UV-visile absorption and fluorescence characteristics of the luminescent label coumarin-6-sulphonyl chloride in homogeneous and micellar solutions

S. M Z Al-Kindy, S. A. El-Sherbini, M. H. Abdel-Kader

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

This paper describes the study of the UV-visual absorption, Fluorescence emission, and fluorescence excitation spectra of coumarin-6-sulphonyl chloride (C-6SCl) in various organic solvents and buffer solutions. In addition, the spectral behaviour in aqueous micellar systems of anionic and cationic surfactant was investigated. The spectral properties of the compound together with the detemined pK values in the ground and excited state are discussed in relation to its electronic structure. The results reflect the importance of the medium effect on the analytical application of C-6SCl as a potential luminescent label for derivatization of amino and phenolic groups.

Original languageEnglish
Pages (from-to)329-333
Number of pages5
JournalAnalytica Chimica Acta
Volume285
Issue number3
DOIs
Publication statusPublished - Jan 28 1994

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Labels
Chlorides
fluorescence
Fluorescence
chloride
Anionic surfactants
Cationic surfactants
Excited states
Surface-Active Agents
Organic solvents
Ground state
Electronic structure
surfactant
Buffers
coumarin 6
organic solvent
effect
electronics

Keywords

  • Coumarin-6-sulphonyl chloride
  • Luminescence
  • Micellar solutions
  • UV-Visible spectrophotometry

ASJC Scopus subject areas

  • Biochemistry
  • Analytical Chemistry
  • Spectroscopy
  • Environmental Chemistry

Cite this

UV-visile absorption and fluorescence characteristics of the luminescent label coumarin-6-sulphonyl chloride in homogeneous and micellar solutions. / Al-Kindy, S. M Z; El-Sherbini, S. A.; Abdel-Kader, M. H.

In: Analytica Chimica Acta, Vol. 285, No. 3, 28.01.1994, p. 329-333.

Research output: Contribution to journalArticle

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