A highly selective micellar liquid chromatographic technique has been developed for the determination of theophylline. The detection scheme is based on an intermolecular energy transfer from theophylline to the Tb(III) counterions of the surfactant. The procedure involves direct injection of a sampl
Lanthanide-sensitized luminescence for the detection of tetracyclines
β Scribed by L.M. Hirschy; E.V. Dose; J.D. Winefordner
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 415 KB
- Volume
- 147
- Category
- Article
- ISSN
- 0003-2670
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## Abstract Luminescence spectra of aqueous solutions containing a fixed concentration of tetracycline (TC) and increasing concentrations of Eu^3+^ were recorded both in the absence and presence of hydrogen peroxide (H~2~O~2~). In H~2~O~2~βfree solutions in which the Eu/TC molar ratio was varied fr