare students and staff.
Design: A methodological study involving repeated measures.
Methods: The study included two batches of participants: (1) 283 university nursing students and (2) 1753 participants composed of students (61%) and clinical staff (39%).
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!