منابع مشابه
Red luminescence in calix[4]arene-europium hybrid material
Inorganic-organic hybrid material based on Eu and calix[4]arene bearing four carboxylic acid groups has been synthesized via hydro(solvo)thermal method assisted by microwave irradiation. The obtained sample was characterized by FT-IR, PXRD, SEM and photoluminescence. The results showed the formation of coordination polymer with low symmetry around Eu ion. The monoexponential luminescence decay ...
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In this paper, we report on the luminescence of europium by directly exciting europium ions with visible light in aqueous medium. Upon replacing all the water molecules that coordinate around a central europium ion with a ditopic ligand 1,11-bis(2,6-dicarboxypyridin-4-yloxy)-3,6,9-trioxaundecane (L2EO4), the quenching from water molecules is efficiently eliminated, offering considerable europiu...
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A chemoselective sensor for the citrate anion has been devised, based on a new europium complex that offers ratiometric analysis of the long-lived emission.
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The luminescent Eu complex, DTBTA-Eu, is highly stable in terms of ligand-metal dissociation, and can be labelled to amino groups of proteins and other bio-molecules. Owing to the long lifetime of Eu luminescence, time-resolved measurement of DTBTA-Eu removes background fluorescence and enhances the sensitivity of the labelled materials. This property was applied to time-resolved luminescence m...
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Ratiometric methods of analysis have been developed for the selective determination of lactate or citrate in microlitre samples of human serum, urine or prostate fluids following comparison of anion binding affinities for a family of nine luminescent europium(III) complexes.
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ژورنال
عنوان ژورنال: Radiation Measurements
سال: 2016
ISSN: 1350-4487
DOI: 10.1016/j.radmeas.2016.02.012