Journal of Applied Spectroscopy

, Volume 76, Issue 3, pp 312–318 | Cite as

Effect of proton-donor solvent and structural flexibility of prodan and laurdan molecules on their spectral-luminescent properties

  • Yu. P. Morozova
  • O. M. Zharkova
  • T. Yu. Balakina
  • V. Ya. Artyukhov

The influence of structural flexibility on dipole moments, energy-level locations, and charge distributions in prodan and laurdan molecules was studied. A quantum-chemical calculation of isolated prodan and laurdan molecules in the fluorescent state geometry was conducted. Rate constants for radiative and non-radiative processes and fluorescence quantum yields for these probe molecules were calculated. Interaction centers of prodan and laurdan with a proton-donor solvent were estimated quantitatively. The possibility of using fluorescent probes for estimating the polarity of proton-donor and proton-acceptor solvents was shown.


fluorescent probe prodan laurdan structural flexibility proton-donor properties fluorescence quantum yield 


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Copyright information

© Springer Science+Business Media, Inc. 2009

Authors and Affiliations

  • Yu. P. Morozova
    • 1
  • O. M. Zharkova
    • 1
  • T. Yu. Balakina
    • 1
  • V. Ya. Artyukhov
    • 1
  1. 1.Tomsk State UniversityTomskRussia

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