Lanthanide fluorobenzoates as bio-probes: a quest for the optimal ligand fluorination degree

Авторы: Alena Kalyakina, Valentina Utochnikova, Bushmarinov Ivan S., Le-Deygen Irina M., Daniel Volz, Patrick Weis, Ute Schepers, Natalia Kuzmina, Stefan Bräse
Журнал: Chemistry - A European Journal
Год издания: 2017
Издательство: John Wiley & Sons Ltd.
Местоположение издательства: United Kingdom
DOI: 10.1002/chem.201703543
Аннотация: We report the thorough study of fluorinated benzoates of lanthanides (Eu, Tb, Nd, Er, Yb, Gd, La, Lu). Their composition in single crystal and powder state revealed two predominant structural motifs. An in-depth luminescence study has been performed on the reported fluorobenzoates, showing, that terbium and europium complexes in solid state possess high luminescence intensity with the quantum yield up to 69%. High solubility in most organic solvents as well as in water combined with the high luminescence intensity in water solution and non-toxicity allowed testing europium complexes as bioprobes in cellulo. Among all tested fluorobenzoates, europium 2-fluorobenzoate dihydrate combined the best luminescent properties, thermodynamic stability, aqueous solubility, and non-toxicity, and shown to be a viable bio-marker.
Добавил в систему: Ле-Дейген Ирина Михайловна

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