Laboratoire de réactivité de surface

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  • Article dans une revue

Catalytic Pyrolysis of Plastics over Maghemite-Impregnated Mesocellular Foam using Induction Heating

Luing Wong Syie, Sabino Armenise, B. Nyakuma Bemgba, Soon Ng Pang, Hau Lee Chia, Anna Bogush, Franck Launay, Evgeny Rebrov, Marta Munoz

Pyrolysis is a key technology that converts unrecyclable end-of-life plastics into value-added products. Nevertheless, the high energy consumption during plastic pyrolysis limits the economic feasibility of a scaled-up process. Development of an energy-efficient plastic pyrolysis process is…

Chemical Engineering Transactions, 2022, 97, pp.25. ⟨10.3303/CET2297005⟩. ⟨hal-04030193⟩

  • Article dans une revue

Boronic species as promising inhibitors of the Staphylococcus aureus NorA efflux pump: Study of 6-substituted pyridine-3-boronic acid derivatives

Fanny Fontaine, Arnaud Héquet, Anne-Sophie Voisin-Chiret, Alexandre Bouillon, Aurélien Lesnard, Thierry Cresteil, Claude Jolivalt, Sylvain Rault

In response to the extensive use of antibiotics, bacteria have evolved numerous mechanisms of defense against antimicrobial agents. Among them, extrusion of the antimicrobial agents outside the bacterial cell through efflux pumps is a major cause of concern. At first limited to one or few…

European Journal of Medicinal Chemistry, 2015, 95, pp.185-198. ⟨10.1016/j.ejmech.2015.02.056⟩. ⟨hal-01170424⟩

  • 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⟩

  • Communication dans un congrès

Structural and electrochemical properties of Y(Ni,Mn)3 compounds in protic ionic liquid

J Monnier, G Fedlouk, J Chan, E Kurchavova, M Turmine, V Vivier, L. Laversenne, M Mateos, F Cuevas, J Zhang

The achievable voltage of an alkaline battery is limited by the narrow electrochemical stability window of water and its service life is constrained by corrosion issues related to highly concentrated alkaline solutions. An alternative to aqueous media is the use of ionic liquid (IL)-based…

MH2024, May 2024, Saint-Malo, France. ⟨hal-04959488⟩

  • Article dans une revue

What Do Tantalum Framework Sites Look Like in Zeolites? A Combined Theoretical and Experimental Investigation

Frederik Tielens, Tetsuya Shishido, Stanislaw Dzwigaj

Ab initio periodic DFT calculations on the structural and energy properties of different model tantalum framework sites in tantalum-substituted socialite cavities are presented and related to experimental FTIR measurements on Ta-containing SiBEA zeolites. The tantalum framework sites are…

Journal of Physical Chemistry C, 2010, 114 (21), pp.9923-9930. ⟨10.1021/jp102181m⟩. ⟨hal-00604808⟩

  • Article dans une revue

Effect of Coverage and Defects on the Adsorption of Propanethiol on Au(111) Surface: A Theoretical Study

Noelia B. Luque, Elizabeth Santos, Juan Andres, Frederik Tielens

Periodic density functional calculations have been carried out to investigate both the thiol adsorption on Au(111) surface and the reaction mechanism for the formation of the self-assembled monolayers, taking propanethiol as a representative example. The effect of coverage and surface defects (…

Langmuir, 2011, 27, pp.14514-14521. ⟨10.1021/la202861s⟩. ⟨hal-00670100⟩

  • Article dans une revue

Assessing carbon or tungstates coverage of ZrO2 nanoparticles supported on MWCNT via NOx-TPD

Patrick Kelleher, Gary Haller, Sandra Casale, Christophe Méthivier, Cyril Thomas

Multi-walled carbon nanotubes (MWCNT) promoted by oxides, that are far from trivial to characterize, have emerged as promising candidates in several fields such as biosensors and catalysis. In this study the coverage of ZrO2 nanoparticles supported on MWCNT, by carbonaceous deposits or tungstates…

Nano-Structures & Nano-Objects, 2018, 16, pp.110-119. ⟨10.1016/j.nanoso.2018.05.003⟩. ⟨hal-01803349⟩

  • Article dans une revue

A New Antibacterial N -Halamine Coating Based on Polydopamine

Nadia Nazi, Vincent Humblot, Catherine Debiemme

To prevent the formation of biofilms on material surfaces, the latter must have antibacterial properties. The aim of this study is to investigate the synthesis and the antibacterial effect of a new N-halamine coating based on polydopamine (PDA). The benefits of this coating are multiple, notably…

Langmuir, 2020, 36 (37), pp.11005-11014. ⟨10.1021/acs.Langmuir.0c01856⟩. ⟨hal-02981544⟩

  • Article dans une revue

Defect-related multicolour emissions in ZnO tetrapods: from violet, over green to yellow

Miao Zhang, Frédéric Averseng, Francia Haque, Patrizia Borghetti, Jean-Marc Krafft, Benoît Baptiste, Guylène Costentin, Slavica Stankic

The nature of defects in ZnO smoke was studied at different stages of the materials' history by combining photoluminescence (PL) and electron paramagnetic resonance (EPR) spectroscopies. In contrast to studies previously reported on ZnO nanopowders, high vacuum conditions (P < 10-5 mbar)…

Nanoscale, 2019, 11 (11), pp.5102-5115. ⟨10.1039/C8NR09998G⟩. ⟨hal-02169364⟩

  • Article dans une revue

The antibacterial activity of Magainin I immobilized onto mixed thiols Self-Assembled Monolayers

Vincent Humblot, Jean-Fabrice Yala, Pascal Thebault, Kada Boukerma, Arnaud Héquet, Jean-Marc Berjeaud, Claire-Marie Pradier

An antibacterial peptide, Magainin I, was covalently bound to a mixed 11-mercaptoundecanoïc acid (MUA) and 6-mercaptohexanol (C6OH) (ratio 1:3) Self-Assembled Monolayer (SAM) on gold surfaces. Each step of the surface functionalization was characterized by Polarization Modulation Reflection…

Biomaterials, 2009, 30 (21), pp.3503-3512. ⟨10.1016/j.biomaterials.2009.03.025⟩. ⟨hal-04435299⟩