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Affichage des publications 331 à 340 sur 980 au total

Chimie-Physique

Intertwined detection and recognition roles of tetrazine in synergistic anion‐π and H‐bond based anion receptor

The intrinsic properties of tetrazine as a pi-anion receptor and as an on/off recognition probe merged with H-bond ability of an urea motif into a single architecture designs a new generation of well-defined anion receptors. Complexation properties…

Romain Plais, Guy Gouarin, Anne Gaucher, Violette Haldys, Arnaud Brosseau, Gilles Clavier, Jean-Yves Salpin, Damien Prim

ChemPhysChem -

Chimie

Mutual influence of gold and silver nanoparticles on Tris-(2,2′bipyridine)-Ru(II) core complexes: Post-functionalization processes, optical and electrochemical investigations

The synthesis, reactivity and properties of a series of four polypyridyl ruthenium complexes have been studied. These complexes were used to post-functionalize preformed 3 nm silver and gold nanoparticles (NPs) in water and in dichloromethane (DCM)…

Frédéric Dumur, Audrey Guerlin, Anaïs Lehoux, P.R. Selvakannan, Fabien Miomandre, Rachel Méallet-Renault, Mateusz Rebarz, Michel Sliwa, Eddy Dumas, Loic Le Pleux, Yann Pellegrin, Fabrice Odobel, Cédric Mayer

Applied Surface Science -

Science des matériaux

Nanoscale 3D quantitative imaging of 1.88 Ga Gunflint microfossils reveals novel insights into taphonomic and biogenic characters

Precambrian cellular remains frequently have simple morphologies, micrometric dimensions and are poorly preserved, imposing severe analytical and interpretational challenges, especially for irrefutable attestations of biogenicity. The 1.88 Ga…

Lara Maldanis, Keyron Hickman-Lewis, Mariana Verezhak, Pierre Gueriau, Manuel Guizar-Sicairos, Plínio F. Jaqueto, R. I.F. Trindade, A. L. Rossi, Felisa Berenguer, Frances Westall, Loïc Bertrand, Douglas Galante

Scientific Reports -

Chimie analytique

Kinetic study of azobenzene E/Z isomerization using ion mobility-mass spectrometry and liquid chromatography-UV detection

Z and E azobenzene isomers are molecular switches which can interconvert both photochemically and thermally. Presently, we studied a ketal-substituted bridged azobenzene in which two stable diastereomeric conformers (Z1 and Z2) photochemically…

Salomé Poyer, Chang Min Choi, Claire Deo, Nicolas Bogliotti, Juan Xie, Philippe Dugourd, Fabien Chirot, Jean-Yves Salpin

Analyst -

Polymères

Fluorescent Copolymers for Bacterial Bioimaging and Viability Detection

Novel fluorescent labels with high photostability and high biocompatibility are required for microbiological imaging and detection. Here, we present a green fluorescent polymer chain (GFPC), designed to be nontoxic and water-soluble, for multicolor…

Yang Si, Chloé Grazon, Gilles Clavier, Jutta Rieger, Yayang Tian, Jean-Frédéric Audibert, Bianca Sclavi, Rachel Méallet-Renault

ACS Sensors -

Science des matériaux

Naviguer dans la toile : imagerie 3D de textiles minéralisés du site de Nausharo (première moitié du IIIe millénaire av. J.-C.)

Les textiles sont périssables dans la plupart des environnements archéologiques. L’un des principaux processus conduisant à la préservation exceptionnelle de leur morphologie résulte du contact avec un objet métallique, un phénomène connu sous le…

Jiayi Li, Mathieu Thoury, Aurore Didier, Christophe Moulherat, Luc Robbiola, Andrew King, Cécile Fossé, Corentin Reynaud, Marta Bellato, Ariane Thomas, Loïc Bertrand

Technè -

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