Harvard and MIT researchers have developed smart tattoo ink capable of monitoring health by changing color to tell an athlete if she is dehydrated or a diabetic if his blood sugar rises.
said Ali Yetisen, who is a Tosteson postdoctoral fellow at HMS and Massachusetts General Hospital.
“And so we came up with the idea that we could incorporate biosensors in the skin.”.
A drawback of current wearable monitoring devices is that they don’t seamlessly integrate with the body, Yetisen said.
The team also developed a green ink, viewable under blue light, that grows more intense as sodium concentration rises, an indication of dehydration.
Jiang and Yetisen said that once the bugs are worked out, the applications for biologically-sensitive ink are fairly broad.
Inks, Yetisen said, could be incorporated into long-lasting tattoos for chronic conditions or into temporary designs for shorter-duration monitoring. »
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