SAN FRANCISCO, Sept. 10 - A chemical compound found in crabs and shrimp that has long been known to have certain medicinal value also can act like a “bed of nails,” fending off microbes seeking to colonize wound dressings, catheters and other implantable medical devices, according to Montana State University researchers. Using the compound to coat these medical devices, they say, could help prevent thousands of bacterial and yeast infections annually. >>> Discuss This Story