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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Uttamchandani, Deepak
University of Strathclyde
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 20223D-printing optical components for microscopy using a desktop 3D-printer
- 2020MEMS gas flow sensor based on thermally induced cantilever resonance frequency shiftcitations
- 2018Miniaturisation of photoacoustic sensing systems using MEMS transducer arrays and MEMS scanning mirrorscitations
- 2018Photoacoustic characterization of custom-made thin film AlN MEMS ultrasound transducerscitations
- 2013The development of sensors for volatile nitro-containing compounds as models for explosives detectioncitations
- 2012Microelectrode sensor utilising nitro-sensitive polymers for application in explosives detectioncitations
- 2011Direct comparison of stylus and resonant methods for determining Young's modulus of single and multilayer MEMS cantileverscitations
- 2009Simultaneous determination of the Young's modulus and Poisson's ratio in micro/nano materialscitations
Places of action
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article
The development of sensors for volatile nitro-containing compounds as models for explosives detection
Abstract
Sensors capable of detecting explosives or their degradation products are important devices needed to safeguard citizens and infrastructure. We report on the sensor application of novel customized polymer films that we have produced to have high affinity for chemical vapors containing the nitro (NO2) group, which is found in explosives such as TNT and DNT. We have used localized electrochemical growth of these polymers to realize miniature, high-selectivity capacitive sensors based on interdigitated electrodes (IDEs). These sensors have been tested for response to vapors of nitrobenzene and 2-nitrotoluene as model analytes for nitro vapors generated from explosive compounds. The sensors were demonstrated to be reversible and to have a very high selectivity to nitro-bearing compounds. In the ppm concentration region, our sensors exhibited a linear response up to three orders of magnitude higher to nitro groups than to other common volatile chemicals found in the atmosphere, which we believe is the highest selectivity to nitro compounds reported from a polymer-based chemicapacitor sensor