A polyethylene oxide (PEO) coating designed to enhance biocompatibility and to provide a non-fouling surface, has been developed by the US company Advanced Surface Technology Inc (AST). The 'BioPhilic' coating may offer a solution to the problems of undesired protein and cellular adhesion, blood clotting and infection that affect a variety of biomedical devices, separations media, diagnostic products, and other surface sensitive applications, AST says.
The basis of the technology is a PEO coating that is permanently grafted to the substrate material through a proprietary process. PEO has long been recognized as a biocompatible, non-fouling surface, but the commercial …
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