Volume 87 Issue 51 | p. 33 | Concentrates
Issue Date: December 21, 2009

Artificial Platelets

Materials scientists have developed a peptide-coated nanoparticle that aids clotting to stop bleeding
Department: Science & Technology
Keywords: synthetic platelets, polyethylene glycol

When a cut or injury draws blood, specialized cells called platelets form clots to stem the flow. Materials scientists have now developed a synthetic platelet that helps speed up clotting in rats and could one day be useful at accident scenes or on battlefields (Sci. Transl. Med. 2009, 1, 11ra22). Instead of trying to mimic platelets outright, a team led by Erin B. Lavik of Case Western Reserve University developed a nanoparticle that . . .

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