Bioengineered silk: biodegradable, tough, and timely

by Shana on Sep. 21st, 2010

Researchers have developed several ways to potentially mass-produce silk without moths or spiders. The silk can be a hard solid, gel, liquid, sponge, or fiber, is stronger than kevlar, non-toxic, and biodegradable. It's perfectly clear and can be used to create plastics, optical sensors, medicine delivery capsules implanted inside the body--the applications are pretty huge and pretty green.

There's already a silk tissue scaffold on the market that can be used to regenerate ligaments or other damaged tissue--the scaffold is implanted into the body in place of damaged tissue, and as new tissue grows around it, the silk slowly breaks down into amino acids and is reused by the body. How cool is that?!

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