Laboratoire de réactivité de surface

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  • Thèse

Use of unconventional activation methods for the oxidative cleavage of lignin by dioxygen, Utilisation de moyens d’activation non-conventionnels pour le clivage oxydant de la lignine par le dioxygène

Louay Al-Hussaini

Due to the depletion of fossil resources, the interest of lignin as a sustainable alternative to petroleum is growing. Thus, the main purpose of this thesis was to develop a process for oxidative cleavage of lignin by dioxygen that involves unconventional methodologies like sonochemistry and ball-…, Du fait de l'épuisement des ressources fossiles, l'intérêt de la lignine en tant qu'alternative durable est grandissant. Ainsi, le but principal de cette thèse était de mettre au point un procédé de clivage oxydant de la lignine par le dioxygène qui implique des voies non…

Other. Sorbonne Université, 2019. English. ⟨NNT : 2019SORUS448⟩. ⟨tel-03463302⟩

  • Thèse

Comportement en corrosion d'un acier austénitique enrichi en silicium en milieu acide nitrique sous flux thermique, Corrosion behavior of a silicon-rich stainless steel in nitric acid media under heat transfer

Inès Bahtit

Ce travail de thèse traite du comportement en corrosion de l’acier austénitique enrichi en Si (acier 1.4361) dans un milieu 2,5 mol L-1 HNO3 + 2,5 mol L-1 NaNO3 en fonction de la température et s’inscrit dans un cadre d’étude sur le vieillissement des matériaux constitutifs des installations de l’…, This thesis deals with the corrosion behavior of Si-enriched austenitic steel (stainless steel 1.4361) in a 2.5 mol L-1 HNO3 + 2.5 mol L-1 NaNO3 medium as a function of temperature and contributes to studies on the aging of materials used in the La Hague plant. The temperature range studied extends…

Chimie analytique. Sorbonne Université, 2023. Français. ⟨NNT : 2023SORUS057⟩. ⟨tel-04081948⟩

  • Article dans une revue

Electrical surface properties of nanoporous alumina membranes: influence of nanochannels’ curvature, roughness and composition studied via electrokinetic experiments

Ali Vakilinejad, Emmanuelle Dubois, Laurent Michot, Marie Jardat, Didier Lairez, Serge Durand-Vidal, Clément Guibert, Nicolas Jouault

Among classical nanoporous oxide membranes, anodic aluminum oxide (AAO) membranes, made of non-connected, parallel and ordered nanochannels, are very interesting nanoporous model systems widely used for multiple applications. Since most of these applications involve local phenomena at the…

Physical Chemistry Chemical Physics, 2023, 25 (41), pp.28150-28161. ⟨10.1039/D3CP04067D⟩. ⟨hal-04294808⟩

  • Article dans une revue

Efficient transformation of cyclohexanone to ε-caprolactone in the oxygen-aldehyde system over single-site titanium BEA zeolite

Katarzyna Pamin, Jacek Gurgul, Grzegorz Mordarski, Yannick Millot, Jean-Philippe Nogier, Laetitia Valentin, Stanislaw Dzwigaj

TixSiBEA zeolites prepared by a two-step post-synthesis method are applied in the liquid-phase Baeyer-Villiger oxidation of cyclohexanone to ε-caprolactone in the oxygen-aldehyde system. Such method of ε-caprolactone synthesis offers the application of milder reaction conditions with the catalytic…

Microporous and Mesoporous Materials, 2021, 322, pp.111159. ⟨10.1016/j.micromeso.2021.111159⟩. ⟨hal-03993571⟩

  • Article dans une revue

Self-Assembly of (S)-Glutamic Acid on Ag(100): A Combined LT-STM and Ab Initio Investigation

M. Smerieri, L. Vattuone, Dominique Costa, Frederik Tielens, L. Savio

Self-assembly of org. mols. at metal surfaces is of greatest importance in nanoscience; in fact, it opens new perspectives in the field of mol. electronics and in the study of biocompatible materials. Combining an exptl. low-temp. scanning tunneling microscopy investigation with ab initio calcns.,…

