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Deprecated: Implicit conversion from float 227.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Appl+Opt 2020 ; 59 (25): 7585-7595 Nephropedia Template TP
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Construction and validation of UV-C decontamination cabinets for filtering facepiece respirators #MMPMID32902458
Purschke M; Elsamaloty M; Wilde JP; Starr N; Anderson RR; Farinelli WA; Sakamoto FH; Tung M; Tam J; Hesselink L; Baer TM
Appl Opt 2020[Sep]; 59 (25): 7585-7595 PMID32902458show ga
We present evidence-based design principles for three different UV-C based decontamination systems for N95 filtering facepiece respirators (FFRs) within the context of the SARS-CoV-2 outbreak of 2019-2020. The approaches used here were created with consideration for the needs of low- and middle-income countries (LMICs) and other under-resourced facilities. As such, a particular emphasis is placed on providing cost-effective solutions that can be implemented in short order using generally available components and subsystems. We discuss three optical designs for decontamination chambers, describe experiments verifying design parameters, validate the efficacy of the decontamination for two commonly used N95 FFRs (3M, #1860 and Gerson #1730), and run mechanical and filtration tests that support FFR reuse for at least five decontamination cycles.