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N95 respirator decontamination: a study in reusability [PDF]

Materials Today Advances, 2021
The coronavirus disease 2019 (COVID-19) pandemic had caused a severe depletion of the worldwide supply of N95 respirators. The development of methods to effectively decontaminate N95 respirators while maintaining their integrity is crucial for respirator
C.-G. Wang, Z. Li, S. Liu, C.T. Ng, M. Marzuki, P.S. Jeslyn Wong, B. Tan, A. Lee, C.F. Hui Lim, P. Bifani, Z. Fang, J.C. Ching Wong, Y.X. Setoh, Y.Y. Yang, C.H. Mun, S.Z. Fiona Phua, W.Q. Lim, L. Lin, A.R. Cook, H. Tanoto, L.-C. Ng, A. Singhal, Y.W. Leong, X.J. Loh   +23 more
doaj   +4 more sources

A novel N95 respirator with chitosan nanoparticles: mechanical, antiviral, microbiological and cytotoxicity evaluations [PDF]

Discover Nano, 2023
Background It is known that some sectors of hospitals have high bacteria and virus loads that can remain as aerosols in the air and represent a significant health threat for patients and mainly professionals that work in the place daily.
Marcela Guimarães Landim, Marcella Lemos Brettas Carneiro, Graziella Anselmo Joanitti, Carla Tatiana Mota Anflor, David Dobkowski Marinho, José Filipe Bacalhau Rodrigues, Wladymyr Jefferson Bacalhau de Sousa, Daniel de Oliveira Fernandes, Beatriz Ferreira Souza, Alicia Simalie Ombredane, Jessica Catarine Frutuoso do Nascimento, Gisela de Jesus Felice, Aline Midori Adati Kubota, Juliana Simas Coutinho Barbosa, John Hideki Ohno, Solomon Kweku Sagoe Amoah, Lindomar José Pena, Glécia Virgolino da Silva Luz, Laise Rodrigues de Andrade, Willie Oliveira Pinheiro, Bergmann Morais Ribeiro, Fábio Rocha Formiga, Marcus Vinícius Lia Fook, Mário Fabrício Fleury Rosa, Henry Maia Peixoto, Rodrigo Luiz Carregaro, Suélia de Siqueira Rodrigues Fleury Rosa   +26 more
doaj   +2 more sources

Dry heat sterilization as a method to recycle N95 respirator masks: The importance of fit [PDF]

PLoS ONE, 2022
In times of crisis, including the current COVID-19 pandemic, the supply chain of filtering facepiece respirators, such as N95 respirators, are disrupted.
John G. Yuen, Amy C. Marshilok, Peter Todd Benziger, Shan Yan, Jeronimo Cello, Chavis A. Stackhouse, Kim Kisslinger, David C. Bock, Esther S. Takeuchi, Kenneth J. Takeuchi, Lei Wang, Sruthi Babu, Glen Itzkowitz, David Thanassi, Daniel A. Knopf, Kenneth R. Shroyer   +15 more
doaj   +4 more sources

SG-APSIC1056: Finding the right fit: Our experience in quantitative N95 respirator fit-testing [PDF]

Antimicrobial Stewardship & Healthcare Epidemiology, 2023
Objectives: Following a cluster of COVID-19 cases in a Singapore public hospital in April 2021, the local health authority mandated the use of N95 respirators in all inpatient wards.
Jin Min Sheena Ong, Bushra Binte Shaik Ismail, Sheena Ong Jin Min, Gillian Lee Li Xin, Lee Lai Chee, Molly How Kue Bien, Ling Moi Lin   +6 more
doaj   +2 more sources

Establishment of a fit prediction model of N95 respirator based on facial images [PDF]

Environmental Health and Preventive Medicine
Background: The protective effectiveness of an N95 respirator depends on the filtration efficiency of the material from which the N95 respirator is made of, as well as the wearers’ facial fit.
Guifang Wang, Changwei Luo, Can Cui, Shengjin Wang, Jing Huang   +4 more
doaj   +2 more sources

Minimising the duration of N95 respirator use during hospital SARS-CoV-2 outbreaks: A mixed-effects analysis of post-screening infection reduction [PDF]

Infection Prevention in Practice
Summary: Hospital SARS-CoV-2 outbreaks require effective interventions. We evaluated targeted universal N95 respirator use among staff from outbreak identification until screening results.
Mari Yanaka, Toshibumi Taniguchi, Misuzu Yahaba, Shota Murata, Hiroshi Yoshikawa, Hitoshi Chiba, Misao Urushihara, Hidetoshi Igari   +7 more
doaj   +2 more sources

A simple surgical mask modification to pass N95 respirator-equivalent fit testing standards during the COVID-19 pandemic. [PDF]

PLoS ONE, 2022
BackgroundThe COVID-19 pandemic has infected hundreds of millions of people resulting in millions of deaths worldwide. While N95 respirators remain the gold standard as personal protective equipment, they are resource-intensive to produce and obtain ...
Agnes Z Dardas, Viviana M Serra Lopez, Lauren M Boden, Daniel J Gittings, Kevin Heym, Emily Koerber, Taras Grosh, Jaimo Ahn   +7 more
doaj   +2 more sources

Gamma radiation sterilization of N95 respirators leads to decreased respirator performance.

PLoS ONE, 2021
In response to personal protective equipment (PPE) shortages in the United States due to the Coronavirus Disease 2019, two models of N95 respirators were evaluated for reuse after gamma radiation sterilization.
Haedi E DeAngelis, Anne M Grillet, Martin B Nemer, Maryla A Wasiolek, Don J Hanson, Michael A Omana, Andres L Sanchez, David W Vehar, Paul M Thelen, Paul M Thelen   +9 more
doaj   +3 more sources

N95 respirator hybrid decontamination method using Ultraviolet Germicidal Irradiation (UVGI) coupled with Microwave-Generated Steam (MGS). [PDF]

PLoS ONE
The Coronavirus Disease 2019 (COVID-19) pandemic has induced a critical supply of personal protective equipment (PPE) especially N95 respirators. Utilizing respirator decontamination procedures to reduce the pathogen load of a contaminated N95 respirator
Thirumaaran Gopalan, Mohd Ridha Muhamad, Victor Chee Wai Hoe, Pouya Hassandarvish   +3 more
doaj   +2 more sources

N95 respirator and surgical mask effectiveness against respiratory viral illnesses in the healthcare setting: A systematic review and meta‐analysis [PDF]

Journal of the American College of Emergency Physicians Open, 2021
Objective To examine the results, level of evidence, and methodologic quality of original studies regarding surgical mask effectiveness in minimizing viral respiratory illness transmission, and, in particular, the performance of the N95 respirator versus
Andrew P. Collins, Benjamin C. Service, Sunny Gupta, Naser Mubarak, Ibrahim Mamdouh Zeini, Daryl C. Osbahr, Anthony A. Romeo   +6 more
doaj   +2 more sources