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Affichage des publications 41 à 50 sur 881 au total

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 -

Chimie

Mechanofluorochromism and self-recovery of alkylsilylpyrene-1-carboxamides

A family of (alkylsilyl)pyrene-1-carboxamides exhibits similar mechanofluorochromic responses upon grinding. However, their spontaneous fluorescence recovery processes are distinct despite their similarity in chemical structures and crystal packings…

Yuichi Hirai, Anna Wrona-Piotrowicz, Janusz Zakrzewski, Magdalena Ciechańska, Takahito Ohmura, Takashi Takeda, Takayuki Nakanishi, Rémi Métivier, Clémence Allain

Journal of Materials Chemistry C -

Héritage culturel et muséologie

Heritage research at the PUMA beamline

The PUMA beamline, created for the heritage community and accessible by all fields of science, welcomed its first users in 2019. Its optical layout uses a horizontal focusing mirror to prefocus the light emitted from the wiggler source for the…

S. Schöder, Katharina Müller, Laurent Tranchant, Angélique Rouquié, Pierre Gueriau, Mathieu Thoury, Emilie Bérard, Tulin Okbinoglu, Felisa Berenguer, Clémence Iacconi, Luc Robbiola, Thierry Moreno, Serge X. Cohen, Loïc Bertrand

Applied physics. A, Materials science & processing -

Chimie

Synthesis and Characterization of a [1,2,6]Diazaphosphonine Oxide: An Example of a Photoswitchable Phosphorus-Containing Cyclic Azobenzene

We report herein the synthesis and characterisation of a phosphorus-containing cyclic azobenzene, as a new photoswitchable scaffold. This backbone reveals high bidirectional photoswitching yields and high thermal stability of both isomers, with t1/2…

Nawel Goual, Stéphane Maisonneuve, Pascal Retailleau, Juan Xie, Angela Marinetti, Arnaud Voituriez

Journal of Organic Chemistry -

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