• Article dans une revue

Aerosol-assisted self-assembly of hybrid Layered Double Hydroxide particles into spherical architectures

Vanessa Prevot, Claire Szczepaniak, Maguy Jaber

Acetate intercalated NiAl-Layered Double Hydroxide nanoparticles were prepd. by polyol process and further used as building blocks to form hybrid LDH spheres by a spray drying technique. The spherical aggregated LDH particles display a polydispersed size with a diam. ranging from 47 nm to 2 μm.…

Journal of Colloid and Interface Science, 2011, 356 (2), pp.566-572. ⟨10.1016/j.jcis.2011.01.051⟩. ⟨hal-00602949⟩

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Novel vanadium-containing mesocellular foams (V-MCF) obtained by direct synthesis

Marco Piumetti, Barbara Bonelli, Pascale Massiani, Yannick Millot, Stanislaw Dzwigaj, Lucia Gaberova, Marco Armandi, Edoardo Garrone

This work reports the preparation and characterization of novel V-containing mesocellular foams (MCF) obtained by direct synthesis: their physico-chemical properties were investigated by means of complementary techniques and comparison was made with V-containing MCF prepared by (traditional)…

Microporous and Mesoporous Materials, 2011, 142 (1), pp.45-54. ⟨10.1016/j.micromeso.2010.11.010⟩. ⟨hal-00602948⟩

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Microcalorimetric and thermodynamic studies of CO2 and methanol adsorption on magnesium oxide

C. Pighini, Thomas Belin, Jerome Mijoin, Patrick Magnoux, Guylene Costentin, Helene Lauron-Pernot

Both Lewis and Bronsted basic properties of magnesium oxide (MgO) are, respectively, studied by adsorption of CO2 and methanol CH3OH. Various chemical synthesis of pure magnesium oxide (commercial, sol-gel and precipitation methods) are used. The influence of small amounts of alkaline (Na+ and Li…

Applied Surface Science, 2011, 257 (15), pp.6952-6962. ⟨10.1016/j.apsusc.2011.03.040⟩. ⟨hal-00602947⟩

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Sequential and Time-Controlled Sol-Gel Transitions by the Mechanical Switching of Molecular Tweezers

Pablo Msellem, Geoffrey Groslambert, Louise Miton, Mickaël Pomes-Hadda, Nathan van Zee, Clément Guibert, Guillaume Vives

Controlling the motion of molecular machines to influence higher-order structures is well-established in biological systems but remains a significant challenge for synthetic analogs. Herein, we aim to harness the mechanical switching of switchable molecular tweezers to modulate their self-assembly…

Journal of the American Chemical Society, 2025, 147 (6), pp.5360-5367. ⟨10.1021/jacs.4c17146⟩. ⟨hal-05169469⟩

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Selective uptake of La3+ ions with polyoxometalates-functionalized mesoporous SBA-15: An EXAFS study

Ourania Makrygenni, Faiza Lilia Bentaleb, Dalil Brouri, Anna Proust, Franck Launay, Richard Villanneau

In this work, mesoporous materials based on inorganic/organic polyoxometalate (POMs) hybrids with the ability of further incorporating heterometallic lanthanum cations were designed. On the basis of the La3+ coordination to vacant organophosphonyle derivatives of POMs previously studied, herein…

Microporous and Mesoporous Materials, 2019, 287, pp.264-270. ⟨10.1016/j.micromeso.2019.06.004⟩. ⟨hal-02293090⟩

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Synthesis and Characterization of Temperature-Responsive N-Cyanomethylacrylamide-Containing Diblock Copolymer Assemblies in Water

Nicolas Audureau, Fanny Coumes, Clémence Veith, Clément Guibert, Jean-Michel Guigner, François Stoffelbach, Jutta Rieger

We have previously demonstrated that poly(N-cyanomethylacrylamide) (PCMAm) exhibits a typical upper-critical solution temperature (UCST)-type transition, as long as the molar mass of the polymer is limited, which was made possible through the use of reversible addition-fragmentation chain transfer…

Polymers, 2021, 13 (24), pp.4424. ⟨10.3390/polym13244424⟩. ⟨hal-03510495⟩

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Gold Nanorod Coating with Silica Shells Having Controlled Thickness and Oriented Porosity: Tailoring the Shells for Biosensing

Vincent Pellas, Juliette Blanchard, Clément Guibert, Jean-Marc Krafft, Antoine Miche, Michèle Salmain, Souhir Boujday

The coating of gold nanorods with a silica shell (AuNR@SiO2) is an effective way to extend their use in a wide variety of biomedical applications. A silica shell offers numerous advantages as it provides more stability, frees the surface from toxic cetyltrimethylammonium bromide (CTAB), and…

ACS Applied Nano Materials, 2021, 4 (9), pp.9842-9854. ⟨10.1021/acsanm.1c02297⟩. ⟨hal-03431921⟩

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Design and Optimization of a Magneto-Plasmonic Sandwich Biosensor for Integration within Microfluidic Devices

Mona Soroush, Walid Ait Ait Mammar, Axel Wilson, Hedayatollah Ghourchian, Michèle Salmain, Souhir Boujday

We designed a magneto-plasmonic biosensor for the immunodetection of antigens in minute sample volume. Both spherical gold nanoparticles (AuNP) and magnetic beads (MB) were conjugated to goat anti-rabbit IgG antibody (Ab) capable of recognizing a model target, rabbit IgG (rIgG). The AuNP…

Biosensors, 2022, 12 (10), pp.799. ⟨10.3390/bios12100799⟩. ⟨hal-03814285⟩

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Conducting polymer nanofibers with controlled diameters synthesized in hexagonal mesophases

Srabanti Ghosh, Laurence Ramos, Samy Remita, Alexandre Dazzi, Ariane Deniset-Besseau, Patricia Beaunier, Fabrice Goubard, Pierre-Henri Aubert, Hynd Remita

Oil-swollen hexagonal mesophases resulting from the surfactant mediated self-assembly of a quaternary mixture of water, surfactant, co-surfactant, and oil, are versatile templates to synthesize anisotropic nanomaterials. Poly(diphenylbutadyine) (PDPB) polymer nanofibrous network structures were…

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Relevant parameters for obtaining high-surface area materials by delamination of magadiite, a layered sodium silicate

Yunfei Bi, Jean-François Lambert, Yannick Millot, Sandra Casale, Juliette Blanchard, Shuangqin Zeng, Hong Nie, Dadong Li

Layered silicates can be used for the preparation of high surface area materials by intercalation with organic cations followed by ultrasonication. The relevant parameters for delamination (exfoliation) of cetyltrimethylammonium bromide exchange magadiite are investigated. Using a magadiite wet…

Journal of Materials Chemistry, 2011, 21, pp.18403-18411. ⟨10.1039/C1JM13108G⟩. ⟨hal-00668932⟩