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Affichage des publications 581 à 590 sur 864 au total

ou physique

Gold and Silver Nanoparticles Functionalized by Luminescent Iridium Complexes: Synthesis and Photophysical and Electrofluorochromic Properties

Gold and silver nanoparticles in the 5 nm range functionalized by luminescent and electroactive iridium complexes are synthesized and characterized. Cyclometalated iridium complexes with a modified phenanthroline ligand bearing a pyridine end group…

Fabien Miomandre, Stefka Stancheva, Jean-Frédéric Audibert, Arnaud Brosseau, Robert Bernard Pansu, Marc Lepeltier, R. Mayer Cedric

Journal of Physical Chemistry C -

Sciences du Vivant

An intrinsically fluorescent glycoligand for direct imaging of ligand trafficking in artificial and living cell systems

Glycoligands, sugar-based molecules able to complex metal cations, constitute a new class of molecules with great potential for biological and biochemical applications. To analyze their behaviour in a biological environment, we have synthesized an…

Ludivine Garcia, Mirca Lazzaretti, Antoine Diguet, Francesca Mussi, Franco Bisceglie, Juan Xie, Giorgio Pelosi, Annamaria Buschini, Damien Baigl, Clotilde Policar

New Journal of Chemistry -

Chimie

Photoactive chelating organic nanospheres as central platforms of bimodal hybrid nanoparticles

An innovative approach based on the combination of pre-formed nano-objects using photoactive chelating organic nano-platforms has been developed to elaborate hybrid functional nanoparticles. In this way, original “raspberry-like” structures made of…

Adrien Faucon, Jérôme Fresnais, Arnaud Brosseau, Philippe Hulin, Steven Nedellec, Julie Hemez, Eléna Ishow

Journal of Materials Chemistry C -

Polymères

Reversible Quenching of a Chromophore Luminescence by Color Transition of a Polydiacetylene

A new reactive diacetylene molecule has been synthesized, incorporating a strongly luminescent chromophore, tetrazine (Tz). It readily polymerizes into the blue polydiacetylene (PDA) form, quenching the Tz luminescence already at concentrations ≤1 %…

Thierry Barisien, Jean-Louis Fave, Sophie Hameau, Laurent Legrand, Michel Schott, Jérémy Malinge, Gilles Clavier, Pierre Audebert, Clémence Allain

ACS Applied Materials & Interfaces -

Physique Nucléaire Expérimentale

Study and understanding of n/γ discrimination processes in organic plastic scintillators

For 50 years, it was assumed that unlike liquid scintillators or organic crystals, plastic scintillators were not able to discriminate fast neutrons from gamma. In this work, we will demonstrate that triplet-triplet annihilations (which are…

Matthieu Hamel, Pauline Blanc, Licinio Rocha, Stéphane Normand, R. Pansu

Proc. SPIE 8710, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XIV -

Science des matériaux

Fluorescent carboxylic and phosphonic acids: comparative photophysics from solution to organic nanoparticles

Phosphonic and carboxylic fluorescent nanoparticles have been fabricated by direct reprecipitation in water. Their fluorescence properties strongly differ from those of the corresponding esters where strong H-bonding formation is prohibited…

Adrien Faucon, Romaric Lenk, Julie Hemez, Eric Gautron, Denis Jacquemin, Jean-Yves Le Questel, Jérôme Graton, Arnaud Brosseau, Eléna Ishow

Physical Chemistry Chemical Physics -

Autre

LipImage™ 815: novel dye-loaded lipid nanoparticles for long-term and sensitive in vivo near-infrared fluorescence imaging.

A new contrast agent, LipImage™ 815, has been designed and compared to previously described indocyanine green (ICG)-loaded lipid nanoparticles (ICG-lipidots®). Both contrast agents display similar size (50-nm diameter), zeta potential, high IC50 in…

Aurélie Jacquart, Michelle Kéramidas, Julien Vollaire, Raphaël Boisgard, Géraldine Pottier, Emilie Rustique, Frédérique Mittler, Fabrice P Navarro, Jérôme Boutet, Jean-Luc Coll, Isabelle Texier

Journal of Biomedical Optics -

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