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Affichage des publications 521 à 530 sur 955 au total

Sciences du Vivant

Convergent synthesis and properties of photoactivable NADPH mimics targeting nitric oxide synthases

A new series of photoactivable NADPH mimics bearing one or two O-carboxymethyl groups on the adenosine moiety have been readily synthesized using click chemistry. These compounds display interesting one- or two-photon absorption properties. Their…

N. -H. Nguyen, Nicolas Bogliotti, R. Chennoufi, E. Henry, P. Tauc, E. Salas, L. J. Roman, Anny Slama-Schwok, E. Deprez, Joanne Xie

Organic & Biomolecular Chemistry -

Chimie organique

Triphenylphosphine Photorelease and Induction of Catalytic Activity from Ruthenium-Arene Complexes Bearing a Photoswitchable o-Tosylamide Azobenzene Ligand

The reactivity of cationic arene ruthenium complexes bearing photoswitchable o-tosylamide azobenzene ligand towards various phosphorus nucleophiles was investigated. The resulting phosphine-ruthenium complexes containing azobenzene ligand were…

Claire Deo, Nicolas Bogliotti, Pascal Retailleau, Juan Xie

Organometallics -

ou physique

Can betaine pyridinium derivatives be used to control the photoejection of cation ?

Using a combination of advanced DFT/TDDFT calculations together with ultrafast and stationary spectroscopies we have investigated the photochemistry and cationic complexation ability of 1-pyridinio-benzimidazolate (PyB) and analogs substituted by 15…

S. Aloïse, Y. Ruan, I. Hamdi, A.K. Tiwari, G. Buntinx, C. Azarias, A. Perrier, I. Leray

Physical Chemistry Chemical Physics -

ou physique

In situ kinetics study of the formation of organic nanoparticles by fluorescence lifetime imaging microscopy (FLIM) along a microfluidic device

In this study, a three-dimensional hydrodynamic focusing microfluidic method is presented that allows full control of the nano-precipitation process of adamantyl mesityl BODIPY (4,4-difluoro-3,5-di-(adamantyl)-8-mesityl-4-bora-3a,4a-diaza-s-indacene…

Yuanyuan Liao, Valérie Génot, Jean-Frédéric Audibert, Robert B. Pansu

Microfluidics and Nanofluidics -

Physique

A Highly Selective Potassium Sensor for the Detection of Potassium in Living Tissues

The development of highly selective sensors for potassium is of great interest in biology. Two new hydrosoluble potassium sensors (Calix-COU-Alkyne and Calix-COU-Am) based on a calix[4]arene bis(crown-6) and an extended coumarin were synthesized and…

Alexis Depauw, Elena Dossi, Naresh Kumar, Céline Fiorini-Debuisschert, Gilles Huberfeld, Minh-Huong Ha-Thi, Nathalie Rouach, Isabelle Leray

Chemistry - A European Journal -

Chimie-Physique

Kinetic study of azobenzene E/Z isomerization using ion mobility-mass spectrometry

IntroductionAzobenzene molecular switches can interconvert both photochemically and thermally. Due to their important development, their fast identification has become a challenge. Usually identified using UV-VIS spectrophotometry, we propose…

Salomé Poyer, Claire Deo, Nicolas Bogliotti, Juan Xie, Jean-Yves Salpin

21st International Mass Spectrometry Conference -

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