• Article dans une revue

Ex-nitrate Co/SBA-15 catalysts prepared with calibrated silica grains: Information given by TPR, TEM, SAXS and WAXS

F. Boubekr, A. Davidson, S. Casale, P. Massiani

The aim of the present work was to check for the presence of an ordered array of Co-based nanoparticles in catalysts prepared by impregnation and by using the two-solvents technique with pentane and cyclohexane on a single SBA-15 batch (prepared by precipitation in strongly acidic conditions (HCl 2…

Microporous and Mesoporous Materials, 2011, 141 (1-3), pp.157-166. ⟨10.1016/j.micromeso.2010.10.038⟩. ⟨hal-00602696⟩

• Article dans une revue

Elaboration of antibiofilm materials by chemical grafting of an antimicrobial peptide

Jean-Fabrice Yala, Pascal Thebault, Arnaud Hequet, Vincent Humblot, Claire-Marie Pradier, Jean-Marc Berjeaud

A peptide antibiotic, gramicidin A, was covalently bound to cystamine self-assembled monolayers on gold surfaces. Each step of the surface functionalization was characterized by polarization modulation infrared reflection absorption spectroscopy and X-ray photoelectron spectroscopy. The…

Applied Microbiology and Biotechnology, 2011, 89 (3), pp.623-634. ⟨10.1007/s00253-010-2930-7⟩. ⟨hal-00602954⟩

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Electrosynthesis of pyrrole 3-carboxylic acid copolymer films and nanotubes with tunable degree of functionalization for biomedical applications

Cecile J. Roy, Lucas Leprince, Arnaud de Boulard, Jessem Landoulsi, Vincent Callegari, Alain M. Jonas, Sophie Demoustier-Champagne

Tailoring polypyrrole (PPy), an electroactive polymer, with functional groups to which a variety of bioactive molecules can be tethered is highly attractive for building biological structures on conducting surfaces for a range of biomedical applications. In this respect, we investigate the effects…

Electrochimica Acta, 2011, 56 (10), pp.3641-3648. ⟨10.1016/j.electacta.2010.10.076⟩. ⟨hal-00602950⟩

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Novel vanadium-containing mesocellular foams (V-MCF) obtained by direct synthesis

Marco Piumetti, Barbara Bonelli, Pascale Massiani, Yannick Millot, Stanislaw Dzwigaj, Lucia Gaberova, Marco Armandi, Edoardo Garrone

This work reports the preparation and characterization of novel V-containing mesocellular foams (MCF) obtained by direct synthesis: their physico-chemical properties were investigated by means of complementary techniques and comparison was made with V-containing MCF prepared by (traditional)…

Microporous and Mesoporous Materials, 2011, 142 (1), pp.45-54. ⟨10.1016/j.micromeso.2010.11.010⟩. ⟨hal-00602948⟩

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A versatile approach for the immobilization of amines via copper-free "click" reaction between azido self-assembled monolayer and alkynyl Fischer carbene complex. Application to the detection of staphylococcal enterotoxin A antibody

Pratima Srivastava, Amithaba Sarkar, Sudeshna Sawoo, Amarnath Chakraborty, Piyali Dutta, Othman Bouloussa, Christophe Methivier, Claire-Marie Pradier, Souhir Boujday, Michele Salmain

A copper-free "click" reaction between an azido-terminated self-assembled monolayer (SAM) chemisorbed on planar gold-coated glass sensors and an alkynyl Fischer carbene complex yielded functionalized surfaces onto which facile and swift grafting of amine-containing molecules was achieved…

Journal of Organometallic Chemistry, 2011, 696 (5), pp.1102-1107. ⟨10.1016/j.jorganchem.2010.11.020⟩. ⟨hal-00602951⟩

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Aerosol-assisted self-assembly of hybrid Layered Double Hydroxide particles into spherical architectures

Vanessa Prevot, Claire Szczepaniak, Maguy Jaber

Acetate intercalated NiAl-Layered Double Hydroxide nanoparticles were prepd. by polyol process and further used as building blocks to form hybrid LDH spheres by a spray drying technique. The spherical aggregated LDH particles display a polydispersed size with a diam. ranging from 47 nm to 2 μm.…

Journal of Colloid and Interface Science, 2011, 356 (2), pp.566-572. ⟨10.1016/j.jcis.2011.01.051⟩. ⟨hal-00602949⟩

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Mesoporous materials from zeolite seeds as supports for nickel tungsten sulfide active phases Part 1. Characterization and catalytic properties in hydrocracking reactions

Shuangqin Zeng, Juliette Blanchard, Michèle Breysse, Dadong Li, Hong Nie, Yahua Shib, Xintian Su

MCM-41 aluminosilicate mesostructures (Si/Al = 18) with hexagonal long-range order were assembled from protozeolitic nanoclusters (zeolite seeds) that normally nucleate the crystn. of b-zeolite (BEA). Depending on the duration of the thermal treatment leading to the zeolite seeds, different acidic…

Applied Catalysis A : General, 2005, 294, pp.59-67. ⟨10.1016/j.apcata.2005.07.015⟩. ⟨hal-00080297⟩

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Catalytic performances of platinum doped molybdenum carbide for simultaneous hydrodenitrogenation and hydrodesulfurization

Marek Lewandowski, Agnieszka Szymanska-Kolasa, Patrick da Costa, Celine Sayag

The hydrotreating activity of molybdenum carbide doped with platinum (0.3 wt.%) was studied and compared to that of a pure, non-modified Mo2C. 4,6-Dimethyldibenzothiophene (4,6-DMDBT, 300 ppm of S) and carbazole (100 ppm of N) were designated as model compounds and subjected to hydrodesufurization…

Catalysis Today, 2006, 119, pp.31-34. ⟨10.1016/j.cattod.2006.08.062⟩. ⟨hal-00128076⟩

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Conducting polymer nanofibers with controlled diameters synthesized in hexagonal mesophases

Srabanti Ghosh, Laurence Ramos, Samy Remita, Alexandre Dazzi, Ariane Deniset-Besseau, Patricia Beaunier, Fabrice Goubard, Pierre-Henri Aubert, Hynd Remita

Oil-swollen hexagonal mesophases resulting from the surfactant mediated self-assembly of a quaternary mixture of water, surfactant, co-surfactant, and oil, are versatile templates to synthesize anisotropic nanomaterials. Poly(diphenylbutadyine) (PDPB) polymer nanofibrous network structures were…

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Chromium sites in zeolite framework: Chromyl or chromium hydroxyl groups?

Frederik Tielens, Mazharul M. Islam, Gabriella Skara, F. de Proft, Tetsuya Shishido, Stanislaw Dzwigaj

A combined experimental and ab initio periodic DFT calculation on the structure and stability of different chromium-substituted zeolite models are presented. Experimental investigation by XRD, FT-IR and UV-vis show the presence of chromium in SiBEA zeolite. The favorable chromium sites are…

Microporous and Mesoporous Materials, 2012, 159, pp.66-73. ⟨10.1016/j.micromeso.2012.02.046⟩. ⟨hal-00744253⟩