Photoactivation and Detection of Photoexcited Molecules and Photochemical Products

Anna Kozinska; Tomasz Oles; Tadeusz Sarna

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Photoactivation and Detection of Photoexcited Molecules and Photochemical Products

机译：光激活分子和光化学产品的光活化和检测

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Aerobic photoactivation of photosensitizing dye molecules can lead to the formation of oxygen radicals, singlet oxygen and other partially reduced oxygen species, collectively called reactive oxygen species (ROS), which are responsible for photodynamic damage and the accompanying cytotoxicity. This review briefly describes basic photophysical phenomena involved in the formation of electronically excited states and photochemical processes that play a key role in the generation of ROS. Physicochemical properties of the excited states of the photosensitizing dye molecules and of ROS, particularly their chemical reactivity with selected substrate molecules, as well as major spectroscopic and analytical methods used for the detection and characterization of reactive intermediates involved in photodynamic phenomena, are critically discussed in this paper.

机译：光敏染料分子的有氧光活化会导致形成氧自由基，单线氧和其他部分减少的氧气，共同称为活性氧（ROS），这些物种负责光动力损伤和伴随的细胞毒性。这篇综述简要介绍了与在ROS产生中起关键作用的电子激发态和光化学过程的形成有关的基本光物理现象。光敏染料分子和ROS的激发态的物理化学特性，尤其是它们与所选底物分子的化学反应性，以及用于检测和表征与光滑现象相关的反应性中间体的主要光谱和分析方法，在这张纸。

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来源
《Israel journal of chemistry》 |2012年第9期|745-756|共12页
作者
Anna Kozinska; Tomasz Oles; Tadeusz Sarna;
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作者单位

Faculty of Biochemistry, Biophysics and Biotechnology Gronostajowa 7, 30-387 Krakow (Poland);

Faculty of Biochemistry, Biophysics and Biotechnology Gronostajowa 7, 30-387 Krakow (Poland) e-mail: tadeusz.sarna@uj.edu.pl;

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正文语种英语
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关键词
photoactivation; photochemistry; moleculesexcited statesFree radicalsphotochemical productPhotochemical ProcessesReactive Oxygen SpeciesPhotoexcitationOxidationchemoreactivitySinglet OxygenPhototoxic Dermatitis;

机译：光活化;光化学;分子固定态自由基化学化学产品photoChotical ProcossEsExygoctive oxygoctive oxygotphotoexcitationoxciticativeciticativeCiticativeChemoreeeeactivitySingletsingletsinglet oxygenphotototototototototototototision;

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Photoactivation and Detection of Photoexcited Molecules and Photochemical Products

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