Plastic chips monitor body functions

A small blood lab that fits into the pocket of a jacket can quickly analyze the risk of blood clots in legs prior to a long distance flight; a sensor wristband for measuring electric smog can warn pacemaker patients of life-threatening exposure: "smart plastics" can turn such tools into reality. The scientists at the Fraunhofer Institute for Reliability and Microintegration IZM in Munich, Germany, are intensely working on these topics.

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