Spectroscopic Characterization of Eu(III) Complexes with New Monophosphorus Acid Derivatives of H4dota
| Autor: | Josef Havel, Ivan Lukeš, Zbigniew Hnatejko, Stefan Lis, Ivona Svobodová, Petr Táborský, Premysl Lubal, Petr Hermann, Michaela Försterová |
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| Rok vydání: | 2005 |
| Předmět: |
Empirical equations
Lanthanide probes Sociology and Political Science Clinical Biochemistry Inorganic chemistry chemistry.chemical_element Biochemistry Clinical Psychology chemistry.chemical_compound chemistry Physical chemistry Molecule DOTA Europium Spectroscopy Luminescence Law Social Sciences (miscellaneous) |
| Zdroj: | Journal of Fluorescence. 15:507-512 |
| ISSN: | 1573-4994 1053-0509 |
| Popis: | The luminescence lifetimes of europium(III) complexes with new monophosphorus acid derivatives of H(4)dota were measured by means of time-resolved laser-induced luminescence spectroscopy in H(2)O and D(2)O. The hydration numbers of these complexes were estimated using different empirical equations [Horrocks and Sudnick (1979) J. Am. Chem. Soc. 101 (1979) 334; Choppin and Barthelemy(1989) Inorg. Chem. 28, 3354-3357; Choppin and Bünzli Lanthanide probes in life, chemical and earth sciences. Theory and practice (1989); Kimura and Kato J. Alloys Comp. 275-277 (1998) 806; Parker (1999) J. Chem. Soc., Perkin Trans. 2, 493-503; Supkowski and Horroks (2002) Inorg. Chim. Acta. 340, 44-48]. It was shown that all the relationships gave similar results with a satisfactory precision. The hydration numbers of complexes of H(3)do3a and H(4)dota agreed with the literature values. One water molecule is coordinated in complexes of the new ligands. The results showed that the Choppin formula based on measurements only in H(2)O can be satisfactorily used for estimation of the hydration numbers. |
| Databáze: | OpenAIRE |
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