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Mask sensor to detect and track coronavirus in development

Mask sensor to detect and track coronavirus in development




The University of California, San Diego (UCSD) has been
awarded US$1.3 million by The National Institutes of Health to develop a mask
sensor that detects the presence of the novel coronavirus. The lightweight
sensor would be attached to face masks to monitor a person’s breath or saliva
for virus-related molecules.





The sensor will also detect virus molecules expelled by
someone else and possibly inhaled by the wearer of the mask.





“This would be a way of identifying outbreaks early. We’re
repurposing something that people are already wearing to sort of monitor the
environment,”said Jesse Jokerst, professor of nanoengineering at UCSD.





The sensor, contained in a test strip, is designed to change
colour when squeezed by the wearer, denoting a positive reading. The wearer
will then have to take a test to confirm the infection.





The initial process is similar to the one used to check
results in a home pregnancy test, and is meant to be useful in contact tracing.





UCSD has developed a variety of sensors to detect the spread
of the coronavirus – it expects the mask sensor to be ready for use later this
year.





UCSD began placing sensors in its waste water system last
year, to monitor for the presence of the virus in sewage coming out of specific
buildings. When there’s a positive reading, UCSD alerts people who might have
been using the buildings at specific times and asks them to get a COVID-19 test.





The early warning system is the largest of its kind at an American university and is likely to be in use for quite a while.















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