Diamond-like layer could prevent blood clots

Coating prosthetic veins and arteries with a diamond-like layer of carbon could one day prevent blood clots forming in people with heart disease. A layer of ultra-slippery diamond-like carbon (DLC) is already coated onto some metal stents, which are used to keep blood vessels open. But coating the interior of a replacement vein or artery was not thought possible, as the vacuum used to deposit DLC would dry out the collagen. Now Ian Kill and Joe Franks at Brunel University in Middlesex, UK,
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