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Proceedings Paper

Femtosecond laser spectroscopy of europium complexes in solutions
Author(s): Georgi B. Hadjichristov; Ivan L. Stefanov; Stanislav S. Stanimirov; Ivan K. Petkov
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Paper Abstract

The luminescence response of a new coordination complex of europium Eu(III) ion, namely tris[4,4,4-trifluoro-1-(2-thienyl)-1,3-butanediono]Eu(III) 1,4-diaza-bicyclo[2.2.2]octane, applicable in microbiology, biochemistry and molecular biology, is probed upon ultra-high intensity photo-excitation with high-power femtosecond laser pulses. The use of laser light source with ultrashort and high-power pulses should increase by many orders of magnitude the intensity of photoexcitation, and therefore the efficiency of the bioassays and fluorescent microscopy in the research on molecules and structures of biomedical and pharmacological interest, labeled with luminescent complexes. The results obtained show that the luminescence response of the examined compound, even in dilute aqueous solutions is sufficient for fluorometric applications, such as luminescent labels in biomedical diagnostics and bioanalyses, as well as in laser scanning fluorescent microscopy.

Paper Details

Date Published: 12 November 2009
PDF: 8 pages
Proc. SPIE 7501, International Conference on Ultrafast and Nonlinear Optics 2009, 75010O (12 November 2009); doi: 10.1117/12.848569
Show Author Affiliations
Georgi B. Hadjichristov, Georgi Nadjakov Institute of Solid State Physics (Bulgaria)
Ivan L. Stefanov, Sofia Univ. (Bulgaria)
Stanislav S. Stanimirov, Sofia Univ. (Bulgaria)
Ivan K. Petkov, Sofia Univ. (Bulgaria)


Published in SPIE Proceedings Vol. 7501:
International Conference on Ultrafast and Nonlinear Optics 2009
Solomon M. Saltiel; Alexander A. Dreischuh; Ivan P. Christov, Editor(s)

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