08.09.2011 19:20 Uhr, Quelle: Engadget

Scientists develop blood swimming 'microspiders' to heal injuries, deliver drugs

Scientists at Penn State would like to release tiny spiders into your blood -- no, it's not the premise for a new horror movie, but rather, it's a medical breakthrough. The spider-like machines are less than a micrometer wide (just so you know, a red blood cell is around six to ten micrometers), and are designed to travel through veins delivering drugs and a little TLC to damaged areas -- not a totally new concept, per se, but even minor advancements can open up all sorts of new doors for troubled patients. Made of half gold, half silica, these microspiders are self-propelled by a molecule cal

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