Paper
3 March 2022 A portable light scattering system for detecting expelled droplets to assess Covid-19 transmission risk
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Abstract
The COVID-19 pandemic has caused a marked disruption in the delivery of medical care, resulting in significant negative consequences for patients. Considering Covid-19 spreads primarily through expelled respiratory droplets, the ability to detect and measure droplets is critical to the development of clinical protective practices. However, most available methods are either unsuitable for the clinical setting, or cannot distinguish solid particles from liquid droplets. We developed a robust and portable optical instrument capable of measuring the size and quantity of droplets generated during medical procedures. Here we outline the system design and describe our preclinical measurements, which showed that surgical masks significantly reduce the number of expelled speech droplets.
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mark F. Coughlan, Mandeep S. Sawhney, Douglas K. Pleskow, Tyler M. Berzin, Umar Khan, Maria Glyavina, Xuejun Zhang, Liming Chen, Paul K. Upputuri, Conor J. Sheil, Mohammad Bilal, Joseph D. Feuerstein, Andy Silva-Santisteban, Yuri N. Zakharov, Edward Vitkin, Irving Itzkan, Lei Zhang, Le Qiu, and Lev T. Perelman "A portable light scattering system for detecting expelled droplets to assess Covid-19 transmission risk", Proc. SPIE 11974, Biomedical Applications of Light Scattering XII, 1197406 (3 March 2022); https://doi.org/10.1117/12.2608902
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KEYWORDS
Scattering

Light scattering

Cameras

Particles

Visualization

Aerosols

Computer aided design

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