Laboratoire de réactivité de surface

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  • Article dans une revue

Influence of preparation procedure on catalytic activity of PdBEA zeolites in aqueous phase hydrodechlorination of 1,1,2-trichloroethene

Izabela I. Kamińska, Dmytro Lisovytskiy, Sandra Casale, Anna Śrębowata, Stanislaw Dzwigaj

Pd-loaded BEA zeolites containing 1 wt % of Pd were prepared by a two-step postsynthesis method (PdSiBEA and PdSiAlBEA) and a conventional wet impregnation (PdHAlBEA). Modification of BEA zeolite resulted in the introduction of Pd ions into zeolite framework as pseudo-tetrahedral Pd(II) and extra-…

Microporous and Mesoporous Materials, 2017, 237, pp.65-73. ⟨10.1016/j.micromeso.2016.09.023⟩. ⟨hal-01375430⟩

  • 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⟩

  • Article dans une revue

Synthesis of Hybrid Polyphenol/Hydroxyapatite Nanomaterials with Anti-Radical Properties

Estelle Palierse, Sylvie Masse, Guillaume Laurent, Patrick Le Griel, Gervaise Mosser, Thibaud Coradin, Claude Jolivalt

Plant-derived natural bioactive molecules are of great therapeutic potential but, so far, their application in nanomedicine has scarcely been studied. This work aimed at comparing two methodologies, i.e., adsorption and in situ incorporation, to prepare hybrid polyphenol/hydroxyapatite…

Nanomaterials, 2022, 12 (20), pp.3588. ⟨10.3390/nano12203588⟩. ⟨hal-03819115⟩

  • Article dans une revue

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⟩

  • Article dans une revue

Kinetic effects in dehydration, rehydration, and isotopic exchange of bacterial photosynthetic reaction centers

Marco Malferrari, Francesco Francia, Alberto Mezzetti, Giovanni Venturoli, Klaus Gerwert

BACKGROUND:In IR difference spectroscopy of proteins and biological systems, as in many other biophysical techniques, experiments at different hydration levels, and after H/D or H216O/H218O exchange are particularly important, for band assignment and for mechanistic studies. OBJECTIVE:Evaluate the…

Biomedical Spectroscopy and Imaging, 2016, 5 (2), pp.185 - 196. ⟨10.3233/BSI-160136⟩. ⟨hal-01547861⟩

  • Article dans une revue

Biomineralization Patterns of Intracellular Carbonatogenesis in Cyanobacteria: Molecular Hypotheses

Jinhua Li, Isabel Margaret-Oliver, Nithavong Cam, Thomas Boudier, Marine Blondeau, Eric Leroy, Julie Cosmidis, Feriel Skouri-Panet, Jean-Michel Guigner, Céline Férard, Melanie Poinsot, David Moreira, Purificacion Lopez-Garcia, Corinne Cassier-Chauvat, Franck Chauvat, Karim Benzerara

The recent discovery of intracellular carbonatogenesis in several cyanobacteria species has challenged the traditional view that this process was extracellular and not controlled. However, a detailed analysis of the size distribution, chemical composition and 3-D-arrangement of carbonates in these…

Minerals, 2016, 6 (1), pp.10. ⟨10.3390/min6010010⟩. ⟨hal-01310553⟩

  • Article dans une revue

Polyoxometalate nanostructured gold surfaces for sensitive biosensing of benzo[a]pyrene

Dimitri Mercier, Maroua Ben Haddada, Maria Huebner, Dietmar Knopp, Reinhard Niessner, Michèle Salmain, Anna Proust, Souhir Boujday

We report the design of a polyoxometalate-nanostructured immunosensor for benzo[a]pyrene (B[a]P) detection. The organic–inorganic hybrid polyoxometalate (POM) (NBu4)3[PW11O39{(SiC6H4NH2)2O}] carrying two amine functions was covalently attached to a functionalized gold substrate to achieve a…

Sensors and Actuators B: Chemical, 2015, 209, pp.770-774. ⟨10.1016/j.snb.2014.12.015⟩. ⟨hal-01133052⟩

  • Chapitre d'ouvrage

Chimie : un vecteur vert

Jacques Maddaluno, Claire-Marie Pradier, Anne Imberty, Dominique Massiot

Les faits, longtemps sujets à discussion, sont désormais là. Le cinquième rapport du GIEC (2013) qualifie d'« extrêmement probable » un lien entre les dérèglements climatiques observés depuis 1950 et les variations de la composition de l'atmosphère terrestre provoqués par l'…

Bettina Laville, Stéphanie Thiébault, Agathe Euzeun. Quelles solutions face au changement climatique ?, CNRS-Editiion, pp.220-228, 2015, Quelles solutions face au changement climatique ?, 978-2-271-08924-3. ⟨hal-01227953⟩

  • Article dans une revue

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⟩

  • Article dans une revue

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⟩