Laboratoire de réactivité de surface

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  • Article dans une revue

Calcium phosphate mineralization through homogenous enzymatic catalysis: Investigation of the early stages

E. Colaço, D. Brouri, C. Méthivier, L. Valentin, F. Oudet, K. El Kirat, C. Guibert, J. Landoulsi

Hypothesis : The crystallization of calcium phosphate (CaP) is a ubiquitous process that occurs in several mineralized tissues and involves a variety of biochemical and chemical reactions. This issue has been hitherto continuously studied from supersaturated solutions (chemical procedure), i.e. by…

Journal of Colloid and Interface Science, 2020, 565, pp.43 - 54. ⟨10.1016/j.jcis.2019.12.097⟩. ⟨hal-03489538⟩

  • Article dans une revue

High pressures pathway toward boron-based nanostructured solids

Remi Grosjean, Yann Le Godec, Simon Delacroix, Guillaume Gouget, Patricia Beaunier, Ovidiu Ersen, Dris Ihiawakrim, Oleksandr O Kurakevych, Corinne Chanéac, David Portehault

Inorganic nanocomposites made of an inorganic matrix containing nanoparticle inclusions provide materials of advanced mechanical, magnetic, electrical properties and multifunctionality. The range of compounds that can be implemented in nanocomposites is still narrow and new preparation methods are…

Dalton Transactions, 2018, 47 (23), pp.7634-7639. ⟨10.1039/C8DT00932E⟩. ⟨hal-01883827⟩

  • Article dans une revue

Nanoporous Materials as New Engineered Catalysts for the Synthesis of Green Fuels

Ioana Fechete, Jacques Vedrine

This review summarizes the importance of nanoporous materials and their fascinating structural properties with respect to the catalytic and photocatalytic reduction of CO2 to methane, toward achieving a sustainable energy supply. The importance of catalysis as a bridge step for advanced energy…

Molecules, 2015, 20 (4), pp.5638-5666. ⟨10.3390/molecules20045638⟩. ⟨hal-01226491⟩

  • Article dans une revue

Biomass-mediated ZSM-5 zeolite synthesis: when self-assembly allows to cross the Si / Al lower limit

Marcelo Maciel Pereira, Elisa Gomes, Alessandra Vieira Silva, Ana Belen Pinar, Marc-Georg Willinger, Sangaraju Shanmugam, Céline Chizallet, Guillaume Laugel, Pit Losch, Benoit Louis

A family of Al-rich ZSM-5 zeolites with Si / Al = 8 ± 0.5 was prepared according to a biomass-mediated supramolecular approach. A combination of advanced characterisation techniques and periodic density functional theory (DFT) calculations unraveled the purity and stability of unexpected Al-…

Chemical Science, 2018, 9 (31), pp.6532 - 6539. ⟨10.1039/C8SC01675E⟩. ⟨hal-01882119v2⟩

  • Thèse

Silk bionanocomposites : design, characterization and potential applications, Bionanocomposites à base de soie : élaboration, caractérisation et applications potentielles

Cristina Belda Marín

Silk-based bionancompoistes have attracted a growing interest in numerous applications, particularly in the biomedical field, owing to their ability to combine the specific properties of silk fibroin (biodegradability, biocompatibility and interesting mechanical properties) and nanoparticles (NPs…, Les « bionanocomposites » à base de soie sont des matériaux qui suscitent un intérêt croissant dans de nombreuses applications, et en particulier dans le domaine biomédical, de par leur capacité à combiner les propriétés de la fibroïne (biodégradabilité, biocompatibilité et propriétés mécaniques…

Biomaterials. Université de Technologie de Compiègne, 2020. English. ⟨NNT : 2020COMP2570⟩. ⟨tel-03292347⟩

  • Article dans une revue

Co–Ru Nanoalloy Catalysts for the Acceptorless Dehydrogenation of Alcohols

Brandon Azeredo, Tayssir Ben Ghzaiel, Ning Huang, Kamila Kaźmierczak, Wenjie Shen, Guillaume Wang, Delphine Schaming, Patricia Beaunier, Philippe Decorse, Noémie Perret, Jennifer Peron, Marion Giraud, Carine Michel, Lorette Sicard, Jean-Yves Piquemal

The synthesis of Co–Ru bimetallic nanoparticles was performed by co-reduction of Co(II) and Ru(III) salts in octan-1-ol, acting both as a solvent and a mild reducing agent. The metal composition was varied in the entire range, from pure Co to pure Ru. Although Co and Ru are miscible in the bulk,…

ACS Applied Nano Materials, 2022, 5 (4), pp.5733-5744. ⟨10.1021/acsanm.2c00764⟩. ⟨hal-03821692⟩

  • Article dans une revue

Cyto- and bio-compatibility assessment of plasma-treated polyvinylidene fluoride scaffolds for cardiac tissue engineering

Maria Kitsara, Gaëlle Revet, Jean-Sébastien Vartanian-Grimaldi, Alexandre Simon, Mathilde Minguy, Antoine Miche, Vincent Humblot, Thierry Dufour, Onnik Agbulut

As part of applications dealing with cardiovascular tissue engineering, drop-cast polyvinylidene fluoride (PVDF) scaffolds have been treated by cold plasma to enhance their adherence to cardiac cells. The scaffolds were treated in a dielectric barrier device where cold plasma was generated in a…

Frontiers in Bioengineering and Biotechnology, 2022, 10, pp.1008436. ⟨10.3389/fbioe.2022.1008436⟩. ⟨hal-03889499v2⟩

  • Article dans une revue

Zn-Cu Alloy Nanofoams as Efficient Catalysts for the Reduction of CO 2 to Syngas Mixtures with a Potential-Independent H 2 /CO Ratio

Sarah Lamaison, David Wakerley, David Montero, Gwenaëlle Rousse, Dario Taverna, Domitille Giaume, Dimitri Mercier, Juliette Blanchard, Huan Ngoc Tran, Marc Fontecave, Marc Mougel

Alloying strategies are commonly used to design electrocatalysts that take on properties of their constituent elements. Herein, we explore the use of such a strategy to develop Zn-Cu alloyed electrodes with unique hierarchical porosity and tunable selectivity for CO2 vs. H + reduction. By varying…

ChemSusChem, 2019, 12 (2), pp.511-517. ⟨10.1002/cssc.201802287⟩. ⟨hal-02182388⟩

  • Article dans une revue

Cobalt Based Catalysts Supported on Two Kinds of Beta Zeolite for Application in Fischer-Tropsch Synthesis

Renata Sadek, Karolina Chalupka, Pawel Mierczynski, Jacek Rynkowski, Jacek Gurgul, Stanislaw Dzwigaj

Co-containing Beta zeolite catalysts prepared by a wet impregnation and two-step postsynthesis method were investigated. The activity of the catalysts was examined in Fischer-Tropsch synthesis (FTS), performed at 30 atm and 260 °C. The physicochemical properties of all systems were investigated by…

Catalysts, 2019, 9 (6), pp.497. ⟨10.3390/catal9060497⟩. ⟨hal-02271879⟩

  • Article dans une revue

Nanostructured and spiky gold in biomolecule detection: improving binding efficiencies and enhancing optical signals

E. E. Bedford, S. Boujday, C.-M. Pradier, F. X. Gu

Nanostructured gold can improve the ability to detect biomolecules. Whether planar nanostructured surfaces or nanostructured particles are used, similar principles governing the enhancement apply. The two main benefits of nanostructured gold are improved geometry and enhancement of optical…

RSC Advances, 2015, 5 (21), pp.16461-16475. ⟨10.1039/c4ra13544j⟩. ⟨hal-01133167⟩