A study presented at the 247th National Meeting & Exposition of the American Chemical Society showed that using a micro scaffold made from a new hydrogel called tropoelastin hit with ultraviolet light could keep heart cells intact once grown on the gel-based scaffold. Using 3D printing technology, researchers create patterns in the gel and these patterns coax the stem cells to grow as heart cells. They added that the artificial tissues produced from the method could either be formed into patches and placed on damaged organs or have the hydrogel infused into the body and use ultraviolet light to form its scaffold in vitro.

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