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nPEG-TiO2 Nanoparticles: A facile Route to Elaborate Nanostructured surfaces for Biological Applications.

Jolanda Spadavecchia, Souhir Boujday, Jessem Landoulsi, Claire-Marie Pradier

We report the synthesis of diacid-terminated PEG cubic TiO2 nanocrystals by a simple one-step solvothermal method, and their further use to form nanostructured surfaces for protein immobilization. The relevance and major interest of the so-obtained nanocrystals are the presence of terminal…

ACS Applied Materials & Interfaces, 2011, 3, pp.2637-2642. ⟨10.1021/am200442r⟩. ⟨hal-00670284⟩

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Novel non-noble bimetallic Cu-Zn/TiO 2 catalysts for selective hydrogenation of butadiene

Zhao Wang, Guillaume Wang, Catherine Louis, Laurent Delannoy

Oxide-supported copper catalysts are active for the selective hydrogenation of polyunsaturated hydrocarbons with high selectivity to alkenes formation, but a low catalytic stability limits its application. The goal of the work was to investigate whether alloying Cu with Zn will improve catalyst…

Journal of Catalysis, 2017, 347, pp.185 - 196. ⟨10.1016/j.jcat.2017.01.010⟩. ⟨hal-01547237⟩

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Lipid Layers on Nanoscale Surface Topography: Stability and Effect on Protein Adsorption

Irma Liascukiene, Karim El Kirat, Mathieu Beauvais, Svajus J. Asadauskas, Jean-François Lambert, Jessem Landoulsi

Langmuir, 2017, 33 (18), pp.4414 - 4425. ⟨10.1021/acs.langmuir.7b00431⟩. ⟨hal-01547336⟩

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Photocatalytic Easy Recovery of Orthophosphates Contaminants in Water Using Amberlite‐732 Cationic‐Resin Exchanged by Ce 3+ and Ce 3+ ‐Au 3+ Species

Phds. Nawel Rahmoune, Siham Barama, Anne Davidson, David Montero, Mohamed Selmane, Antoine Miche, Fouad Benaliouche, Akila Barama

This report discusses the efficiency of photo-recovery of orthophosphate anions in water under visible irradiation using materials containing amorphous carbon, ceria and gold-ceria species. Catalysts were obtained by the exchange of Amberlite-732 polymeric-resin with isolated Ce(III) and co-mixing…

ChemistrySelect, 2022, 7 (13), ⟨10.1002/slct.202104577⟩. ⟨hal-04030648⟩

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Amino Acid-Mediated Formation of Zirconia Nanoparticles and their Transparent Dispersions

Amandine Venier, Charlène Brissaud, Benoît Cormary, Erik Camposilvan, Julien Alberici, Denis Chateau, Nora Pousin, Alexandre Chevillot-Biraud, Yannick Millot, Miguel Comesaña-Hermo

We present a straightforward one‐pot hydrothermal method for the synthesis of zirconia nanodispersions, leading to the formation of stable sols. By simply varying the nature of the stabilizer used, one can obtain a large variety of objects with different sizes, shapes and crystallinities. Our…

ChemNanoMat, In press, ⟨10.1002/cnma.202400062⟩. ⟨hal-04508689⟩

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Hydrogen and syngas production by methane dry reforming on SBA-15 supported nickel catalysts: On the effect of promotion by Ce0.75Zr0.25O2 mixed oxide

Abdulkader Albarazi, Patricia Beaunier, Patrick da Costa

In this work, the effects of doping Ni-based SBA-15 catalysts with Ceria-Zirconia mixed oxide (CZ) on the activity and stability of these catalysts during syngas production by methane dry reforming (MDR) were investigated and compared with the activity and stability of unmodified Ni/SBA-15. The…

International Journal of Hydrogen Energy, 2013, 38, pp.127-139. ⟨10.1016/j.ijhydene.2012.10.063⟩. ⟨hal-00913348⟩

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Selected Papers from the 2nd Edition of Global Conference on Catalysis, Chemical Engineering and Technology (CAT 2018)

Stanislaw Dzwigaj, Christophe Len

The present Special Issue concerns the papers which have been presented at the second edition of the Global Conference on Catalysis, Chemical Engineering & Technology (CAT 2018) that promote linkage of the catalytic science, engineering and technology [...]

Catalysts, 2020, 10 (6), pp.652. ⟨10.3390/catal10060652⟩. ⟨hal-04031167⟩

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Chemical Weathering of Alumina in Aqueous Suspension at Ambient Pressure: A Mechanistic Study

Jane Abi aad, Sandra Casale, Mathieu Michau, Philippe Courty, Fabrice Diehl, Eric Marceau, Xavier Carrier

ChemCatChem, 2017, 9 (12), pp.2186 - 2194. ⟨10.1002/cctc.201700145⟩. ⟨hal-01791168⟩

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Homogeneous and Heterogeneous Catalysis for the Synthesis of Cyclic and Polymeric Carbonates from CO2 and Epoxides: A Mechanistic Overview

Guillaume Laugel, Catarina Rocha Carvalho, Pascale Massiani, Thomas Onfroy, Franck Launay

The utilization of CO2 for the production of useful chemicals is nowadays considered as a promising way to contribute to the reduction of greenhouse gases in the atmosphere, while valorizing at the same time this widely available resource. The synthesis of cyclic carbonates and polycarbonates via…

Advanced Chemistry Letters, 2013, 1, pp.195-214. ⟨10.1166/acl.2013.1036⟩. ⟨hal-00983652⟩

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A new method for elaborating mesoporous SiO 2 /montmorillonite composite materials

Khalil Tesnime Abou, Chaabene Semy Ben, Boujday Souhir, Blanchard Juliette, Bergaoui Latifa

We report the sol–gel preparation of SiO 2 / montmorillonite composite materials and the investigation of the effect of the amount of clay and the TEOS concentration on the textural and structural properties of the composites. Pre-swelling of the clay with cetyltrimethyl ammonium results in solids…

Journal of Sol-Gel Science and Technology, 2015, ⟨10.1007/s10971-015-3716-2⟩. ⟨hal-01226875⟩