Russian Journal of Physical Chemistry B

, Volume 8, Issue 3, pp 277–283 | Cite as

Generation of reactive oxygen species under singlet oxygen photosensitivity by chlorophyll and its analogs

  • A. V. Lobanov
  • G. I. Kobzev
  • K. S. Davydov
  • G. G. Komissarov
Structure of Chemical Compounds. Spectroscopy
  • 67 Downloads

Abstract

The kinetic and photochemical parameters of the generation of reactive oxygen species, including singlet oxygen photosensitized by chlorophyll and its analogs on the basis of magnesium complexes of tetrapyrroles, are determined. It is shown that the nature of the central metal ion is the determining factor in the deactivation of formed singlet oxygen. The photosensitizing activity of tetrapyrrolic metal complexes is shown to decrease upon their aggregation.

Keywords

chlorophyll magnesium complexes of tetrapyrroles reactive oxygen species singlet oxygen hydrogen peroxide photosensitivity 

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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • A. V. Lobanov
    • 1
  • G. I. Kobzev
    • 2
  • K. S. Davydov
    • 2
  • G. G. Komissarov
    • 1
  1. 1.Semenov Institute of Chemical PhysicsRussian Academy of SciencesMoscowRussia
  2. 2.Orenburg State UniversityOrenburgRussia

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