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Home > News > Tuning in to vapours

August 8th, 2003

Tuning in to vapours

A sensitive chemical sensor has been developed in which a nanoscale polymer wire retunes the resonant frequency of a microscale tuning fork when exposed to an organic vapour. The device is cheap and compact, and can detect ethanol vapour mixed with nitrogen at a level of less than 15 parts per million.

* Nature

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