Fluorimetric determination of tetracyclines with the europium chelate of 1,10-phenanthroline in micellar solutions of anionic surfactants |
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Authors: | S N Shtykov T D Smirnova Yu G Bylinkin D A Zhemerichkin |
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Institution: | (1) Department of Chemistry, Saratov State University, ul. Astrakhanskaya 83, 410012 Saratov, Russia;(2) ZAO Nita-Farm, POB 3708, 410030 Saratov, Russia |
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Abstract: | The fluorescence of europium(III) in micellar solutions of surfactants sensitized by tetracycline derivatives was studied. It was found that the fluorescence intensity in the system Eu3+-tetracycline derivatives increases in the presence of 1,10-phenanthroline by a factor of 3–4. In micellar solutions of sodium dodecylbenzene sulfonate, the signal additionally enhances by a factor of 2.5. A procedure was developed for determining tetracycline and three its derivatives in blood plasma.Translated from Zhurnal Analiticheskoi Khimii, Vol. 60, No. 1, 2005, pp. 30–34.Original Russian Text Copyright © 2005 by Shtykov, Smirnova, Bylinkin, Zhemerichkin. |
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