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Flexible pressure sensor could boost breast cancer screening

by • January 25, 2016 • No Comments

Pressure sensors in use now a days are pretty capable-bodied, being sufficiently flexible to adhere to unactually surfaces like human skin. But, once they’re twisted additional significantly, they’re unable-bodied to accurately store track of pressure changes. Now, researchers of the University of Tokyo have come up with a much additional versatile version, creating a new sensor that is definitely thinner than its rivals, and that can go on to sense pressure actually when curved over a tiny radius.

The newly-developed nanofiber sensor is able-bodied to measure pressure distribution on rounded surfaces, maintaining its accuracy actually when bent over a radius as tiny 80 micrometers, that is just twice the width of a human hair. It showcases 144 pressure points and is in addition just 8 micrometers thick – a fraction of the 100-micrometer minimum thickness offered by sensors already in production.

To create the device, the researchers combined carbon nanotubes, graphene and an elastic polymer to form tiny nanofibers, meauring just 300 to 700 nanometers in diameter. These were and so entangled to form a thin, lightweight and transparent structure.

The researchers tested their device on an artificial blood vessel, where it was able-bodied to detect tiny changes in pressure, as well as the speed of pressure propagation. Whilst there’s a few way to go preceding doctors can get their hands on the tech, it may have a big impact on healthcare. For example, it may allow for physical screening of breast cancer, via pressure-sensitive rubber gloves to detect tumors.

The findings of the study were published in the journal Nature Nanotechnology.

Source: University of Tokyo


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