Tattooing and the art of sensing within the skin: Dermal tattoo sensors for the detection of blood pH change and metabolite levels

www.sciencedaily.com

The art of tattooing may have found a diagnostic twist. A team of scientists in Germany have developed permanent dermal sensors that can be applied as artistic tattoos. A colorimetric analytic formulation was injected into the skin instead of tattoo ink. The pigmented skin areas varied their color when blood pH or other health indicators changed.

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