The Korea Advanced Institute of Science and Technology (KAIST) in the South Korean city of Daejeon has developed an electronic tattoo ink made of liquid metal and carbon nanotubes that functions as a bioelectrode, News.ro reports.

Soon, South Koreans will be able to wear a device inside their body in the form of an individual tattoo, which automatically warns them of possible health problems, if the project of a scientific group pays off.

Connected to an electrocardiogram (ECG) or other biosensor, it can send the patient’s heart rate and other vital signs, such as glucose and lactic acid, to the monitor.

Researchers aim to eventually move away from biosensors.

“In the future, what we hope to do is connect a wireless chip integrated with this ink so that we can communicate or send a signal between our body and an external device,” said project leader Steve Park, professor of materials. science and technology.

Theoretically, such monitors could be placed anywhere, including patients’ homes.

The ink is non-invasive and consists of particles based on gallium, a soft silvery metal that is also used in semiconductors or thermometers. Platinum-decorated carbon nanotubes help conduct electricity, ensuring durability.

“When applied to the skin, the tattoo doesn’t come off even if it’s rubbed off, which can’t be done with liquid metal alone,” Park said.