pAQ monitor: innovative device provides real-time surveillance of SARS-CoV-2 aerosols NatureComms aerosols COVID19 SARSCoV2 covid surveillance technology
By Neha MathurJul 13 2023Reviewed by Lily Ramsey, LLM In a recent study published in Nature Communications, researchers presented the proof-of-concept of a pathogen Air Quality monitor that could detect severe acute respiratory syndrome coronavirus 2 aerosols even in low virus concentration environments.
So, while social distancing, mandatory masking in public spaces, and quarantining SARS-CoV-2-infected individuals could help decrease the risk of airborne transmission, these measures also adversely affect people's daily social lives. Second, these devices should have a rapid, accurate, and sensitive virus detection protocol to quantify airborne viruses, often present in low concentrations in ambient air.
About the study In the present study, researchers devised the concept of a pAQ monitor for detecting SARS-CoV-2 in the air at five minutes time resolution. After ten sampling cycles, the team injected ~15 mL of hypochlorous acid to decontaminate the wet cyclone. While the MIE biosensor unit analyzed an air sample, the wet cyclone began collecting the next sample.
A high-efficiency particulate absorbing filter collected the aerosols that exited from the top of the wet cyclone. Clearly, in 10 minutes, owing to its extremely high flow rate, the wet cyclone recovered high amounts of SARS-CoV-2 RNA by sampling a larger volume of air , which makes it an ideal device for high-time resolution monitoring in real-world settings, hospitals and patient isolation rooms where airborne SARS-CoV-2 RNA concentrations remain between 2–94,000 copies/m3.
Belgique Dernières Nouvelles, Belgique Actualités
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