Peratech creates an Electronic Nose

Peratech has created a fast-acting electronic nose suitable for detecting Volatile Organic Compounds (VOCs). This is achieved by utilising a Quantum Tunnelling Composite (QTC) Material which change their resistance when a force is applied (which occurs in the presence of VOCs). The QTC material is able to detect VOCs at around 10-100ppm and can recover (i.e. when they are no longer present) in a couple of seconds. The material was developed in conduction with the University of Durham and Peratech is now looking for companies to license the technology and develop products suitable for the market.
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