• Communication dans un congrès

Glycine Interaction with Geminal and Vicinal Silanols

D. Costa, Frederik Tielens, L. Stievano, J-F. Lambert

A periodic DFT study of the adsorption of glycine on an amorphous silica surface is presented. It is shown that glycine adsorbs via a specific interaction with the geminal silanols. Geminal silanols are the most reactive sites for glycine adsorption and the adsorption on these sites is irreversible…

THEORY AND APPLICATIONS OF COMPUTATIONAL CHEMISTRY - 2008, 2009, Unknown, Unknown Region. pp.251-256. ⟨hal-01361359⟩

• Article dans une revue

How Surface Hydroxyls Enhance MgO Reactivity in Basic Catalysis: The Case of Methylbutynol Conversion

Petitjean Hugo, Hazar Guesmi, Lauron-Pernot Hélène, Costentin Guylène, David Loffreda, Philippe Sautet, Françoise Delbecq

This combined experimental and theoretical study aims at understanding why surface hydroxyl groups may enhance catalytic reactivity of MgO surfaces in basic catalysis, whereas hydroxyls are weakly deprotonating groups. We investigated that reactivity enhancement in the catalytic conversion of 2-…

ACS Catalysis, 2014, 4 (11), pp.4004-4014. ⟨10.1021/cs5010807⟩. ⟨hal-01121971⟩

• Communication dans un congrès

Comparative study of natural gas vehicles commercial catalysts in monolith form: on the effect of gas composition and catalyst formulation

Marc Salaün, Sandra Capela, Anita Kouakou, Stéphanie da Costa, Pascal Granger, Patrick da Costa

GDRI "Catalysis for Environment", Sep 2008, Zakopane, Poland. pp.127-129. ⟨hal-00324519⟩

• Communication dans un congrès

Determination of dielectric properties of mimicking biological tissues by electrochemical impedance spectroscopy

Mado Abraham, Sylvain Feruglio, Ahmed Hamraoui, Hakeim Talleb, Vincent Vivier, Kieu Ngo

Tissue-mimicking materials are widely developed and used as substitutes in many medical branches, including surgical procedures, medical imaging, machine calibration, training, and simulations. Usually, these materials are fabricated either by chemical synthesis or additive manufacturing (3D…

12th International Symposium on Electrochemical Impedance Spectroscopy (EIS2023), Jul 2023, Pékin, China. ⟨10.1088/0031-9155/41/11/001⟩. ⟨hal-04163868⟩

• Article dans une revue

Nanostructured and Spiky Gold Shell Growth on Magnetic Particles for SERS Applications

Erin Bedford, Christophe Méthivier, Claire-Marie Pradier, Frank Gu, Souhir Boujday

Nanomaterials, 2020, 10 (11), pp.2136. ⟨10.3390/nano10112136⟩. ⟨hal-03044569⟩

• Article dans une revue

Influence of synthesis parameters of SBA-15 supported palladium catalysts for methane combustion and simultaneous NOx reduction

Maya Boutros, María Elena Gálvez, Thomas Onfroy, Patrick da Costa

Several synthesis routes were followed to prepare ordered mesoporous silica, SBA-15, and alumino-silica, Al–SBA-15, supported palladium catalysts. Synthesis method as well as the nature of precursor used in the preparation of these catalysts strongly determined their physico-chemical features which…

Microporous and Mesoporous Materials, 2014, 183, pp.1-8. ⟨10.1016/j.micromeso.2013.08.031⟩. ⟨hal-01121621⟩

• Article dans une revue

Self-Assembly of Fatty Acids on Hydroxylated Al Surface and Effects of Their Stability on Wettability and Nanoscale Organization

Irma Liascukiene, Marie Steffenhagen, Svajus J. Asadauskas, Jean-François Lambert, Jessem Landoulsi

The self-assembly of fatty acids (FA) on the surfaces of inorganic materials is a relevant way to control their wetting properties. While the mechanism of adsorption on model flat substrate is well described in the literature, interfacial processes remain poorly documented on nanostructured…

Langmuir, 2014, 30 (20), pp.5797-5807. ⟨10.1021/la404756y⟩. ⟨hal-01121646⟩

• Communication dans un congrès

Effect of different substrates on heterologous production of a fungal laccase in a recombinant strain of Yarrowia lipolytica

Catherine Madzak, M Moradi, Farshad Darvishi, Claude Jolivalt

Effect of different substrates on heterologous production of a fungal laccase in a recombinant strain of Yarrowia lipolytica. 16. International and Iranian Congress of Microbiology

16. International and Iranian Congress of Microbiology, Aug 2015, Téhéran, Iran. ⟨hal-01535367⟩

• Communication dans un congrès

Mesoporous alumina of controlled pore size obtained by surface alumination of pure silica SBA 15

Emmanuel de La Rochefoucauld, Xavier Carrier, Jean-Marc Krafft, Juliette Blanchard

Silica-alumina oxide supports were synthesized by surface alumination of mesoporous silica SBA-15 with Al isopropoxide in organic solvents. These materials were characterised by N2 adsorption-desorption isotherms, XRD, 27Al NMR and cumene cracking. The chemical nature of the surface was probed by…

Scientific Bases for the Preparation of Heterogeneous Catalysts, Proceedings of the 9th International Symposium, 2006, France. pp.13-20. ⟨hal-00096788⟩

• Article dans une revue

Influence of organic additives on the properties of impregnationsolutions and on nickel oxide particle size for Ni/Al2O3catalysts

Faiza Bentaleb, Michel Che, Anne-Claire Dubreuil, Cécile Thomazeau, Eric Marceau

tThe introduction of organic additives, such as polyols, sugars or polyacids, in impregnation solutionshas been suggested to better control the size of nanoparticles on supported catalysts. The present paperfocuses on the roles played by three of these additives, sorbitol, glucose and citric acid,…

Catalysis Today, 2014, 235, pp.250-255. ⟨10.1016/j.cattod.2014.02.020⟩. ⟨hal-01065046⟩