| People | Locations | Statistics |
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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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Nowaczyk, Grzegorz
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (20/20 displayed)
- 2021Insight into photocatalytic degradation of ciprofloxacin over CeO2/ZnO nanocomposites: Unravelling the synergy between the metal oxides and analysis of reaction pathwayscitations
- 2018Silver and ultrasmall iron oxides nanoparticles in hydrocolloids: Effect of magnetic field and temperature on self-organizationcitations
- 2018GQDs-MSNs nanocomposite nanoparticles for simultaneous intracellular drug delivery and fluorescent imagingcitations
- 2018Optical properties of ZnO deposited by atomic layer deposition (ALD) on Si nanowirescitations
- 2018Optical properties of ZnO deposited by atomic layer deposition (ALD) on Si nanowirescitations
- 2017Self-organizing silver and ultrasmall iron oxide nanoparticles prepared with ginger rhizome extract: Characterization, biomedical potential and microstructure analysis of hydrocolloidscitations
- 2017Functionalized multimodal ZnO@Gd <inf>2</inf> O <inf>3</inf> nanosystems to use as perspective contrast agent for MRIcitations
- 2016Combined reactive/non-reactive DC magnetron sputtering of high temperature composite AlN-TiB <inf>2</inf> -TiSi <inf>2</inf>citations
- 2016Synthesis and study of bifunctional core-shell nanostructures based on ZnO@Gd<inf>2</inf>O<inf>3</inf>citations
- 2016Enhancement of Electronic and Optical Properties of ZnO/Al2O3 Nanolaminate Coated Electrospun Nanofiberscitations
- 2016Gradient nanostructured coatings obtained by magnetron sputtering of a multiphase AlN–TiB<inf>2</inf>–TiSi<inf>2</inf> targetcitations
- 2016High temperature behavior of functional TiAlBSiN nanocomposite coatingscitations
- 2015Tuning the photodynamic efficiency of TiO<inf>2</inf> nanotubes against HeLa cancer cells by Fe-dopingcitations
- 2015Characterization of poly(ethylene 2,6-naphthalate)/polycarbonate blends by DSC, NMR off-resonance and DMTA methodscitations
- 2015Tailoring the structural, optical, and photoluminescence properties of porous silicon/TiO<inf>2</inf> nanostructurescitations
- 2015Structural and XPS studies of PSi/TiO2 nanocomposites prepared by ALD and Ag-assisted chemical etchingcitations
- 2015Synthesis and characterization of magnetite/silver/antibiotic nanocomposites for targeted antimicrobial therapycitations
- 2015Atomic layer deposition TiO2 coated porous silicon surface: Structural characterization and morphological featurescitations
- 2015Study on Structural, Mechanical, and Optical Properties of Al<inf>2</inf>O<inf>3</inf>-TiO<inf>2</inf> Nanolaminates Prepared by Atomic Layer Depositioncitations
- 2010Molecular dynamics in grafted polydimethylsiloxanescitations
Places of action
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article
Insight into photocatalytic degradation of ciprofloxacin over CeO2/ZnO nanocomposites: Unravelling the synergy between the metal oxides and analysis of reaction pathways
Abstract
The aim of this study was to provide deep insight into photocatalytic degradation of ciprofloxacin (CIP) over CeO2/ZnO nanocomposites. Catalysts used in this work were synthesized by a simple co-precipitation method and fully characterized by means of XRD, nitrogen physisorption, TEM, UV–vis, PL and XPS. Degradation of CIP was tracked by UV–vis and LC-MS techniques and the mineralization efficiency was determined by TOC analyses. It was documented that CeO2/ZnO nanocomposites were ca. twice more active than undoped ZnO and ca. 10 times more active than pristine CeO2. The improved activity of the nanocomposites resulted from the formation of a Z-scheme heterojunction in which photo-excited electrons from the conduction band of ZnO migrate to the valence band of CeO2. Photocatalytic degradation of CIP over the nanocomposites was found to be a surface reaction in which CIP molecules adsorbed onto ZnO are directly oxidized by photogenerated holes (h+). Degradation of the antibiotic proceeded through two parallel pathways: i) pathway I (dominant) in which piperazine moiety of CIP molecules was selectively oxidized by h+, and ii) pathway II in which both fluoroquinolone and piperazine moieties of the antibiotic were degraded. The latter pathway required participation of both h+ and hydroxyl radicals (HO•).