Volume 87 Issue 50 | p. 34 | Concentrates
Issue Date: December 14, 2009

Nanotube-Based Sensor Detects Gama Rays

Partially-folded protein from barley steadies brew’s tiny bubbles
Department: Science & Technology
Keywords: gamma ray, sensor, nanotube

Detecting dangerous gamma rays could become simpler and less expensive, thanks to a new sensor based on a carbon nanotube-polymer composite (Angew. Chem. Int. Ed., DOI: 10.1002/anie.200904936). The technology, which relies on a simple resistivity measurement, could find practical use in national security or nuclear research, say MIT’s Timothy M. Swager and Jose M. Lobez, who created the device. The sensor is composed of a network of multiwalled carbon nanotubes embedded in a . . .

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