Laboratoire de réactivité de surface

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  • Communication dans un congrès

Combined fungal and chemical pretreatment of lignocellulosic biomass for biogas production: Effect of pretreatment order and fungal strains

Shruthi Meenakshisundaram, Vincenzo Calcagno, Claire Ceballos, Antoine Fayeulle, Estelle Léonard, Virginie Herledan, Jean-Marc Krafft, Yannick Millot, Xiaojun Liu, Claude Jolivalt, André Pauss

The recalcitrance of lignocellulosic poses a challenge for conversion to biogas and therefore, pretreatment is an essential step in addressing this. Combining fungal pretreatment with a biomimetic system, a mild Fenton reaction, was studied to improve the methane production from straw. The…

18th IWA World Conference on Anaerobic Digestion, Istanbul Technical University, Jun 2024, Istanbul, Turkey. ⟨hal-04618500⟩

  • Article dans une revue

Characterization of as-synthesized MOx-MCM-41 (M=Mo, W) mesophases using Raman spectrometry and 29Si MAS NMR.

J.-V. Piquemal, E. Briot, G. Chottard, P. Tougne, J.-M. Manoli, J.-M. Brégeault

MCM-41 mesostructured silicas containing molybdenum and tungsten have been prepared in an acidic medium at room temperature. Two procedures were considered: the so-called oxo–peroxo route with low-nuclearity peroxo metal precursors (route A) and the oxo–polyoxo pathway, involving or generating…

Microporous and Mesoporous Materials, 2003, 58, pp.279-289. ⟨hal-00162152⟩

  • Article dans une revue

Maghemite nanoparticles and maghemite/silica nanocomposite microspheres as magnetic Fenton catalysts for the removal of water pollutants

Nassira Ferroudj, Jimmy Nzimoto, Anne Davidson, Delphine Talbot, Emmanuel Briot, Vincent Dupuis, Agnès Bée, Mohamed Salah Medjram, Sébastien Abramson

Maghemite nanoparticles (-Fe 2 O 3 NP) and maghemite/silica nanocomposite microspheres (-Fe 2 O 3 /SiO 2 MS) have been evaluated as magnetic heterogeneous Fenton catalysts. The catalysts were fully characterized by electronic microscopies, magnetometry, XRD, UV–vis–NIR spectroscopy, and sorption…

Applied Catalysis B: Environmental, 2013, 136-137, pp.9-18. ⟨10.1016/j.apcatb.2013.01.046⟩. ⟨hal-01525868⟩

  • Article dans une revue

Ga(Nb,Ta)SiBEA zeolites prepared by two-step postsynthesis method: acid–base characteristics and catalytic performance in the dehydrogenation of propane to propylene with CO2

S. Orlyk, M. Kantserova, V. Chedryk, P. Kyriienko, D. Balakin, Y. Millot, S. Dzwigaj

Ga(Ta,Nb)SiBEA zeolites with Ta(V), Nb(V) and Ga(III)-single sites were prepared by two-step post-synthesis preparation procedure as evidenced by X-ray Diffraction, Fourier Transform Infrared Spectroscopy (FT–IR), 71Ga Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy and X-ray…

Journal of Porous Materials, 2021, 28 (5), pp.1511-1522. ⟨10.1007/s10934-021-01099-9⟩. ⟨hal-03995330⟩

  • Article dans une revue

PdAg nanoparticles and aminopolymer confined within mesoporous hollow carbon spheres as an efficient catalyst for hydrogenation of CO 2 to formate

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

PdAg alloy nanoparticles and aminopolymer dispersed in hollow structured carbon catalysts exhibit high activity and stability for CO 2 hydrogenation.

Journal of Materials Chemistry A, 2020, 8 (8), pp.4437-4446. ⟨10.1039/c9ta13389e⟩. ⟨hal-03995337⟩

  • Article dans une revue

Site-specific grafting on titanium surfaces with hybrid temporin antibacterial peptides

Nicolas Masurier, Jean-Baptiste Tissot, Douae Boukhriss, Said Jebors, Coline Pinese, Pascal Verdié, Muriel Amblard, Ahmad Mehdi, Jean Martinez, Vincent Humblot, Gilles Subra

Relying on a membrane-disturbing mechanism of action and not on any intracellular target, antimicrobial peptides (AMP) are attractive compounds to be grafted on the surface of implantable materials such as silicone catheters or titanium surgical implants. AMP sequences often display numerous…

Journal of materials chemistry‎ B, 2018, 6 (12), pp.1782 - 1790. ⟨10.1039/c8tb00051d⟩. ⟨hal-01742222⟩

  • Article dans une revue

Triple structuration and enhanced corrosion performance of 316L in Laser-Powder Bed Fusion

Alexis Fouchereau, Hicham Maskrot, Fernando Lomello, Sophie Bosonnet, Oumaïma Gharbi, Benoit Gwinner, Pierre Laghoutaris, Frédéric Schuster, Vincent Vivier, Beatriz Puga

This work focuses on the influence of the feedstock powders on the microstructural properties and corrosion behavior of 316L stainless steel (SS) produced by laser powder bed fusion (L-PBF) from two different suppliers. Microstructural investigations conducted after additive manufacturing reveal…

Corrosion Science, 2024, 228, pp.111830. ⟨10.1016/j.corsci.2024.111830⟩. ⟨cea-04602059⟩

  • Article dans une revue

Electrospray ionization: an efficient approach to deposit polymetallic molecular switches onto gold surfaces

Amina Benchohra, Christophe Méthivier, Jessem Landoulsi, David Kreher, Rodrigue Lescouëzec

Electrospray ionization (EI) deposition is proven efficient in obtaining monolayers of a polymetallic charge transfer complex onto gold surfaces. The molecule's integrity is monitored by PM-IRRAS and XPS. This approach broadens the perspective of molecular magnetic switches' deposition,…

Chemical Communications, 2020, 56 (48), pp.6587-6589. ⟨10.1039/D0CC01906B⟩. ⟨hal-02879959⟩

  • Article dans une revue

Recent development of heterogeneous catalysis in ring-opening, biocatalysis, and selective partial oxidation reactions on metal oxides

Ioana Fechete, Jacques C. Védrine

In this review article, we analyze the state of the art and future developments in three important domains of heterogeneous catalysis, namely ring opening, biocatalysis, and partial oxidation on metal oxides. After recollecting the scientific bases of each domain, we consider several examples, some…

Comptes Rendus. Chimie, 2018, 21 (3-4), pp.408 - 418. ⟨10.1016/j.crci.2017.12.005⟩. ⟨hal-01761420⟩

  • Article dans une revue

Characterization of Supported Vanadium Oxide Species on Silica: A Periodic DFT Investigation

Mazharul M. Islam, Dominique Costa, Monica Calatayud, Frederik Tielens

The geometry, energetic, and spectroscopic properties of molecular structures of silica-supported vanadium oxide catalysts are studied using periodic density functional calculations. Isolated vanadia units deposed on amorphous silica are modeled at low coverage, 0.44 atoms nm(-2). The models are…

Journal of Physical Chemistry C, 2009, 113 (24), pp.10740-10746. ⟨10.1021/jp902818m⟩. ⟨hal-01361362⟩