Langmuir, 2010, 26 (10), pp.7208-7215. ⟨10.1021/la904331d⟩. ⟨hal-00604800⟩

  • Article dans une revue

Surface functionalization by covalent immobilization of an innovative carvacrol derivative to avoid fungal biofilm formation

Aïcha Gharbi, Thibaut Legigan, Vincent Humblot, Sébastien Papot, Jean-Marc Berjeaud

Carvacrol, an aromatic terpenic compound, known to be antimicrobial was grafted onto gold surfaces via two strategies based on newly-synthesized cross-linkers involving either an ester bond which can be cleaved by microbial esterases, or a covalent ether link. Surface functionalizations were…

AMB Express, 2015, 5 (1), pp.9. ⟨10.1186/s13568-014-0091-2⟩. ⟨hal-01143973⟩

  • Article dans une revue

Light-induced infrared difference spectroscopy on three different forms of orange carotenoid protein: focus on carotenoid vibrations

Silvia Leccese, Adjélé Wilson, Diana Kirilovsky, Riccardo Spezia, Claude Jolivalt, Alberto Mezzetti

Orange carotenoid protein (OCP) is a photoactive carotenoprotein involved in photoprotection of cyanobacteria, which uses a keto-catorenoid as a chromophore. When it absorbs blue-green light, it converts from an inactive OCPO orange form to an activated OCPR red form, the latter being able to bind…

Photochemical & Photobiological Sciences , 2023, 22 (6), pp.1379-1391. ⟨10.1007/s43630-023-00384-7⟩. ⟨hal-04225642⟩

  • Article dans une revue

Polypyrrole nanostructures modified with mono- and bimetallic nanoparticles for photocatalytic H2 generation

Xiaojiao Yuan, Diana Dragoe, Patricia Beaunier, Daniel Bahena Uribe, Laurence Ramos, Maria Guadalupe Méndez-Medrano, Hynd Remita

Conjugated polymer polypyrrole nanostructures modified with bimetallic (Pt–Ni) nanoparticles are very active for hydrogen generation and a synergetic effect is obtained by alloying Pt with Ni.

Journal of Materials Chemistry A, 2020, 8 (1), pp.268-277. ⟨10.1039/C9TA11088G⟩. ⟨hal-03437340⟩

  • Article dans une revue

Covalent Grafting of Organic–Inorganic Polyoxometalates Hybrids onto Mesoporous SBA-15: A Key Step for New Anchored Homogeneous Catalysts

Richard Villanneau, Asma Marzouk, Yan Wang, Aicha Ben Djamaa, Guillaume Laugel, Anna Proust, Franck Launay

Covalent grafting of the polyoxometalate (POM) hybrid [AsW9O33{P(O)(CH2CH2CO2H)}2]5- on mesoporous NH2-functionalized SBA-15 is the first example of anchored vacant POMs in which nucleophilic oxygen atoms are still available after incorporation into the supports. Such systems are interesting…

Inorganic Chemistry, 2013, 52 (6), pp.2958 - 2965. ⟨10.1021/ic302374v⟩. ⟨hal-01563887⟩

  • Article dans une revue

Amphiphilic Polyoxometalates for the Controlled Synthesis of Hybrid Polystyrene Particles with Surface Reactivity

Jennifer Lesage de la haye, Jean-Michel Guigner, Eric Marceau, Laurent Ruhlmann, Bernold Hasenknopf, Emmanuel Lacôte, Jutta Rieger

Amphiphilic organo-polyoxometalates (POMs) used in the radical emulsion polymerization of styrene allowed the preparation in aqueous medium of stable 50-100 nm polystyrene-POM composite latexes. Thanks to the presence of a trithiocarbonate group in the POM amphiphile, POMs could be covalently…

Chemistry - A European Journal, 2015, 21 (7), pp.2948-53. ⟨10.1002/chem.201405708⟩. ⟨hal-01120607⟩