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Researchers engineer tiny, shape-changing machines that deliver medicine to the GI tract（图）
engineer tiny shape-changing machines deliver medicine GI tract
2020/11/13
Inspired by a parasitic worm that digs its sharp teeth into its host's intestines, Johns Hopkins University researchers have designed tiny, star-shaped microdevices that latch onto intestina...
2:33 p.m., Jan. 14, 2014--Researchers at the University of Delaware have developed a “smart” hydrogel that can deliver medicine on demand, in response to mechanical force.