Technology

Nanotechnology turns tattoos into health monitoring devices


South Korean scientists are working on turning tattoos into medical monitoring devices that can alert users to potential health problems.

Researchers at the Korea Advanced Institute of Science and Technology (KAIST) in Daejon city, southwest of Seoul are developing a special electronic tattoo ink, made of liquid metal and functional carbon nanotubes. function as a bioelectrode.

An electronic tattoo tested for water resistance. (Photo: Reuters)

When connected to an electrocardiogram (ECG) or biosensors, this e-ink can send a patient’s heart rate readings, as well as other important data such as glucose and lactic acid display. out the screen.

Currently, scientists are working on applying this technology without connecting to other biosensors.

“In the future, we hope to be able to connect this ink to a wireless microprocessor to create a communication channel, sending information back and forth between the body and the peripheral device,” said Steve Park, project leader. judgment said.

In theory, monitors could be placed anywhere, including in the patient’s home.

The ink used is non-invasive, made from particles based on gallium, a soft, silvery metal also used in semiconductors or thermometers. Meanwhile, the platinum-plated carbon nanotubes help conduct electricity and improve durability.

“When applied to the skin, even with vigorous rubbing, the ink does not come off, unlike using liquid metal,” Park shared.

Vinh Ngo (According to Reuters)

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