Temporary Tattoo Monitors Vitals Comfortably

Temporary Tattoo Monitors Vitals Comfortably
A temporary graphene tattoo health sensor able to measure vital signs accurately and discreetly offers an alternative to bulky equipment.

The tattoo, being hailed as the thinnest epidermal electronics yet produced, was developed by a team at the University of Texas at Austin. To make the tattoo, the team first grew a layer of graphene on a sheet of copper, coated it with an elastic support polymer, and then removed the copper. The remaining polymer-graphene sheet was then applied to temporary tattoo paper and etched to create the electrodes, resulting in an ultra-thin, flexible sensor that can be applied to the skin with just a bit of water.

In tests, the graphene tattoos were able to measure electrical signals from the brain, heart and muscles, along with hydration levels and skin temperature, with results comparable to standard lab devices.

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Temporary tattoos may supplant also the permanent ones, if their colours and even figures will change according to body signals.
Posted by Uolevi Kattun on January 20, 2017

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