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Your search keyword '"Jean Ernest Sohna Sohna"' showing total 3 results
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3 results on '"Jean Ernest Sohna Sohna"'

1. Sensitized luminescence emission of the europium(III) ion bound to a pyrene-containing triacid ligand

Author

Jean-Ernest Sohna Sohna and Frédéric Fages

Subjects
Lanthanide, Ligand, Organic Chemistry, chemistry.chemical_element, Chromophore, Photochemistry, Biochemistry, Metal, chemistry.chemical_compound, chemistry, Excited state, visual_art, Drug Discovery, visual_art.visual_art_medium, Pyrene, Luminescence, Europium
Abstract

A pyrene-tethered triacid receptor and its chelates with two lanthanide(III) metal cations have been synthesized. The first example of energy transfer taking place from the excited pyrene chromophore to the europium(III) metal is reported therein.

Published
1997
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2. Zinc(II)-driven Fluorescence Quenching of a Pyrene-labelled Bis-2,2′-bipyridine Ligand

Author

Jean-Ernest Sohna Sohna, Pascale Jaumier, and Frédéric Fages

Subjects
Quenching (fluorescence), Chemistry, Ligand, 010405 organic chemistry, chemistry.chemical_element, Zinc, General Chemistry, Photochemistry, 010402 general chemistry, Fluorescence, 01 natural sciences, 2,2'-Bipyridine, 0104 chemical sciences, chemistry.chemical_compound, Pyrene, Methanol
Abstract

The title compound has been synthesized and its fluorescence emission is quenched upon complexation of the Zn2+ in methanol solution.

Published
1999
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3. A trisbipyridine tripodal ligand as toluene gelator. Phase transition-triggered binding of iron(ii)

Author

Frédéric Fages and Jean-Ernest Sohna Sohna

Subjects
Phase transition, Ligand, Binding properties, Metals and Alloys, General Chemistry, Photochemistry, Toluene, Catalysis, Surfaces, Coatings and Films, Electronic, Optical and Magnetic Materials, chemistry.chemical_compound, chemistry, Tripodal ligand, Materials Chemistry, Ceramics and Composites
Abstract

The formation of a physical gel with toluene is reported for a trisbipyridine ligand which exhibits iron(II) binding properties triggered by the gel-to-liquid phase transition.

Published
1997
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