The epidemic in Hong Kong has not subsided in recent days: wearing masks has gradually become a living habit of the public to avoid contracting the virus. However, China recently developed a new mask that allows users to detect whether there is COVID-19 or the flu around them when they wear them.
According to Bloomberg, a team of 6 scientists from Shanghai’s Tongji University has successfully developed a mask-mounted sensor that can detect whether the air near the wearer contains COVID-19, H5N1 (avian flu type A) within 10 minutes. ), the causative agent of the H1N1 virus (swine flu) and transmit the results to the device.
The article in the American scientific journal “Matter” pointed out that the sensor carries nucleic acid aptamers, which can recognize the unique proteins of pathogens. The team installed a multi-channel sensor with three nucleic acid aptamers in the mask, allowing it to recognize COVID-19, H5N1 and H1N1 simultaneously.
This sensor can be recharged with a lithium battery and users only need to install the sensor on the outside of the mask to use it. The team conducted a pathogen spray test for the sensor inside, simulating someone spraying the pathogen while talking or coughing.The sensor was found to be able to detect a liquid response which is around 70 -560 times less than that of a sneeze, and both will send an alert to the device.
source:Bloomberg
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