Laboratoire de réactivité de surface

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Surface characterizations to investigate osteoarticular mesenchymal tissues : new insights to monitor the extracellular matrix remodeling at the supramolecular level, Caractérisations de surface pour étudier les tissus mésenchymateux ostéoarticulaires : nouvelles perspectives pour surveiller le remodelage de la matrice extracellulaire au niveau supramoléculaire

Ilhem Lilia Jaabar

A connective tissue is a cooperative set of differentiated cells entangled in an extracellular matrix (ECM). The latter, which is particularly abundant, is composed mainly of proteins, such as collagens, and a viscous gel made up of water and negatively charged polysaccharides: proteoglycans. All…, Un tissu conjonctif est un ensemble coopératif de cellules différenciées enchevêtrées dans une matrice extracellulaire (ECM). Cette dernière, particulièrement abondante, se compose principalement de protéines, telles que les collagènes, et d'un gel visqueux constitué d'eau et de…

Rhumatology and musculoskeletal system. Sorbonne Université, 2022. English. ⟨NNT : 2022SORUS145⟩. ⟨tel-04099571⟩

  • Article dans une revue

Potential of electrochemical techniques (macro and microelectrodes) in fronth flotation concentration of sulfide minerals, Potencialidade das técnicas eletroquímicas (macro e microeletrodos) na concentração por flotação de minerais sulfetados

Marina Martins Mennucci, Tatiana Mallet Machado, Vincent Vivier, Hercílio Gomes De Melo, Jean Vicente Ferrari

ABSTRACT The interactions between sulfide minerals and the chemistry of the exposure medium, from the grinding process to the flotation pulp, can be electrochemical and/or galvanic and influence the hydrophobicity of their surfaces, resulting in different levels of recovery. In the literature, most…, RESUMO As interações entre os minerais sulfetados e a química do meio de exposição, desde o processo de moagem dos minérios até a polpa de flotação, podem ser de caráter eletroquímico e/ou de natureza galvânica e influenciam a hidrofobicidade de suas superfícies, resultando em diferentes níveis de…

Revista Matéria, 2022, 27 (1), pp.e13151. ⟨10.1590/S1517-707620220001.1351⟩. ⟨hal-03720585⟩

  • Article dans une revue

Heterometallic and Hydrophobic Metal–Organic Frameworks as Durable Photocatalysts for Boosting Hydrogen Peroxide Production in a Two-Phase System

Xiaolang Chen, Yasutaka Kuwahara, Kohsuke Mori, Catherine Louis, Hiromi Yamashita

Reductive production of hydrogen peroxide (H2O2) from dioxygen (O2) coupled with the oxidative synthesis of value-added products using hydrophobic metal–organic frameworks (MOFs) is very important for energy production. Herein, a hydrophobic iron-doped zirconium-based MOF (OPA/Fe-Zr-MOF), in which…

ACS Applied Energy Materials, 2021, 4 (5), pp.4823-4830. ⟨10.1021/acsaem.1c00371⟩. ⟨hal-03995424⟩

  • Article dans une revue

Pd–Cu Alloy Nanoparticles Confined within Mesoporous Hollow Carbon Spheres for the Hydrogenation of CO 2 to Formate

Guoxiang Yang, Yasutaka Kuwahara, Kohsuke Mori, Catherine Louis, Hiromi Yamashita

It is intriguing yet challenging to synthesize high-performance heterogeneous catalysts for carbon dioxide (CO2) hydrogenation reactions. The excellent catalytic performance of heterogeneous catalysts has attracted widespread attention recently. Herein, a series of Pd–Cu alloy nanoparticles…

Journal of Physical Chemistry C, 2021, 125 (7), pp.3961-3971. ⟨10.1021/acs.jpcc.0c10962⟩. ⟨hal-03995570⟩

  • Article dans une revue

Properties, fabrication and applications of plasmonic semiconductor nanocrystals

Haibo Yin, Yasutaka Kuwahara, Kohsuke Mori, Catherine Louis, Hiromi Yamashita

We highlight three widely explored oxide-based plasmonic materials, including H x MoO 3−y , H x WO 3−y , and Mo x W 1−x O 3−y , and their applications in catalysis.

