28 Jan '15, 5pm

Silk Implants Fight Bacterial Infection Then Vanish

Silk Implants Fight Bacterial Infection Then Vanish

A new electronic implant can fight bacterial infection inside the body and then harmlessly dissolve. The simple, passive device is made entirely of silk and magnesium, which are both benign, biocompatible materials. The device, which can be loaded with antibiotics, could be implanted inside the body during surgery and then wirelessly triggered from outside to kill bacteria using heat or by releasing drugs. Once its work is done, it would dissolve. The idea is to make benign, functional electronics that last in the body for a finite amount of time so that no surgical retrieval is required, explains Fiorenzo Omenetto , a professor of bioengineering at Tufts University. Researchers from Omenetto’s group, together with collaborators from the Shanghai Institute of Microsystem and Information Technology in China and the University of Illinois at Urbana-Champaign, presented resul...

Full article: http://spectrum.ieee.org/tech-talk/biomedical/devices/sil...

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