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Flexible, high-performance gas sensors (left) were made by spraying a solution of carbon nanotubes (right) onto a plastic backing. (Credit: Uli Benz/TUM)


The TUM effort to develop flexible carbon nanotube-based gas sensors, together with new fabrication processes that could make them commercially viable, was led by postdoctoral researcher Alaa Abdellah. (Credit: Uli Benz/TUM)


Low-cost fabrication of carbon nanotube-based sensors, which researchers demonstrated using a small robotic spray machine, should be easy to scale up for industrial production. (Credit: Uli Benz/TUM)

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