Implant bacteria, beware: Researchers create nano-sized assassins

		IMAGE: Erik Taylor is a graduate student in engineering at Brown University. Click here for more information.

PROVIDENCE, R.I. [Brown University] — Staphylococcus epidermidis is quite an opportunist. Commonly found on human skin, the bacteria pose little danger. But S. epidermidis is a leading cause of infections in hospitals. From catheters to prosthetics, the bacteria are known to hitch a ride on a range of medical devices implanted into patients.