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Hydrogel “Band-Aidâ€? Senses Temperature, Lights Up, and Delivers Medicine to the Skin
Added Dec 7, 2015 | Rate View top rated
MIT engineers have designed what may be the Band-Aid of the future: a sticky, stretchy, gel-like material that can incorporate temperature sensors, LED lights, and other electronics, as well as tiny, drug-delivering reservoirs and channels. The â??smart wound dressingâ?%9D releases medicine in response to changes in skin temperature and can be designed to light up if, say, medicine is running low. When the dressing is applied to a highly flexible area, such as the elbow or knee, it stretches with the body, keeping the embedded electronics functional and intact. The key to the design is a hydrogel matrix, a rubbery material mostly composed of water, designed to bond strongly to surfaces such as gold, titanium, aluminum, silicon, glass, and ceramic.
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