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Temporary Tattoo Could Replace Pin-Prick Blood Tests For Diabetics

Temporary Tattoo Could Replace Pin-Prick Blood Tests For Diabetics

A simple, miniature tech device embedded on a temporary tattoo could provide a non-invasive alternative to diabetics’ daily blood tests.
The devices work thanks to miniature, non-invasive technology that’s emedded in the tattoo itself. A pair of precisely patterned electrodes are printed onto the temporary tattoo paper, which is applied to the skin and applies a very mild electrical current. This process enables tiny sensors on the tattoo to detect glucose levels and output the data.
For the technically-minded who want to know how this works – the current causes sodium ions in the blood to migrate towards the electrodes. The ions carry glucose molecules with them, affecting the strength of electrical charge produced and allowing the sensors to track how much glucose is present.
Since the tattoo is disposable, it can be applied to check glucose levels once and then simply thrown away. It also helps diabetics to replace the somewhat painful and annoying process of having to take blood samples everyday.