The ultrathin patches, which are applied to the skin like temporary tattoos, contain miniature electronic components that sense and send information for diagnosing and monitoring medical conditions.

Applied to skin like a temporary tattoo, these could be used to monitor electrophysiological signals associated with the heart and muscles, as well as rudimentary brain activity. To improve its ...

Thanks to these properties, the graphene tattoos work like wearable electronic devices, enabling biometric uses, such as monitoring the electrical activity of the brain, heart, and muscles.

The non-permanent wireless forehead e-tattoos decode brainwaves to measure mental strain, without the need for bulky headgear ...