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Affichage des publications 11 à 20 sur 855 au total

Chimie

Domaine de recherche et d’innovation majeur (DIM) Patrimoines matériels — innovation, expérimentation, résilience (PAMIR)

Le Domaine de recherche et d’innovation majeur (DIM) Patrimoines matériels — innovation, expérimentation, résilience (PAMIR) est le réseau de recherche francilien dédié à l’étude des sciences du patrimoine. En 2022, le Groupe de travail « Recherche…

Ann Bourgès, Jacques Cuisin, Pauline Hélou-de la Grandière, Barbara Jouves-Hann, Delphine Morana Burlot, Gaëlle Pichon-Meunier, Olivier Rolland, Sophie David, Loïc Bertrand

Conservation, Exposition, Restauration d'Objets d'Art -

Chimie

Polyaromatic Cyclophanes Design and their Related Optical Properties

Abstract In this article, we present several organic synthetic way to synthesize a family of five polyaromatic molecules based on a cyclophane core. Our strategies revolves around palado‐catalyzed substitution on a [2.2]paracyclophane (pCp) building…

Oumou Diallo, Jean‐frédéric Audibert, Isabelle Leray, David Kreher, Guillaume Bertrand

ChemistryOpen -

Chimie

Sonocrystallization induced thermally activated delayed fluorescence via distortion of molecular geometry

We present a donor–acceptor molecule Phx-BzN which displays virtually no photoluminescence in solution but shows strong thermally activated delayed fluorescence (TADF) in form of microcrystals obtained by sonicating water suspension of the compound.

Antonio Maggiore, Yangyang Qu, Piotr Pander, Fernando Dias, Gilles Clavier, Regis Guillot, Davide Altamura, Cinzia Giannini, Vincenzo Maiorano, Pierre Audebert, Fabien Miomandre

Journal of Materials Chemistry C -

Chimie organique

Synthesis and Photophysical Properties of 4’‐5’ Disubstituted CinNapht Dyes Accessible through Double SNAr Late‐Stage Functionalization

This article describes the synthesis of a difluorinated CinNapht derivative in the 4′ and 5′ positions allowing the easy access to two new families of fluorophores by late‐stage functionalization using SNAr. The first one comprises derivatives…

Eléonore Tacke, Lilian Estaque, Minh-Duc Hoang, P. Durand, Gilles Clavier, Grégory Pieters, Arnaud Chevalier

Chemistry - A European Journal -

Chimie

Control of Dynamic Chirality in Donor‐Acceptor Fluorophores

Recently, the control of dynamic chirality has emerged as a powerful strategy to design chiral functional materials. In this context, we describe herein a molecular design in which a tethered configurationally stable binaphthyl chiral unit…

Max Coehlo, Lucas Frédéric, Laurélie Poulard, Nawal Ferdi, Lilian Estaque, Alaric Desmarchelier, Gilles Clavier, Jean-Pierre Dognon, Ludovic Favereau, Michel Giorgi, Jean-Valère Naubron, Grégory Pieters

Angewandte Chemie International Edition -

Chimie analytique

Discovery of pararealgar and semi-amorphous pararealgar in Rembrandt's The Night Watch: analytical study and historical contextualization

Abstract This article reports on the discovery of pararealgar and semi-amorphous pararealgar in Rembrandt's masterpiece The Night Watch . A large-scale research project named Operation Night Watch was started in 2019 . A variety of non-invasive…

Nouchka de Keyser, Fréderique Broers, Frederik Vanmeert, Annelies van Loon, Francesca Gabrieli, Steven de Meyer, Arthur Gestels, Victor Gonzalez, Erma Hermens, Petria Noble, Florian Meirer, Koen Janssens, Katrien Keune

Heritage Science -

Sciences du Vivant

TCTP regulates genotoxic stress and tumorigenicity via intercellular vesicular signaling

Oncogenic intercellular signaling is regulated by extracellular vesicles (EVs), but the underlying mechanisms remain mostly unclear. Since TCTP (translationally controlled tumor protein) is an EV component, we investigated whether it has a role in…

Robert Amson, Andrea Senff Ribeiro, Teele Karafin, Alexandra Lespagnol, Joane Honoré, Virginie Baylot, Josette Banroques, N Kyle Tanner, Nathalie Chamond, Jordan Dimitrov, Johan Hoebeke, Nathalie Droin, Bastien Job, Jonathan Piard, Ulrich-Axel Bommer, Kwang-Wook Choi, Sara Abdelfatah, Thomas Efferth, Stephanie Telerman, Felipe Correa Geyer, Jorge Reis-Filho, Adam Telerman

EMBO Reports -

Chimie

Cascade Fluorescence Modulation in Photochromic Microcapsules

Certain derivatives of terarylene are able to undergo a highly efficient oxidative cycloreversion cascade effect, a ring opening reaction with quantum yields above unity, resulting in a colored-to-colorless transition in solution. In the presence of…

Magin Benedict Ferrer, Daiyu Harada, Colin Martin, Rémi Métivier, Clémence Allain, Keitaro Nakatani, Marine Louis, Noriaki Kawaguchi, Takayuki Yanagida, Kazuma Yasuhara, Tsuyoshi Kawai

ACS Applied Materials & Interfaces -

Chimie

Tuning the Thermal Stability of Tetra ‐ o– chloroazobenzene Derivatives by Transforming Push‐Pull to Push‐Push Systems

Molecular photoswitches provide interesting tools to reversibly control various biological functions with light. Thanks to its small size and easy introduction into the biomolecules, azobenzene derivatives have been widely employed in the field of…

Nawel Goual, Rémi Métivier, Guillaume Laurent, Pascal Retailleau, Keitaro Nakatani, Juan Xie

Chemistry - A European Journal -

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