New graphene-based wearable sensors

During the Mobile World Congress 2019 ICFO, a company based in Barcelona, presented two prototypes of wearable sensors based on graphene, a material consisting of a monatomic layer of carbon atoms.

The first one is a UV patch that measures the UV levels to which a person is exposed. The patch can be connected to any mobile device to alert users once they already reached the defined threshold of sun exposure.

ICFO also developed a fitness tracker that uses the same core technology. The belt, which is disposable and transparent, can measure hydration, heart rate, oxygen saturation, temperature and breathing rate while a person is exercising.

Both sensors are still prototype; the UV patch has attracted the attention of textile companies that could put it inside swimsuits, so enabling them to signal when it is time to put the cream or look for some shade.

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