Laboratoire de réactivité de surface

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  • Article dans une revue

Design of Mixed PEO/PAA Brushes with Switchable Properties Toward Protein Adsorption

M.F. Delacroix, G.L. Huet, T. Conard, S. Demoustier-Champagne, Filip E. Du Prez, Jessem Landoulsi, C.C. Dupont-Gillain

Adsorption of proteins at interfaces is an ubiquitous phenomenon of prime importance. Layers of poly(ethylene oxide) (PEO) are widely used to repel proteins. Conversely, proteins were shown to adsorb deeply into brushes of poly(acrylic acid) (PAA), and their subsequent partial release could be…

Biomacromolecules, 2012, 14, pp.215-225. ⟨10.1021/bm301637h⟩. ⟨hal-00917091⟩

  • Article dans une revue

On the promotional effect of Pd on the propene-assisted decomposition of NO on chlorinated Ce0.68 Zr0.32 O2

Cyril Thomas, Olivier Gorce, Céline Fontaine, Jean-Marc Krafft, Françoise Villain, Gérald Djéga-Mariadassou

The selective catalytic reduction (SCR) of NOx assisted by propene is investigated on Pd/Ce0.68 Zr0.32 O2 catalysts (Pd/CZ), and is compared, under identical experimental conditions, with that found on a Pd/SiO2 reference catalyst. Physico-chemical characterisation of the studied catalysts along…

Applied Catalysis B: Environmental, 2006, 63, pp.201-214. ⟨hal-00181040⟩

  • Article dans une revue

Methane dry reforming over hydrotalcite-derived Ni–Mg–Al mixed oxides: the influence of Ni content on catalytic activity, selectivity and stability

Radosław Dębek, Monika Motak, Dorota Duraczyska, Franck Launay, Maria Elena Galvez, Teresa Grzybek, Patrick da Costa

Ni-containing hydrotalcite-derived catalysts were prepared using different Ni loadings (from ca. 4 to 60 wt%) at the same MII/MIII ratio equal to 3. The influence of the Ni content on the physico-chemical features of these catalysts was studied, as well as the influence of this parameter on their…

Catalysis Science & Technology, 2016, 6 (17), pp.6705 - 6715. ⟨10.1039/C6CY00906A⟩. ⟨hal-01547978⟩

  • Article dans une revue

Electrochemical and spectroscopic evidences of corrosion inhibition of bronze by a triazole derivative

Ahmed Dermaj, Najat Hajjaji, Suzanne Joiret, Kamal Rahmouni, Abdellah Srhiri, Hisasi Takenouti, Vincent Vivier

The electrochemical behavior of the bronze (Cu–8Sn in wt%) was investigated in 3% NaCl aqueous solution, in presence and in absence of a corrosion inhibitor, the 3-phenyl-1,2,4-triazole-5-thione (PTS). The inhibiting effect of the PTS was evidenced for concentrations higher than 1 mM for the…

Electrochimica Acta, 2007, 52 (14), pp.4654-4662. ⟨10.1016/j.electacta.2007.01.068⟩. ⟨hal-04152607⟩

  • Article dans une revue

Building of an immunosensor : how can the composition and structure of the thiol attachment layer affect the immunosensor efficiency ?

Elisabeth Briand, Michèle Salmain, Jean-Marie Herry, Hubert Perrot, Chantal Compere, Claire-Marie Pradier

Immunosensors, based on the immobilsation of model rabbit antibodies on a mixed self assembled monolyaers and Protein A as a linking agent on gold transducers, were elaborated and characterised at each step by Modulated polarisation- Infrared Spectroscopy (PM-IRRAS) and punctually by Atomic Force…

Biosensors & bioelectronics, 2006, 22 (3), pp.440-448. ⟨10.1016/j.bios.2006.05.018⟩. ⟨hal-00111673⟩

  • Thèse

Développement de biocathodes pour biopiles enzymatiques utilisant la laccase, Development of an enzymatic cathode biofuel cell using laccase

Mohamed Achraf Blout

Les biopiles enzymatiques constituent une alternative intéressante de production d'électricité renouvelable. On s'est intéressé dans ce travail au compartiment cathodique d'une biopile utilisant la laccase, une oxydase multi-cuivres, comme biocatalyseur pour la réduction de l'…, Enzymatic biofuel cells are an attractive alternative for renewable electricity generation. In this work, we are focusing on the cathodic compartment of a biofuel cell using laccase, a multi-copper oxidase, as biocatalysts for the oxygen reduction reaction (ORR) by direct electron transfer of…

Chimie théorique et/ou physique. Université Pierre et Marie Curie - Paris VI, 2017. Français. ⟨NNT : 2017PA066249⟩. ⟨tel-01695524⟩

  • Article dans une revue

Generation of pits on CoCrFeMnNi high entropy alloy: an electrochemical impedance study of a single event

Yaojun Hou, Oumaïma Gharbi, Kevin Ogle, Fan Sun, Mireille Turmine, Vincent Vivier

In this study, a single pit was successfully generated on the surface of a CoCrFeMnNi alloy using a home-made device consisting of an electrochemical work station coupled with a microflow-cell. The three-dimensional morphology of the single pit was observed by optical microscopy, revealing that the…

Electrochimica Acta, 2025, 526, pp.146193. ⟨10.1016/j.electacta.2025.146193⟩. ⟨hal-05041648⟩

  • Article dans une revue

Co, Fe and CoFe oxide nanoparticle assemblies within an ordered silica matrix: effects of the metal ions and synthesis pathway on the microstructure and magnetic properties

Laura Altenschmidt, Patricia Beaunier, Eric Rivière, Giulia Fornasieri, Amélie Bordage, Anne Bleuzen

The magnetic properties of nanoparticle assemblies strongly depend on the structural and morphological characteristics of the individual nanoparticles as well as on their organization within the assembly. Here, we present the synthesis of cobalt and/or iron oxide nanoparticles within the ordered…

The European Physical Journal. Special Topics, 2022, ⟨10.1140/epjs/s11734-022-00571-0⟩. ⟨hal-03723932⟩

  • Article dans une revue

Antibody-Gold Nanoparticle Bioconjugates for Biosensors: Synthesis, Characterization and Selected Applications

Lu Zhang, Yacine Mazouzi, Michèle Salmain, Bo Liedberg, Souhir Boujday

Antibody-Gold nanoparticle (Ab-AuNP) bioconjugates are widely used in the field of biosensing. This prompted researchers to set up various strategies to conjugate antibodies to gold nanoparticles. Optimal conjugation is of critical importance, as the Ab-AuNP bioconjugates should be stable while…

Biosensors and Bioelectronics, 2020, 165, pp.112370. ⟨10.1016/j.bios.2020.112370⟩. ⟨hal-02928749⟩

  • Article dans une revue

In-situ monitoring of transition metal complex adsorption on oxide surfaces during the first stages of supported metal catalyst preparation

Juliette Blanchard, Antoine Hervier, Guylène Costentin, John Regalbuto, Catherine Louis, Souhir Boujday

In the preparation of supported catalysts by deposition, in solution, of a transition metal complex (TMC) on an oxide support, the interactions occurring at the solid/liquid interface between the TMC and the oxide have a crucial impact on the properties of the final catalyst. However, these…

Catalysis Today, 2014, 235, pp.245-249. ⟨10.1016/j.cattod.2014.03.031⟩. ⟨hal-01077975⟩