• Article dans une revue

Leucine on Silica: A Combined Experimental and Modeling Study of a System Relevant for Origins of Life, and the Role of Water Coadsorption

Hagop Abadian, Pauline Cornette, Dominique Costa, Alberto Mezzetti, Christel Gervais, Jean-François Lambert

Leucine on silica constitutes an interesting system from the point of view of origins of life studies since leucine coadsorbed on SiO2 together with glutamic acid can give rise to rather long linear polypeptides upon activation. It is also an ideal system to test methods of molecular…

Langmuir, 2022, 38 (26), pp.8038-8053. ⟨10.1021/acs.langmuir.2c00841⟩. ⟨hal-03857982⟩

• Article dans une revue

Potential of electrochemical techniques (macro and microelectrodes) in fronth flotation concentration of sulfide minerals, Potencialidade das técnicas eletroquímicas (macro e microeletrodos) na concentração por flotação de minerais sulfetados

Marina Martins Mennucci, Tatiana Mallet Machado, Vincent Vivier, Hercílio Gomes De Melo, Jean Vicente Ferrari

ABSTRACT The interactions between sulfide minerals and the chemistry of the exposure medium, from the grinding process to the flotation pulp, can be electrochemical and/or galvanic and influence the hydrophobicity of their surfaces, resulting in different levels of recovery. In the literature, most…, RESUMO As interações entre os minerais sulfetados e a química do meio de exposição, desde o processo de moagem dos minérios até a polpa de flotação, podem ser de caráter eletroquímico e/ou de natureza galvânica e influenciam a hidrofobicidade de suas superfícies, resultando em diferentes níveis de…

Revista Matéria, 2022, 27 (1), pp.e13151. ⟨10.1590/S1517-707620220001.1351⟩. ⟨hal-03720585⟩

• Article dans une revue

Controlling C−OAryl Hydrogenolysis vs Aryl Hydrogenation in Lignin Model Depolymerization Using Ni‐, Rh‐ or Ni/Rh‐based Silica Catalysts

Rita Raachini, Ferdaous Ben Romdhane, Capucine Sassoye, Maya Boutros, Franck Launay

Abstract This paper focuses on the hydrogenolysis of 2‐phenoxy‐1‐phenylethanone, modelling a pre‐oxidized form of lignin using five catalysts of similar metal content, prepared by impregnation of Ni(II), Rh(III) and both metals onto Aerosil‐380 in the presence of NH 3 , followed by a reduction step…

ChemCatChem, 2023, ⟨10.1002/cctc.202300948⟩. ⟨hal-04391575⟩

• Article dans une revue

Multi-stimuli responsive supramolecular diblock copolymers

L. Sambe, K. Belal, F. Stoffelbach, J. Lyskawa, F. Delattre, M. Bria, F.X. Sauvage, M. Sliwa, V. Humblot, B. Charleux, G. Cooke, P. Woisel

A well-defined cyclobis(paraquat-p-phenylene) (CBPQT⁴⁺) end-functionalized poly(<i>n</i>-butyl acrylate) 3 was prepared <i>via</i> RAFT polymerization using a new trithiocarbonate CBPQT⁴⁺ derivative 2 as a reversible chain…

Polymer Chemistry, 2014, 5, pp.1031 - 1036. ⟨10.1039/c3py01093g⟩. ⟨hal-01113479⟩

• Communication dans un congrès

Catalyseur hybride métal-zéolithe pour l'oxydation électrochimique de l'acide formique

Lu Zhang, J.V. Perales-Rondon, Angélica Thomère, Juliette Blanchard, Carlos M Sánchez-Sánchez, Vincent Vivier

La production d’énergie par voie électrochimique peut être envisagée comme un substitut à l’utilisation de combustibles fossiles ou nucléaires. Parmi les différents composants d’une pile à combustible, l’électrocatalyseur joue un rôle major. [1] Les zéolithes sont des aluminosilicates cristallins…

Journées d' Electrochimie 2019 (JE 2019), Jul 2019, Toulouse, France. ⟨hal-03965517⟩

• Article dans une revue

PET waste as organic linker source for the sustainable preparation of MOF-derived methane dry reforming catalysts

Leila Karam, Arianna Miglio, Stefania Specchia, Nissrine El Hassan, Pascale Massiani, Julien Reboul

A catalyst made of Ni 0 nanoparticles highly dispersed on a lamellar alumina support was prepared by an environmentally-friendly route. The latter involved the synthesis of an aluminum-containing metalorganic framework (MOF) MIL-53(Al) in which the linkers were derived from the depolymerization of…

Materials Advances, 2021, ⟨10.1039/d0ma00984a⟩. ⟨hal-03187428v2⟩

• Article dans une revue

Sulfamide chemistry applied to the functionalization of self-assembled monolayers on gold surfaces

Loïc Pantaine, Vincent Humblot, Vincent Coeffard, Anne Vallée

Aniline-terminated self-assembled monolayers (SAMs) on gold surfaces have successfully reacted with ArSO 2 NHOSO 2 Ar (Ar = 4-MeC 6 H 4 or 4-FC 6 H 4) resulting in monolayers with sulfamide moieties and different end groups. Moreover, the sulfamide groups on the SAMs can be hydrolyzed showing the…

Beilstein Journal of Organic Chemistry, 2017, 13, pp.648-658. ⟨10.3762/bjoc.13.64⟩. ⟨hal-01518120⟩

• Article dans une revue

Photoelectrochemical properties of ZnS- and CdS-TiO 2 nanostructured photocatalysts: Aqueous sulfidation as a smart route to improve catalyst stability

Samiha Chaguetmi, Larissa Chaperman, Sophie Nowak, Delphine Schaming, Stephanie Lau-Truong, Philippe Decorse, Patricia Beaunier, Cyrille Costentin, Fayna Mammeri, Slimane Achour, Souad Ammar

ZnS- and CdS-TiO2 hetero-nanostructures were synthesized by impregnation of polyol-made ZnS, CdS quantum dots (QDs) on the surface of TiO2 nanofibers that were grown on Ti sheets by controlled corrosion. Due to their finite size, the grafted QDs were partly oxidized, when air exposed, reducing…

Journal of Photochemistry and Photobiology A: Chemistry, 2018, 356, pp.489 - 501. ⟨10.1016/j.jphotochem.2018.01.038⟩. ⟨hal-01741065⟩

• Communication dans un congrès

Cristallisation de nanoparticules d'oxydes (MnO2, Co3O4, gamma-Fe2O3) dans les mésopores de silices

Anne Davidson, Vincent Dupuis, Regine Perzynski, Nissrine El Hassan, Marianne Imperor-Clerc, Dominique Bazin, Patricia Beaunier, Marie Dominique Appay

Du fait du grand nombre d'atomes exposés sur leur surface et de propriétés redox particulières, des nanoparticules d'oxydes de métaux de transition pourraient avantageusement remplacer les métaux nobles pour la gestion de problèmes environnementaux (élimination de CO à basse température,…

Cristallisation de nanoparticules d'oxydes (MnO2, Co3O4, gamma-Fe2O3) dans les mésopores de silices SBA-15: modifications structurales et propriétés rédox en fonction de la taille, Nov 2006, Dijon, France. ⟨hal-00172108⟩

• Communication dans un congrès

Electron transfers in TiO₂-containing zeolites

A. Legrand, A. Moissette, M. Hureau, S. Casale, P. Massiani, H. Vezin, A.S. Mamede, I. Batonneau-Gener