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MIT has developed colour-changing tattoo ink that monitors your health in real time

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Researchers have developed a new colour-changing tattoo ink that responds to modifications in the physique, akin to blood sugar and sodium ranges.

Utilizing a liquid with biosensors as an alternative of conventional ink, scientists need to turn the surface of the human pores and skin into an “interactive display” – an concept that makes this proof-of-concept an thrilling one to observe. Know-how like this could turn out to be a revolutionary new method to monitor well being.


The challenge, referred to as DermalAbyss, is a collaboration between researchers from MIT and Harvard Medical Faculty, combining efforts from Fluid Interfaces and biotechnology.

Up to now, the staff has developed three totally different inks that shift color in response to modifications in interstitial fluid – the stuff that sloshes round between our cells, comprising some 16 % of the human physique weight.

Of the three sensor inks, probably the most intriguing is the one that may measure glucose ranges. The sensor modifications its colour from blue to brown as blood sugar rises.

Having a glucose-sensing tattoo might conceivably make life easier to individuals with diabetes, who need to depend on pin-prick blood checks all through the day to watch their glucose.

The workforce has additionally created an ink that shifts from pink to purple in relation to pH ranges, and a third sensor that may detect sodium, shining a vibrant inexperienced hue beneath UV mild in the presence of rising salt ranges.

Xin LIU, Katia Vega

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