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Flash leads to flex in lab-grown muscle

Light-activated tissue inspires dream of squirming robots

Artificial muscle tissue that recoils when hit with a burst of light could one day be used to build soft-bodied robots that can be guided by light.

The light-sensitive tissue could also be used to test new drugs that target muscle-wasting diseases, says Mahmut Selman Sakar of ETH Zurich. The findings are slated to appear in an upcoming issue of the journal Lab on a Chip. Sakar and colleagues first reported their work August 21 on the publication's website.

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