• Article dans une revue

Tuning Surface Chirality of Adsorbed Gly-Pro Dipeptide/Cu(110) by Changing its Chemical Form via Electrospray Deposition.

Christophe Méthivier, Hervé Cruguel, Dominique Costa, Claire-Marie Pradier, Vincent Humblot

By changing the Ultra High Vacuum (UHV) deposition method, classical sublimation versus electrospray ionization, one can tune the chemistry of a chiral dipeptide molecule (Gly-Pro, GP), when adsorbed on a Cu(110) surface, from anionic to zwitterionic, respectively. This chemical shift will…

Langmuir, 2016, 32 (51), pp.13759-13763. ⟨10.1021/acs.langmuir.6b03553⟩. ⟨hal-01401619⟩

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Amplified plasmonic detection of DNA hybridization using doxorubicin-capped gold particles

Jolanda Spadavecchia, Ramesh Perumal, Alexandre Barras, Joël Lyskawa, Patrice Woisel, William Laure, Claire-Marie Pradier, Rabah Boukherroub, Sabine Szunerits

We show in this article that doxorubicin-modified gold nanoparticles (Au NP-DOX) can be used for the post-amplification of the wavelength shift of localized surface plasmon resonance (LSPR) signals after DNA hybridization events. We take advantage of the intercalation properties of DOX with guanine…

Analyst, 2013, 139, pp.157-164. ⟨10.1039/c3an01794j⟩. ⟨hal-01044451⟩

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Targeted polyethylene glycol gold nanoparticles for the treatment of pancreatic cancer: from synthesis to proof-of-concept in vitro studies

Jolanda Spadavecchia, Dania Movia, Caroline Moore, Ciaran Manus Maguire, Hanane Moustaoui, Sandra Casale, Yuri Volkov, Adriele Prina-Mello

The main objective of this study was to optimize and characterize a drug delivery carrier for doxorubicin, intended to be intravenously administered, capable of improving the therapeutic index of the chemotherapeutic agent itself, and aimed at the treatment of pancreatic cancer. In light of this…

International Journal of Nanomedicine, 2016, 2016 (11), pp.791-822 ⟨10.2147/IJN.S97476⟩. ⟨hal-01291435⟩

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Polyethylene glycol Gold-Nanoparticles: Facile Nanostructuration of Doxorubicin and its complex with DNA molecules for SERS detection

Jolanda Spadavecchia, Ramesh Perumal, Sandra Casale, Jean-Marc Krafft, Christophe Methivier, Claire-Marie Pradier

We report the synthesis of dicarboxylic acid-terminated polyethylene-glycol (PEG)-gold nanoparticles by a simple one-step method, and their further use to form nanostructured surfaces for biomolecule immobilization. The synthesized nano-scale particles were conjugated with probe/target…

Chemical Physics Letters, 2016, 648, pp.182-188. ⟨10.1016/j.cplett.2015.08.038⟩. ⟨hal-01196383⟩

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Comparing Al-SBA-15 Support and Pt/Al-SBA-15 Catalyst: Changes in Al Speciation and Acidic Properties Induced by the Introduction of Pt via Aqueous Medium

Soraya Handjani, Stanislaw Dzwigaj, Juliette Blanchard, E. Marceau, Jean-Marc Krafft, Michel Che

Topics in Catalysis, 2009, 52 (4), pp.334-343. ⟨10.1007/s11244-008-9177-x⟩. ⟨hal-03032175⟩

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Supramolecular Self‐Assembly and Organization of Collagen at Solid/Liquid Interface: Effect of Spheroid‐ and Rod‐Shaped TiO 2 Nanocrystals

Mathieu Beauvais, Thomas Degabriel, Nesrine Aissaoui, Vincent Dupres, Elodie Colaço, Karim El Kirat, Rute F Domingos, Dalil Brouri, Claire‐marie Pradier, Jolanda Spadavecchia, Jessem Landoulsi

The adsorption behavior of collagen on solid surfaces is a process that determines the role of this protein to mediate cell–material interaction. Herein, the mechanism of self‐assembly and organization of collagen on a model substrate is investigated in the presence of TiO2 nanoparticles. In…

Advanced Materials Interfaces, 2019, 6 (14), pp.1900195. ⟨10.1002/admi.201900195⟩. ⟨hal-02391527⟩

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Microwave frequency behavior of the EPR copper(II) ion pairs spectrum formed in the CuCe oxide

Antoine Aboukais, Abdelrhani Bennani, Cossi Faustin Aissi, Michel Guelton, Jacques C. Vedrine

Chemistry of Materials, 1992, 4, pp.977-979. ⟨10.1021/cm00023a008⟩. ⟨hal-00006212⟩

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A combined experimental and theoretical study of the simultaneous occupation of SIa and SI0 sites in fully dehydrated K-LSX

Hazar Guesmi, Pascale Massiani, Habiba Nouali, Jean-Louis Paillaud

In the case of fully potassium exchanged X and LSX faujasites, it was reported from a single crystal X-ray study on zeolite X and preliminary powder X-ray diffraction (PXRD) study on zeolite LSX that K+ ions can be found concomitantly in both sites I and I' with partial or full occupancy of…

Microporous and Mesoporous Materials, 2012, 159, pp.87-95. ⟨10.1016/j.micromeso.2012.04.011⟩. ⟨hal-01054894⟩

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Time-resolved infrared spectroscopy in the study of photosynthetic systems.

Alberto Mezzetti, Winfried Leibl

Time-resolved (TR) infrared (IR) spectroscopy in the nanosecond to second timescale has been extensively used, in the last 30 years, in the study of photosynthetic systems. Interesting results have also been obtained at lower time resolution (minutes or even hours). In this review, we first…

Photosynthesis Research, 2017, 131 (2), pp.121-144. ⟨10.1007/s11120-016-0305-3⟩. ⟨hal-01451714⟩

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Effect of the preparation method and of the vanadium content on the physicochemical and surface properties of vanadium–magnesium-based catalysts for the selective oxidation of n -butane

Samira Slyemi, Juliette R Blanchard, Siham Barama, Akila Barama, Hassiba Messaoudi, Sandra Casale, Christophe Calers, Zaher Ihdene

Two series of V–Mg–O catalysts with vanadium contents of 30 and 60 wt % were synthesized using sol–gel (SG) and wet impregnation (IMP). The elaborated catalysts were characterized by X-ray diffraction, Fourier transform infrared, X-ray fluorescence, Brunauer–Emmett–Teller, NH3–temperature-…

Comptes Rendus. Chimie, 2017, 20 (11-12), pp.1062 - 1071. ⟨10.1016/j.crci.2017.08.002⟩. ⟨hal-01739904⟩