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Affichage des publications 1 à 10 sur 985 au total

Chimie

Politique d'accès à équipement

Ce document décrit le dispositif de microscopie Raman à balayage ACANAR, construit dans le cadre du projet ACANAR (Approche Corrélative pour l'Analyse Rapide d'Échantillons Fossiles et Archéologiques), du DIM PAMIR. Ce projet vise à développer une…

Vitor Brasiliense

Chimie organique

Metal‐Ion Regulated Light‐Free Z→E Isomerization of Azobenzene Glycomacrocycle

We reported a 26‐membered azobenzene‐embedded glycomacrocycle, that undergoes metal‐ion‐mediated, light‐free Z→E isomerization across an unprecedented kinetic spanning from seconds (Cu2+) to weeks (Co2+). The macrocycle was synthesized via an…

Yang Zhou, Jinbiao Jiao, Mathieu Lordez, Jean‐yves Salpin, Juan Xie

Chemistry - A European Journal -

Autre

CO 2 ‐to‐CO Electrochemical Conversion With an Fe(I) Porphyrin Complex in Water

Iron porphyrin complexes constitute a well‐established and versatile class of molecular electrocatalysts for the reduction of CO2 to CO. In both organic and aqueous media, the reaction mechanism is typically proposed to involve the interaction of…

Andrew Howe, Aude Salamé, Ulysse Garnier, Marc Robert, Elodie Anxolabéhère‐mallart, Mun Hon Cheah

Angewandte Chemie International Edition -

Science des matériaux

From molecular design to optical anisotropy: orientation control in BODIPY Langmuir‐Blodgett films

Molecular orientation within ultrathin films is a critical factor in controlling their optical and electronic properties for surface‐based photonics and optoelectronics. In this study, we examine two amphiphilic boron‐dipyrromethene (BODIPY)…

Lilia Huynh, Jason Bessonnet, Lucas Frédéric, Céline Fiorini-Debuisschert, Simon Vassant, Hélène Fensterbank, Emmanuel Allard, David Kreher, Fabrice Charra, Nicolas Fabre

Advanced Optical Materials -

Education

The French-Speaking Chemists’ Tournament: A Laboratory-Based Team Debate Competition to Foster Research Skills through Challenge-Based Learning

In the context of teaching laboratory skills, research-and challenge-based approaches are increasingly valued for fostering inquiry, collaboration, and authentic (real-world context) problemsolving. The Tournoi Francophone des Chimistes (French…

Jonathan Piard, Clément Guibert, Allison Wustrow, Bruno Sécordel, Anna Clavel, Pierre Benech, Simon Delacroix, Manon Leconte, Vincent Wieczny

Journal of Chemical Education -

Chimie

Influence of electron-accepting groups on the development of acridan-based two-photon fluorophores for cellular bioimaging

A series of nine acridan-based fluorophores featuring various electron-accepting moieties was designed and synthesized to investigate structure–property relationships governing their one- and two-photon photophysical properties. The synthetic…

Léna Atlan, Delphine Naud-Martin, Aurélie Rodriguez, Frédéric Bolze, Gaelle Fontaine, Gilles Clavier, Florence Mahuteau-Betzer, Kévin Renault

Dyes and Pigments -

Acoustique

Quantifying nanoparticle size effect on the photoacoustic generation efficiency

Photoacoustic (PA) signal generation in colloidal suspensions of optically absorbing nanoparticles is dominated by the thermal expansion of water for gold nanoparticles, but remains mostly unexplored for organic nanoparticles. Here, we derive a…

Arthur Billon, Sarah Boumati, Lorenzo Mancini, Charaf Eddine Benaddi, Elise Michel, Clément Linger, Colin Schotté, Rachel Méallet, Frédéric Gobeaux, Gilles Clavier, Nicolas Tsapis, Jérôme Gateau

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