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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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Kyratzis, Ilias
in Cooperation with on an Cooperation-Score of 37%
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Publications (8/8 displayed)
- 2023Electrical capability of 3D printed unpoled PVDF/TPU sensors combined with carbon black and barium titanatecitations
- 2017Large Scale Preparation and Characterisation of Electrospun Carbon particle-nanofibre Composites for Ammonia Adsorption
- 2015S/PPy composite cathodes for Li-S batteries prepared by facile in-situ 2-step electropolymerisation process
- 2013Fabrication and characterisation of polypropylene nanofibres by meltblowing process using different fluidscitations
- 2012Surface modified titanium zirconium oxide nanofiber web as a heavy metal ion adsorbent for water remediation applications
- 2012Development of a flexible, wearable and rechargeable battery
- 2012Development of a flexible, wearable and rechargeable battery
- 2011Aligned Carbon Nanotube Based Sensors and Biosensors Using CNT Webs and Electrospun CNT-Polymer Composites
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document
Aligned Carbon Nanotube Based Sensors and Biosensors Using CNT Webs and Electrospun CNT-Polymer Composites
Abstract
The aim of this work is to design and assess aligned CNT based sensors and biosensors using two different methodologies and to evaluate the performance of each for different purposes. The first approach relies on using CNT webs directly drawn form the edge of a drawable CNT forest onto a proper support. The second approach relies on using electrospun CNT–polymer composite as a template for the alignment of the CNT.In the first approach the prototype CNT web electrode was constructed using CPDP CNT drawn webs laid down onto alumina strips (3.38 x 1.0 x 0.635 mm) or glass slips (8.5 x 26 x 0.16 mm) with solvent densification for better adherence to the support.Sets of six matched samples were prepared simultaneously of defined width CNT web layers. Typically 15-30 CNT web layers of 8mm width were used for electrode construction. When glassy carbon electrode (GCE) was used as the supporting electrode, the CNT webs were transferred onto the GCE surface and then densified. The active electrode area was defined by using parafilm or other polymeric insulators.The second approach involved the fabrication of electrospun CNT-polymer modified electrodes. The electrodes were prepared using an electrospinning system consisting of a pump with a reservoir and spinneret, a high voltage power supply, and a collector electrode. The CNTs were first sonicated in a polymer blend of PVA and Nafion to produce a stable suspension, and then electrospun onto the GC collection electrode or the CNT-polymer web was electrospun separately and then transferred onto the GCE. The electrospun CNT-polymer electrodes were treated in methanol and/or glutaraldehyde to increase polymer stability.The CNT webs and the CNT-electrospun composite electrodes were characterised for degree of CNT alignment, electrical conductance, mechanical stability as well as chemically stability in different solvents and conditions. The CNT web electrodes were used for the detection of glucose and organophosphate pesticides after modification with enzymes.They showed promising results compared to conventional electrodes. The electrospun CNT-polymer electrodes were tested for extraction and detection of metals in water samples.