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3D Printed frames to enable reuse and improve the fit of N95 and KN95 respirators.

Malia McAvoy | Ai-Tram N Bui | Christopher Hansen | Deborah Plana | Jordan T Said | Zizi Yu | Helen Yang | Jacob Freake | Christopher Van | David Krikorian | Avilash Cramer | Leanne Smith | Liwei Jiang | Karen J Lee | Sara J Li | Brandon Beller | Michael Short | Sherry H Yu | Arash Mostaghimi | Peter K Sorger | Nicole R LeBoeuf
medRxiv : the preprint server for health sciences | 2020

In response to supply shortages during the COVID-19 pandemic, N95 filtering facepiece respirators (FFRs or "masks"), which are typically single-use devices in healthcare settings, are routinely being used for prolonged periods and in some cases decontaminated under "reuse" and "extended use" policies. However, the reusability of N95 masks is often limited by degradation or breakage of elastic head bands and issues with mask fit after repeated use. The purpose of this study was to develop a frame for N95 masks, using readily available materials and 3D printing, which could replace defective or broken bands and improve fit.

Pubmed ID: 32743606

Research resources used in this publication

None found

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None found

Associated grants

  • Agency: NIGMS NIH HHS, United States
    Id: T32 GM007753
  • Agency: NCI NIH HHS, United States
    Id: U54 CA225088

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PRISM (tool)

RRID:SCR_005375

THIS RESOURCE IS NO LONGER IN SERVICE. Documented on May 5,2022.Tool that predicts interactions between transcription factors and their regulated genes from binding motifs. Understanding vertebrate development requires unraveling the cis-regulatory architecture of gene regulation. PRISM provides accurate genome-wide computational predictions of transcription factor binding sites for the human and mouse genomes, and integrates the predictions with GREAT to provide functional biological context. Together, accurate computational binding site prediction and GREAT produce for each transcription factor: 1. putative binding sites, 2. putative target genes, 3. putative biological roles of the transcription factor, and 4. putative cis-regulatory elements through which the factor regulates each target in each functional role.

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