Katie Cordrey
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British scientists have unveiled a glowing bandage that not only treats wounds but destroys skin cancer cells with light. A flexible strip of plastic embedded with light-emitting diodes focuses a high-powered red light beam on tumors. When the light is absorbed by a special skin cream, cancer cells are killed. The laser bandage allows patients to receive treatment without having to submit to hours of inactivity under lights in a clinic or hospital. Polymertronics and Lumicure are two companies currently pursuing this general technology. The video above gives basic information about photodynamic therapy in cosmetic applications: The principle is the same for cancer treatment.  Early tests by researchers Polymetronics at their laboratory in Banbury, Oxfordshire, have killed cancer cells in just 30 minutes.
The plaster uses hundreds of clusters of 4mm Organic Light Emitting Diodes (OLED) spread across the surface that painlessly zap the effected area of skin.
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