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

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• 作者：A. V. Lobanov (1)
  G. I. Kobzev (2)
  K. S. Davydov (2)
  G. G. Komissarov (1)
  
• 关键词：chlorophyll ; magnesium complexes of tetrapyrroles ; reactive oxygen species ; singlet oxygen ; hydrogen peroxide ; photosensitivity
• 刊名：Russian Journal of Physical Chemistry B, Focus on Physics
• 出版年：2014
• 出版时间：May 2014
• 年：2014
• 卷：8
• 期：3
• 页码：277-283
• 全文大小：221 KB
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• 作者单位：A. V. Lobanov (1)
  G. I. Kobzev (2)
  K. S. Davydov (2)
  G. G. Komissarov (1)
  
  1. Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 119991, Russia
  2. Orenburg State University, pr. Pobedy 13, Orenburg, 460018, Russia
  
• ISSN：1990-7923

文摘

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.