Laboratoire de réactivité de surface

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  • Article dans une revue

Synthesis and grafting of a BTP derivative onto a quartz crystal microbalance for lanthanide detection

Dimitri Mercier, Nicolas Leconte, Christophe Methivier, Franck Suzenet, G?ld Guillaumet, Anne Wuillaume, Claire-Marie Pradier

The ability of bis-triazinylpyridine (BTP) molecules to complex lanthanides is well-known in solution and can be judiciously utilized to elaborate solid sensing surfaces. This was done by synthesizing a new BTP derivative and covalently anchoring it onto gold surfaces. The BTP grafting, its…

Physical Chemistry Chemical Physics, 2010, 12 (23), pp.6099-6106. ⟨10.1039/b921389a⟩. ⟨hal-00604780⟩

  • Article dans une revue

Basic reactivity of CaO: investigating active sites under operating conditions

Hugo Petitjean, Celine Chizallet, Jean-Marc Krafft, Michel Che, Helene Lauron-Pernot, Guylene Costentin

A set of CaO samples was prepared from thermal decomposition of several precursors, leading to very different surface properties. During storage, CaO samples rehydrated quickly but reversibly. Before characterization, the samples were pre-treated at 1023 K under nitrogen flow to obtain CaO as the…

Physical Chemistry Chemical Physics, 2010, 12 (44), pp.14740-14748. ⟨10.1039/c0cp00855a⟩. ⟨hal-00604790⟩

  • Article dans une revue

Probing acid-base sites in vanadium redox zeolites by DFT calculation and compared with FTIR results

Frederik Tielens, Stanislaw Dzwigaj

Ab initio periodic DFT calculations in combination with experimental FTIR of adsorption pyridine investigations have been used to study the acid-base properties of vanadium doped zeolite materials. It is evidenced that VO-H groups of V(V) and V(IV) framework sites are more acidic than SiO-H groups…

Catalysis Today, 2010, 152 (1-4), pp.66-69. ⟨10.1016/j.cattod.2009.09.006⟩. ⟨hal-00604806⟩

  • Article dans une revue

Investigation of oxide catalysts activity in the NOx neutralization with organic reductants

W. Turek, A. Plis, Patrick da Costa, A. Krzton

Temp.-programmed desorption of NO (TPD) and temp.-programmed redn. of NO by propene and ethanol (TPSR) over the catalyst with redox properties and the structure of spinels - Co3O4 and CoFe2O4 - were investigated. The TPD expts. can det. the temp. range in which the deNOx proceeds and provide…

Applied Surface Science, 2010, 256 (17), pp.5572-5575. ⟨10.1016/j.apsusc.2009.12.149⟩. ⟨hal-00604810⟩

  • 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⟩

  • Article dans une revue

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⟩

  • Article dans une revue

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⟩

  • Article dans une revue

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⟩

  • Article dans une revue

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⟩

  • Article dans une revue

Microcalorimetric and thermodynamic studies of CO2 and methanol adsorption on magnesium oxide

C. Pighini, Thomas Belin, Jerome Mijoin, Patrick Magnoux, Guylene Costentin, Helene Lauron-Pernot

Both Lewis and Bronsted basic properties of magnesium oxide (MgO) are, respectively, studied by adsorption of CO2 and methanol CH3OH. Various chemical synthesis of pure magnesium oxide (commercial, sol-gel and precipitation methods) are used. The influence of small amounts of alkaline (Na+ and Li…

Applied Surface Science, 2011, 257 (15), pp.6952-6962. ⟨10.1016/j.apsusc.2011.03.040⟩. ⟨hal-00602947⟩