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South Korea develops nanotech tattoo as health monitoring device

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Water sprays on arm are seen with an electronic tattoo (e-tattoo) for the wettability test at the Korea Advanced Institute of Science and Technology (KAIST) in Daejeon, South Korea, July 26, 2022. —Reuters
Water sprays on arm are seen with an digital tattoo (e-tattoo) for the wettability take a look at on the Korea Advanced Institute of Science and Technology (KAIST) in Daejeon, South Korea, July 26, 2022. —Reuters
  • South Koreans could quickly be capable to carry device inside their very own our bodies.
  • Researchers develop digital tattoo ink product of liquid steel and carbon nanotubes.
  • Ink is non-invasive and constructed from particles based mostly on gallium.

DAEJEON: South Koreans could quickly be capable to carry a device inside their very own our bodies within the type of a bespoke tattoo that mechanically alerts them to potential health issues if a science group’s undertaking bears fruit.

Researchers on the Korea Advanced Institute of Science and Technology (KAIST) within the metropolis of Daejeon southwest of Seoul have developed an digital tattoo ink product of liquid steel and carbon nanotubes that features as a bioelectrode.

Hooked as much as an electrocardiogram (ECG) device or different biosensor, it may well ship a readout of a affected person’s coronary heart charge and different important indicators such glucose and lactate to a monitor.

The researchers finally purpose to have the ability to dispense with biosensors.

“In the future, what we hope to do is connect a wireless chip integrated with this ink, so that we can communicate, or we can send a signal back and forth between our body to an external device,” mentioned undertaking chief Steve Park, a supplies science and engineering professor.

Such screens might in concept be positioned anyplace, together with in sufferers’ houses.

The ink is non-invasive and constructed from particles based mostly on gallium, a mushy, silvery steel additionally utilized in semiconductors or in thermometers. Platinum-decorated carbon nanotubes assist conduct electrical energy whereas offering sturdiness.

“When it is applied to the skin, even with rubbing the tattoo doesn’t come off, which is not possible with just liquid metal,” Park mentioned.



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