New major progress against Covid: in the face of the threat of the 8th wave, scientists set the tone – L’Indépendant

New major progress against Covid: in the face of the threat of the 8th wave, scientists set the tone – L’Indépendant

This mask would work very well “in poorly ventilated areas such as elevators or closed rooms where there is a high risk of infection.”

Scientists from Shanghai Tongji University created a face mask which can detect common respiratory viruses, including influenza and coronavirusin the air as droplets or aerosols. Prototype, presented on September 19 in the magazine masscan alert wearers via their mobile devices within 10 minutes whether the target pathogens are present in the ambient air.

To do this, the research team designed a small sensor with aptamers, a type of molecule capable of identifying proteins from pathogens, such as antibodies, which they then attach to the mask.

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It works well”where there is a high risk of infection”

“Our mask would work very well in poorly ventilated areas such as elevators or closed rooms where there is a high risk of infection, said Yin Fang, author of the study. In the future, if a new respiratory virus emerges, they can easily update the sensor design to detect new pathogens.”, he adds. Scientists are already working on how to do that reduce detection time.

The respiratory pathogens responsible for Covid and influenza are spread through small droplets and aerosols released by infected people when they talk, cough, or sneeze. These virus-containing molecules, especially tiny aerosols, can remain suspended in the air for a long time.

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