Inside Precision Medicine September 14, 2022
Anita Chakraverty

Tattoos made from patches of tiny needles can permanently encode complex medical information directly onto the skin and provide a means to constantly monitor physiological changes to the body.

The microneedle patch tattoos were able to imprint numbers, letters and symbols onto animal skin, thereby offering the potential to indelibly create medical alerts for conditions such as diabetes or imprint QRS codes to carry other vital health information.

The patches could also deploy ultra-violet ink that is invisible in daylight and thermochromic ink that could change colour in response to temperature changes such as during a fever, allowing them to respond to biophysical cues that enable physiological  monitoring.

The research, reported in the journal iScience, also showed that microneedle tattoos could be...

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