An x-ray image showing the flower-like device deployed in the esophagus in pigs, where it could deliver molecules through degradable microneedles. This material relates to a paper that appeared in the Apr. 17, 2019, issue of Science Translational Medicine, published by AAAS. The paper, by S. Babaee at Massachusetts Institute of Technology in Cambridge, MA; and colleagues was titled, " Temperature-responsive biometamaterials for gastrointestinal application."
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