This Hydrogel Can Sing | September 2, 2013 Issue - Vol. 91 Issue 35 | Chemical & Engineering News
Volume 91 Issue 35 | p. 13 | News of The Week
Issue Date: September 2, 2013

This Hydrogel Can Sing

Materials Science: Stretchy, vibrating devices might serve as implantable sensors
Department: Science & Technology
News Channels: Biological SCENE, Materials SCENE
Keywords: flexible electronics, artificial muscle, loudspeaker, ionic conductor, hydrogel, voltage

The possibility of implantable electronic sensors to bolster functioning of a person’s brain, heart, or skin depends on scientists’ success in developing flexible electronic circuits that are biocompatible. But all the bendy electronics made so far rely on components such as copper or graphene to conduct electrons across their surfaces, says Zhigang Suo, a professor of mechanics and materials at Harvard University. And those materials, he adds, might not interact well with . . .

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