• Article dans une revue

Formation of Activated Biomolecules by Condensation on Mineral Surfaces – A Comparison of Peptide Bond Formation and Phosphate Condensation

Thomas Georgelin, Maguy Jaber, Houssein Bazzi, Jean-François Lambert

Many studies have reported condensation reactions of prebiotic molecules, such as the formation of peptide bonds between amino acids, to occur to some degree on mineral surfaces. We have studied several such reactions on the same divided silica. When drying steps are applied, the equilibria of…

Origins of Life and Evolution of the Biosphere, 2013, 43 (4-5), pp.429-43. ⟨10.1007/s11084-013-9345-2⟩. ⟨hal-01121640⟩

• Article dans une revue

The Mosaic Structure of Zeolite Crystals

Zhengxing Qin, Georgian Melinte, Jean-Pierre Gilson, Maguy Jaber, Krassimir Bozhilov, Philippe Boullay, Svetlana Mintova, Ovidiu Ersen, Valentin Valtchev

Zeolites are widely used in many commercial processes, mostly as catalysts or adsorbents. Understanding their intimate structure at the nanoscale is the key to control their properties and design the best materials for their ever increasing uses. Herein, we report a new and controllable fluoride…

Angewandte Chemie International Edition, 2016, 55 (48), pp.15049-15052. ⟨10.1002/anie.201608417⟩. ⟨hal-02410439⟩

• Article dans une revue

A comparative study of alanine adsorption and condensation to peptides in two clay minerals

Fabrícia de Castro Silva, Luciano Clécio Brandão Lima, Edson Silva-Filho, Maria Gardennia Fonseca, Jean-François Lambert, Maguy Jaber

The polycondensation of amino acids to oligopeptides is an important step in the origins of life, and known to be effective on several mineral surfaces. The data available on clay mineral surfaces are heterogeneous and sometimes contradictory, however. The objective of the present work is to…

Applied Clay Science, 2020, 192, pp.105617. ⟨10.1016/j.clay.2020.105617⟩. ⟨hal-02887409⟩

• Article dans une revue

Passivation behaviour of stainless steel (UNS N-08028) in industrial or simplified phosphoric acid solutions at different temperatures

M. Ben Salah, R. Sabot, Philippe Refait, I. Liascukiene, C. Methivier, J. Landoulsi, L. Dhouibi, M. Jeannin

Corrosion Science, 2015, 99, pp.320-332. ⟨10.1016/j.corsci.2015.07.025⟩. ⟨hal-02473178⟩

• Article dans une revue

Amphiphilic Polyoxometalates for the Controlled Synthesis of Hybrid Polystyrene Particles with Surface Reactivity

Jennifer Lesage de la haye, Jean-Michel Guigner, Eric Marceau, Laurent Ruhlmann, Bernold Hasenknopf, Emmanuel Lacôte, Jutta Rieger

Amphiphilic organo-polyoxometalates (POMs) used in the radical emulsion polymerization of styrene allowed the preparation in aqueous medium of stable 50-100 nm polystyrene-POM composite latexes. Thanks to the presence of a trithiocarbonate group in the POM amphiphile, POMs could be covalently…

Chemistry - A European Journal, 2015, 21 (7), pp.2948-53. ⟨10.1002/chem.201405708⟩. ⟨hal-01120607⟩

• Article dans une revue

Synthesis and characterization of Ag-Protoporphyrin nano structures using mixed co-polymer method

Ramesh Perumal, Sandra Casale, Luca de Stefano, Jolanda Spadavecchia

In this paper, we report the synthesis of hybrid silver nanostructures (AgNPs) based on an effective mixing of polyols with Polyvinylpyrrolidone (PVP) and Porphyrin molecules, in particular Protoporphyrin IX (PP). The combination of PVP and PP, which act as co-directing agents and favour the…

Frontiers in Laboratory Medicine, 2017, ⟨10.1016/j.flm.2017.05.002⟩. ⟨hal-01526696⟩

• Article dans une revue

Effect of the order of Ni and Ce addition in SBA-15 on the activity in dry reforming of methane, Effet de l'ordre d'ajout du Ni et du Ce dans SBA-15 sur l'activité en reformage à sec du methane

Marie-Nour Kaydouh, Nissrine El Hassan, Anne Davidson, Sandra Casale, Pascale Massiani

Dry reforming of methane has been carried out on SBA-15 catalysts containing 5 wt% Ni and 6 wt% Ce. The effect of the order of Ni and Ce impregnation on the catalytic activity has been studied. Both metals were added using the “two-solvent” method that favors metal dispersion inside the pores.…

Comptes Rendus. Chimie, 2015, 18 (3), pp.293-301. ⟨10.1016/j.crci.2015.01.004⟩. ⟨hal-01121889⟩

• Chapitre d'ouvrage

Catalyse sélective redox

Elisabeth Bordes-Richard, Jacques Védrine

Techniques de l'Ingénieur, J1215, pp.1-17, 2013. ⟨hal-01128715⟩

• Article dans une revue

Segmentation d’images de lésions cérébrales primitives en TEP FET : influence du volume de travail

C. Lemarignier, J. Kraft, R. Modzelewski, T. Fechter, I. Gardin, I. Götz, A. Grosu, P. Vera, U. Nestle

Médecine Nucléaire - Imagerie Fonctionnelle et Métabolique, 2014, 38 (6), pp.429-38. ⟨10.1016/j.mednuc.2014.09.001⟩. ⟨hal-01142737⟩

• Pré-publication, Document de travail

Preparation of Supported Gold Nanoparticles by a Modified Incipient Wetness Impregnation Method

Laurent Delannoy, Nissrine El Hassan, Andrea Musi, Nga Nguyen Le To, Jean-Marc Krafft, Catherine Louis

In this work, we show that if the mere procedure of impregnation of oxide supports with chloroauric acid, which is well-known to lead to large gold particles, is followed by a step of washing with ammonia, small gold particles (3-4 nm) can be obtained after a treatment of calcination at 300 °C on…

2006. ⟨hal-00115962⟩