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Plastic transistors get wet

  September 1/8, 2008
Cook up organic transistors from the right plastic and you have chemical and biological sensors that can survive watery environments. Prototypes of the organic thin-film transistor sensors can detect minute amounts of toxins and biological substances in fluid samples.

The transistors could be used to detect environmental contamination, chemical warfare agents and disease markers in substances ranging from river water to blood.

Research paper:
Water-Stable Organic Transistors and Their Application in Chemical and Biological Sensors
Proceedings of the National Academy of Sciences, August 26, 2008

Researchers' homepages:
Stanford Organic Macroelectronics and Nanoelectronics Group
Núria Queraltó Gratalos
Jason Locklin
Wolfgang Knoll

Back to TRN September 1/8, 2008

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