An inexpensive element that naturally benefits the body through dietary intake could also protect patients from infections following the placement of implantable medical devices. Brown University engineers used selenium nanoparticles to coat polycarbonate, the material that makes up catheters and endotracheal tubes. They found that cultured populations of Staphylococcus aureus bacteria were significantly reduced, sometimes by as much as 90 percent. The goal is to prevent the bacteria from...
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