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Affichage des publications 21 à 30 sur 863 au total

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 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 -

Chimie

Lanthanide MOF-based luminescent sensor arrays for the detection of castration-resistant prostate cancer curing drugs and biomarkers

In recent years, castration-resistant prostate cancer (CRPC) has profoundly impacted the lives of many men, and early diagnosis of medication and illness is crucial. Therefore, a highly efficient detection method for CRPC biomarkers and curing drugs…

Xinrui Wang, Karuppasamy Gopalsamy, Gilles Clavier, Guillaume Maurin, Bin Ding, Antoine Tissot, Christian Serre

Chemical Science -

Chimie

C 3 ‐Symmetric Luminescent Diketone with Amido‐Linkage as a Polymorphic Fluorescence Emitter

Abstract The study introduces a novel C 3 ‐symmetric β‐diketone compound, BTA‐D3 , and its monomeric counterpart, D , with a focus on their synthetic procedure, photophysical properties and aggregation behavior. Both compounds exhibit characteristic…

Shiho Katsumi, Yusuke Kugai, Marine Louis, Tsumoru Morimoto, Mihoko Yamada, Stéphane Maisonneuve, Chigusa Goto, Rémi Métivier, Tsuyoshi Kawai, Clémence Allain

Chemistry - A European Journal -

Chimie

Acid-sensitive photoswitches: towards catalytic on-demand release of stored light energy

Photochromic compounds are promising for a variety of applications, including molecular solar thermal (MOST) energy storage. The energy release step and cyclability are critical issues to be addressed for the development of this technology. We…

Léa Chocron, Nicolò Baggi, Enrique Ribeiro, Vincent Goetz, Pei Yu, Keitaro Nakatani, Rémi Métivier

Chemical Science -

Chimie

Carbon Dot Synthesis in CYTOP Optical Fiber Using IR Femtosecond Laser Direct Writing and Its Luminescence Properties

Luminescent carbon dots (CDs) were locally synthesized in the core of CYTOP fibers using IR femtosecond laser direct writing (FLDW), a one-step simple method serving as a post-treatment of the pristine fiber. This approach enables the creation of…

Ruyue Que, Jean-Frédéric Audibert, Enrique Garcia-Caurel, Olivier Plantevin, Kyriacos Kalli, Matthieu Lancry, Bertrand Poumellec, Robert Bernard Pansu

Nanomaterials -

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