Volume 87 Issue 17 | p. 30 | Concentrates
Issue Date: April 27, 2009

Metal Doping Makes For Super Spider Silk

Adding a dash of metal to spider silk takes the biomaterial's strength and stretchiness to the next level--and potential new applications
Department: Science & Technology

Silk is a high-performance fiber in its own right, but adding a dash of metal to the biomaterial takes its strength and stretchiness to the next level, according to a report in Science (2009, 324, 488). Such souped-up silk might someday find its way into surgical thread or artificial tendons. Inspired by inorganic impurities that lend toughness to proteins in animal stingers and claws, Seung-Mo Lee and Mato Knez of the . . .

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