Laboratoire de réactivité de surface

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  • Article dans une revue

Stabilization of hexagonal close-packed metallic nickel for alumina-supported systems prepared from Ni(II) glycinate

Eric Marceau, Vicente Rodriguez-Gonzalez, Michel Che, Patricia Beaunier, Cyrille Train

The decomposition in flowing argon of the neutral complex [NiII(glycinate)2(H2O)2] leads to a mixture of face-centered cubic (fcc) and hexagonal close-packed (hcp) metallic nickel. The latter is the main phase when the Ni(II) complex is supported on alumina. Unlike most hexagonal Ni phases…

Journal of Solid State Chemistry, 2007, 180, pp.22-30. ⟨hal-00126877⟩

  • Article dans une revue

Tuning the load in gold and magnetic nanoparticles in nanogels through their design for enhanced dual magneto-photo-thermia

Esther Cazares-Cortes, Claire Wilhelm, Jose Efrain Perez, Ana Espinosa, Sandra Casale, Aude Michel, Ali Abou-Hassan, Christine Ménager

We describe a novel synthesis allowing to enhance the load in magnetic nanoparticles and gold nanorods in nanogels. Two different structures, simple cores and core-shells were synthesized and their heating properties upon alternating magnetic field or laser exposure are compared. Remarkably, the…

Chemical Communications, In press, ⟨10.1039/D0CC07176E⟩. ⟨hal-03236485⟩

  • Article dans une revue

Oxidation and Surface Segregation Behavior of a Pt–Pd–Rh Alloy Catalyst

Paul A. J. Bagot, Karen Kruska, Daniel Haley, Xavier Carrier, Eric Marceau, Michael. P. Moody, George D. W. Smith

Platinum gauze catalysts are used extensively in the production of nitricacid from ammonia, where they are subject to harsh operating conditions combiningelevated temperatures and oxidizing environments. These cause significant loss of metalspecies as volatile oxides. How different metallic species…

Journal of Physical Chemistry C, 2014, 118 (45), pp.26130−26138. ⟨10.1021/jp508144z⟩. ⟨hal-01089821⟩

  • Article dans une revue

Pseudoaneurysm of anterior tibial artery following a diaphyseal fracture ă of the tibia mimicking a malignant bone tumor

Pierre Sautet, Elie Choufani, Philippe Petit, Franck Launay, Jean-Luc Jouve, Sebastien Pesenti

Pseudoaneurysms of the lower limb are rare and frequently iatrogenics ă complications. Closed traumas are likely to generate lesions of the ă arterial wall, which generally become symptomatic at a later stage. The ă diagnosis of such vascular lesion is difficult because the ă symptomatology and the…

Archives of Orthopaedic and Trauma Surgery, 2016, 136 (9), pp.1247-1250. ⟨10.1007/s00402-016-2525-6⟩. ⟨hal-01482636⟩

  • Article dans une revue

Determination of Integrated Molar Absorption Coefficients for Gaseous Phenol Infrared Bands and Influence of Water Vapor on Their Values

Thomas Onfroy, Olivier Marie

The integrated molar absorption coefficients for ν(OH) (3655 cm-1), δ(OH) (Q branch at 1176 cm-1 or whole bands), [ν(CCring) + δ(OH)] (Q branch at 1344 cm-1 or whole bands) and γ(CH) (752 cm-1) were determined at 342 K, by recording infrared spectra of pure gaseous phenol at different partial…

American Journal of Analytical Chemistry, 2019, 10 (01), pp.9-22. ⟨10.4236/ajac.2019.101002⟩. ⟨hal-02019083⟩

  • Article dans une revue

Electron conductive self-assembled hybrid low-molecular weight glycolipid-nanosilver gels

Korin Gasia Ozkaya, Othmane Darouich, Hynd Remita, Isabelle Lampre, Lionel Porcar, Alain Carvalho, M. Schmutz, Sandra Casale, Christel Laberty-Robert, Niki Baccile

Low-molecular weight (LMW) hydrogels are gaining interest over macromolecular gels due to their reversible, dynamic and stimuli-responsive nature. They are potentially interesting functional materials for advanced applications such as catalysis, nanoelectronics or regenerative medicine. One common…

Materials Horizons, 2025, 12 (17), pp.6977-6991. ⟨10.1039/D5MH00105F⟩. ⟨hal-05028948v2⟩

  • Article dans une revue

One-pot prepared mesoporous silica SBA-15-like monoliths with embedded Ni particles as selective and stable catalysts for methane dry reforming

Oscar Daoura, Giulia Fornasieri, Maya Boutros, Nissrine El Hassan, Patricia Beaunier, Cyril Thomas, Mohamed Selmane, Antoine Miche, Capucine Sassoye, Ovidiu Ersen, Walid Baaziz, Pascale Massiani, Anne Bleuzen, Franck Launay

Ni@SBA-15 monoliths with up to 5 wt.% of Ni were successfully synthetized by means of an original and easy one-pot sol-gel method. Transmission Electron Microscopy (TEM), X-ray Photoelectron Spectroscopy (XPS), Temperature-Programmed Reduction (TPR), Pair Distribution Function (PDF) and X-Ray…

Applied Catalysis B: Environmental, 2021, 280, pp.119417. ⟨10.1016/j.apcatb.2020.119417⟩. ⟨hal-02991760⟩

  • Article dans une revue

Brake wear (nano)particle characterization and toxicity on airway epithelial cells in vitro

Chloé Puisney, Evdokia K Oikonomou, Sophie Nowak, Alexandre Chevillot, Sandra Casale, Armelle Baeza-Squiban, Jean-François Berret

Particulate air pollution results from different sources, among which those related to road traffic have a significant impact on human health. Combustion-derived particles emitted by thermal engines have been incriminated and are now better controlled. In contrast, non-exhaust emission sources…

Environmental science‎.Nano, 2018, 5 (4), pp.1036-1044. ⟨10.1039/C7EN00825B⟩. ⟨hal-02342487⟩

  • Article dans une revue

An expeditious synthesis of early transition metal carbide nanoparticles on graphitic carbons

Debora Ressnig, Simona Moldovan, Ovidiu Ersen, Patricia Beaunier, David Portehault, Clément Sanchez, Sophie Carenco

An expeditious synthesis of metal carbide nanoparticles onto various carbon supports is demonstrated. The procedure is versatile and readily yields TiC, VC, Mo2C and W2C nanoparticles on different types of carbons. The reaction is initiated at room temperature and proceeds within seconds. This…

Chemical Communications, 2016, 52 (61), pp.9546-9549. ⟨10.1039/c6cc04157d⟩. ⟨hal-01346258v2⟩

  • Article dans une revue

Microphysiological Glomerular Filtration Barriers: Current Insights, Innovations, and Future Applications

Manon Miran, Kieu Ngo, David Buob, Hanna Debiec, Pierre Ronco, Guillaume Perry

Chronic kidney disease (CKD) affects over 850 million individuals worldwide, often progressing to stages requiring dialysis or kidney transplants. Central to kidney function is the glomerular filtration barrier (GFB), which selectively filters waste while retaining essential proteins. Traditional…

Advanced Biology, In press, ⟨10.1002/adbi.202500108⟩. ⟨hal-05148948⟩