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Smart Sutures Use Ultra-thin Technology to Detect Infection

from Gizmodo

A team of researchers at the University of Illinois at Urbana-Champaign have successfully developed an electronic suture that contains ultrathin silicon sensors integrated on polymer or silk strips and can be laced through the skin and knotted just like conventional medical stitches. These smart sutures are able to precisely measure body temperature at the site if the wound — infection elevates the skin's temperature — as well as to deliver heat to the wound site, which is known to aid in healing. With the help of his colleagues, John Rogers, a professor of materials science and engineering at the university, developed the suture using silicon membranes, gold electrodes, and wires that are just a few hundred nanometers thick and patterned in a serpentine shape. MC10, a Cambridge, Massachusetts-based startup Rogers cofounded, is commercializing the technology — which is still only in its trial phase. more

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