Laboratoire de réactivité de surface

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  • 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

Revealing the Interplay between Adsorbed Molecular Layers and Gold Nanoparticles by Linear and Nonlinear Optical Properties

Laetitia Dalstein, Maroua Ben Haddada, Grégory Barbillon, Christophe Humbert, Abderrahmane Tadjeddine, Souhir Boujday, Bertrand Busson

Gold nanoparticles (AuNPs) chemically grafted on substrates are widely used as sensors due to their plasmonic properties. The efficiency and robustness of such sensors strongly depend on the molecular sublayer structure, which influences the distribution of AuNPs, and therefore the plasmonic…

Journal of Physical Chemistry C, 2015, 119 (30), pp.17146-17155. ⟨10.1021/acs.jpcc.5b03601⟩. ⟨hal-02111041⟩

  • Article dans une revue

Ordered Nanostructures on a Hydroxylated Aluminum Surface through the Self-Assembly of Fatty Acids.

Irma Liascukiene, Nesrine Aissaoui, Svajus J. Asadauskas, Jessem Landoulsi, Jean-François Lambert

We investigate the mechanism of self-assembly of fatty acids (FA) and methyl oleate on an Al oxy-hydroxide surface with a view to deciphering the role and nature of interfacial processes (adsorption, chemical binding, molecular organization, etc.). For this purpose, we focus on parameters related…

Langmuir, 2012, 28, pp.5116-5124. ⟨10.1021/la2051542⟩. ⟨hal-00688636⟩

  • Article dans une revue

Bioactive peptides grafted silicone dressings: A simple and specific method

Coline Pinese, Said Jebors, Pierre-Emmanuel Stoebner, Vincent Humblot, Pascal Verdié, Léa Causse, Xavier Garric, Hubert Taillades, Jean Martinez, Ahmad Mehdi, Gilles Subra

The need for bioactive dressings increases with the population aging and the prevalence of chronic diseases. In contrast, there are very few dressings on the market which are designed to display a chosen bioactivity. In this context, we investigated the surface-functionalization of silicone wound…

Materials Today Chemistry, 2017, 4, pp.73-83. ⟨10.1016/j.mtchem.2017.02.007⟩. ⟨hal-01496701⟩

  • Article dans une revue

Nanosized Layered TOT Magnesium-Silicates: Equilibrium Morphologies and Surface Speciation, a Computational and Experimental Study

Hervé Toulhoat, Longfei Lin, Dalil Brouri, Jean-Marc Krafft, Yannick Millot, Guillaume Laugel, Hélène Lauron-Pernot

The morphology, surface speciation, NMR, and IR spectroscopic properties of nanosized layered magnesium silicate isostructural to talc at equilibrium in an aqueous environment were computed from first principles. The theoretical predictions were successfully compared with experimental results…

Journal of Physical Chemistry C, 2019, 123 (44), pp.26965-26979. ⟨10.1021/acs.jpcc.9b06794⟩. ⟨hal-02457716⟩

  • Thèse

Molecules at surfaces : formation, reactivity, assembly of (bio)molecules on external and internal surfaces of nanosized/nanostructured materials, Molécules aux surfaces : formation, réactivité, assemblage de (bio) molécules sur les surfaces externes et internes de matériaux nanométriques / nanostructurés

Ola El Samrout

This PhD thesis aims to deeply study the polymerization of Gly monomers on amorphous silica to better understand its reaction mechanism, kinetics, and parameters related to the nature of the condensation product obtained under different environmental conditions. In the first part, the behavior of…, Cette thèse vise à étudier en profondeur la polymérisation des monomères Gly sur de la silice amorphe afin de mieux comprendre son mécanisme réactionnel, sa cinétique et les paramètres liés à la nature du produit de condensation obtenu dans différentes conditions environnementales. Dans la première…

Material chemistry. Sorbonne Université; Università di Torino, 2023. English. ⟨NNT : 2023SORUS085⟩. ⟨tel-04138067⟩

  • Article dans une revue

Nanostructured Nickel Aluminate as a Key Intermediate for the Production of Highly Dispersed and Stable Nickel Nanoparticles Supported within Mesoporous Alumina for Dry Reforming of Methane

Leila Karam, Julien Reboul, Nissrine El Hassan, Jaysen Nelayah, Pascale Massiani

Two routes of preparation of mesoporous Ni-alumina materials favoring the intermediate formation of nanostructured nickel-aluminate are presented. The first one involves an aluminum containing MOF precursor used as sacrificial template to deposit nickel while the second is based on a one-pot…

Molecules, 2019, 24 (22), pp.4107. ⟨10.3390/molecules24224107⟩. ⟨hal-03054098⟩

  • Article dans une revue

Electrodeposition and soft oxidation of nickel‑iron hydroxides: An efficient two-step approach for the synthesis of highly active and stable iron-rich NiFe-LDHs with controlled Ni/Fe composition for oxygen evolution reaction

Yakoub Smati, Divino Salvador Ramírez-Rico, Antoine Miche, Jean-Marc Krafft, David Montero, Mireille Turmine, Vincent Vivier, Julien Reboul, Juliette Blanchard

Nickel‑iron layered double hydroxides (NiFe-LDHs) are promising low-cost and active electrocatalysts for the alkaline oxygen evolution reaction (OER), yet conventional synthesis methods face two key limitations: (i) poor control over the Ni/Fe atomic ratio and (ii) difficulty in producing active,…

Journal of Colloid and Interface Science, 2025, 702, pp.139016. ⟨10.1016/j.jcis.2025.139016⟩. ⟨hal-05373486⟩

  • Article dans une revue

Homogeneous Supported Monolayer from Microbial Glycolipid Biosurfactant

Niki Baccile, Anyssa Derj, Cedric Boissiere, Vincent Humblot, Ariane Deniset-Besseau

The development of supported glycosylated lipid layers is an important trend in the field of glyconanomaterials for their interest in understanding sugar-sugar and protein-sugar interactions, these being at the core of cellular, bacterial or viral adhesion. The conventional self-assembled monolayer…

Journal of Molecular Liquids, 2022, 345 (117827), ⟨10.1016/j.molliq.2021.117827⟩. ⟨hal-03149331⟩

  • Article dans une revue

Microstructural, morphological characterization and corrosion behavior of sand cast AlSi10Cu(Fe) alloy in chloride solution

Belkacem Korichi, Nacer Zazi, Stéphanie Delbrel, Kieu Ngo, Jean Paul Chopart

In order to examine the relationship between the microstructure and the corrosion behavior in chloride solution, the microstructure of AlSi10Cu (Fe) sand cast aluminum alloy has been investigated by using different techniques including scanning electron microscopy, energy-dispersive spectroscopy, X…

Chemical Papers, 2022, 76, pp.2947-2967. ⟨10.1007/s11696-022-02064-9⟩. ⟨hal-03597124⟩