Catalysis Science & Technology, 2020, 10 (13), pp.4141-4163. ⟨10.1039/c9cy02511a⟩. ⟨hal-03995338⟩

  • Article dans une revue

Detection of hydrogen peroxide using dioxazaborocanes: elucidation of the sensing mechanism at the molecular level by NMR and XPS measurements

Thomas Caron, Pascal Palmas, Céline Frénois, Christophe Méthivier, Eric Pasquinet, Claire-Marie Pradier, Françoise Serein-Spirau, Lionel Hairault, Pierre Montméat

A fluorescent dioxazaborocane was synthesised and characterized, in order to study its turn-off sensing process for hydrogen peroxide detection. The exposure of the dioxazaborocane to diluted vapours of H2O2 led to a strong non reversible quenching of the fluorescence. Both NMR and XPS analyses…

New Journal of Chemistry, 2020, 44 (10), pp.4114-4121. ⟨10.1039/d0nj00038h⟩. ⟨hal-02538454⟩

  • Article dans une revue

Influence of the nature and environment of manganese in Mn-BEA zeolites on NO conversion in selective catalytic reduction with ammonia

Rafal Baran, L. Valentin, J.-M. Krafft, T. Grzybek, P. Glatzel, Stanislaw Dzwigaj

Manganese-containing BEA zeolites, MnxSiBEA (x = 1–4 wt %) and Mn(I.E.)AlBEA, were prepared by a two-step postsynthesis method and a conventional wet ion-exchange, respectively, and applied as catalysts in the selective catalytic reduction of NO with ammonia (NH3-SCR). The physicochemical analysis…

Physical Chemistry Chemical Physics, 2017, 176 (1), pp.229-233. ⟨10.1039/C7CP02096A⟩. ⟨hal-01527245⟩

  • Article dans une revue

Redox-Triggered Control of Cell Adhesion and Deadhesion on Poly(lysine)- g -poly(ethylene oxide) Adlayers

Louise Hespel, Julien Dupré de Baubigny, Pierre Lalanne, Simon de Beco, Mathieu Coppey, Catherine Villard, Vincent Humblot, Emmanuelle Marie, Christophe Tribet

Spontaneous adsorption of poly(lysine)-g-poly(ethyleneglycol) comb-like copolymers (PLL-g-PEG) is a versatile mean to coat substrates with polymer layers that resist cell adhesion. We prepared redox cleavable PLL-g-PEG to switch adhesion on demand. Redox sensitivity was obtained by introducing…

ACS Applied Bio Materials, 2019, 2 (10), pp.4367-4376. ⟨10.1021/acsabm.9b00601⟩. ⟨hal-02301433⟩

  • Article dans une revue

Mn-analcime: Synthesis, characterization and application to cyclohexene oxidation

Amal Bejar, Semy Ben Chaabene, Maguy Jaber, Jean-François Lambert, Latifa Bergaoui

The hydrothermal synthesis of Mn-analcime was performed by mixing manganese(II) carbonate, silicic acid and aluminum nitrate in a basic medium in the 120–175 °C temperature range for 6–72 h. Different Mn/Al ratios were used. The obtained samples were characterized by powder XRD, N2 physical…

Microporous and Mesoporous Materials, 2014, 196, pp.158-164. ⟨10.1016/j.micromeso.2014.05.004⟩. ⟨hal-01121654⟩

  • Article dans une revue

Polyoxometalate nanostructured gold surfaces for sensitive biosensing of benzo[a]pyrene

Dimitri Mercier, Maroua Ben Haddada, Maria Huebner, Dietmar Knopp, Reinhard Niessner, Michèle Salmain, Anna Proust, Souhir Boujday

We report the design of a polyoxometalate-nanostructured immunosensor for benzo[a]pyrene (B[a]P) detection. The organic–inorganic hybrid polyoxometalate (POM) (NBu4)3[PW11O39{(SiC6H4NH2)2O}] carrying two amine functions was covalently attached to a functionalized gold substrate to achieve a…

Sensors and Actuators B: Chemical, 2015, 209, pp.770-774. ⟨10.1016/j.snb.2014.12.015⟩. ⟨hal-01133052⟩