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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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Muñoz, Jose
Universitat Autònoma de Barcelona
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2023Heterolayered carbon allotrope architectonics via multi-material 3D printing for advanced electrochemical devicescitations
- 2021Green activation using reducing agents of carbon-based 3D printed electrodes: Turning good electrodes to greatcitations
- 2021Chiral 3D-Printed Bioelectrodescitations
- 20200D polymer nanocomposite carbon-paste electrodes using carbon nanohornscitations
- 2020Electronic Performance of Polymer Carbon‐Paste Nanoallotropes from 0D to 3D as Novel Gate Electrodes in Water‐Gated Organic Field‐Effect Transistorscitations
- 2018Chiral magnetic-nanobiofluids for rapid electrochemical screening of enantiomers at a magneto nanocomposite graphene-paste electrodecitations
- 2018Carbon nanotube-based nanocomposite sensor tuned with a catechol as novel electrochemical recognition platform of uranyl ion in aqueous samplescitations
- 2017Customized Bio-functionalization of Nanocomposite Carbon Paste Electrodes for Electrochemical Sensing: A Mini Reviewcitations
- 2017Trends in electrochemical impedance spectroscopy involving nanocomposite transducers: Characterization, architecture surface and bio-sensingcitations
- 2016Characterization protocol to improve the electroanalytical response of graphene-polymer nanocomposite sensorscitations
- 2016Amperometric thyroxine sensor using a nanocomposite based on graphene modified with gold nanoparticles carrying a thiolated β-cyclodextrincitations
- 2016Intermatrix Synthesis as a rapid, inexpensive and reproducible methodology for the in situ functionalization of nanostructured surfaces with quantum dotscitations
- 2016CdS quantum dots as a scattering nanomaterial of carbon nanotubes in polymeric nanocomposite sensors for microelectrode array behaviorcitations
- 2016Intermatrix synthesis of Ag, AgAu and Au nanoparticles by the galvanic replacement strategy for bactericidal and electrocatalytically active nanocompositescitations
- 2015Modified multiwalled carbon nanotube/epoxy amperometric nanocomposite sensors with CuO nanoparticles for electrocatalytic detection of free chlorinecitations
- 2015Effect of carbon nanotubes purification on electroanalytical response of near-percolation amperometric nanocomposite sensorscitations
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article
Carbon nanotube-based nanocomposite sensor tuned with a catechol as novel electrochemical recognition platform of uranyl ion in aqueous samples
Abstract
This article reports a novel electrochemical recognition platform based on a nanocomposite carbon paste electrode containing carbon nanotubes modified with gold nanoparticles carrying a thiolated catechol for the fast amperometric determination of uranyl ion (UO22+) in water. Recognition of UO22+ is accomplished by supramolecular chemistry due to the formation of an inclusion complex between catechol and UO22+. The amperometric device operates at –0.40 V vs. Ag/AgCl, where the reduction of UO22+ takes place on the electrode surface, covering a linear range from 0.49 to 170 μg L−1 UO22+ in a 0.1 M boric acid buffer solution at pH 5.3. The developed sensing system presents good response towards UO22+ in aqueous environmental samples, with good selectivity over other browsed cations and can be easily reset by simple polishing. This platform has demonstrated to be a potential alternative regarding to the common standard bench-top analytical techniques for the development of in-field devices for in-situ monitoring.