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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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Braun, Thomas
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2023Potenzialanalyse der plasmabasierten, strukturierten Metallisierung thermoaktiver Oberflächen im industriellen Hausbau ; Potential analysis of plasma-based metallization of thermoactive surfaces in industrial building constructions
- 2022Polar Intermetallic Fe/Co/Ni-rich Germanides and Silicides: Synthesis and Characterization ; Polare intermetallische Fe/Co/Ni-reiche Germanide und Silizide: Synthese und Charakterisierung
- 2022An Intermetallic CaFe6Ge6 Approach to Unprecedented Ca−Fe−O Electrocatalyst for Efficient Alkaline Oxygen Evolution Reaction
- 2021Efficient abrasive water jet milling for near-net-shape fabrication of difficult-to-cut materials
- 2020Efficient abrasive water jet milling for near-net-shape fabrication of difficult-to-cut materialscitations
- 2010Sensing surface PEGylation with microcantileverscitations
- 2007Capacitive micromachined ultrasonic transducers for chemical detection in nitrogencitations
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article
Capacitive micromachined ultrasonic transducers for chemical detection in nitrogen
Abstract
<jats:p>The authors present the prototype of a chemical sensor using a capacitive micromachined ultrasonic transducer array. Each element in the array consists of a large number of resonating membranes connected in parallel. A five-channel oscillator circuit operates at the resonant frequency around 6MHz in this prototype. The surface of the elements in the array is coated by polymers such as polyallylamine hydrochloride, polyethylene glycol, and polyvinyl alcohol to detect different chemicals. By measuring shift in oscillation frequencies due to the mass-loading effect, analytes, e.g., water and isopropanol, with concentrations around 20ppbv (parts per 109 by volume) range can be detected.</jats:p>