Temporary Tattoo Monitors Blood Glucose Levels

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Scientists from the University of California, San Diego, have developed and tested a tiny stick-on temporary tattoo that painlessly extracts glucose and monitors its levels in the body. It works by gently drawing glucose from between cells to the surface of the skin where it can then be measured by in-built sensors. Not only is the gadget non-invasive and discreet, it’s extremely cheap—costing just a few cents—and works just as well as the dreaded finger prick tests.

Although it’s just at a proof-of-concept stage, it’s hoped that one day it could be used to replace painful daily blood sampling, and could even be adapted to test other medically important molecules or deliver medicines.

Temporary Tattoo Monitors Blood Glucose Levels | IFLScience