In­no­va­tion of the week

The Week Middle East - - News -

A tat­too with ben­e­fits Ja­panese sci­en­tists have de­vel­oped a wear­able sen­sor that can mon­i­tor pa­tients’ vi­tal signs, and also “looks and feels like a henna tat­too”. That’s a big ad­van­tage over cur­rent de­vices made out of polyester or rub­ber sheets that aren’t breath­able enough to al­low air to pass through, mak­ing the wearer sweaty and itchy. The pro­to­type sen­sor is con­structed from nanoscale mesh, “a spaghetti-like en­tan­gle­ment of fi­bres a thou­sand times thin­ner than a hu­man hair,” and can be ap­plied in the same way as a tem­po­rary tat­too. The sen­sor can be rubbed off in wa­ter, “so in re­al­ity, it will need to be re­placed after ev­ery shower or bath,” but re­searchers hope that prob­lem will be solved with fu­ture re­search.

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