Experimental study on photosensitizers and antioxidants and assessment of their effects in the photo-curing process

LIU Deqi

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Experimental study on photosensitizers and antioxidants and assessment of their effects in the photo-curing process

更新时间：2023-03-30

- Experimental study on photosensitizers and antioxidants and assessment of their effects in the photo-curing process
- Journal of Radiation Research and Radiation Processing Vol. 22, Issue 4, Pages: 201-204(2004)
- 作者机构：
  
  1.苏州大学化学化工学院　苏州　215006
- 作者简介：
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LIU Deqi. Experimental study on photosensitizers and antioxidants and assessment of their effects in the photo-curing process. [J]. Journal of Radiation Research and Radiation Processing 22(4):201-204(2004)
DOI：

LIU Deqi. Experimental study on photosensitizers and antioxidants and assessment of their effects in the photo-curing process. [J]. Journal of Radiation Research and Radiation Processing 22(4):201-204(2004) DOI：

摘要

在光疗动力学过程或在生物体光敏氧化过程的控制中，高效廉价的光敏剂或抑制剂的选择是技术的关键。利用光敏剂在光照条件下产生的活性氧氧化二苯基碳酰肼，生成红色二苯基碳酰腙，用三氯化碳萃取；并以无光敏剂时的萃取液为参比，在最大吸收波长563.0nm处测其吸光度值,A,563,；或在该体系中加入抑制剂，以不加抑制剂为参比，计算Δ,A,563,。实验证明，相同的光照强度与光照时间，用分光光度计测得的,A,563,或Δ,A,563,/,A,563,值的大小作为快速筛选光敏剂、抑制剂及评价其效果的依据，结果可靠，方法快捷。

Abstract

In the photo−curing dynamic process and the control of photo−oxidation, the selection of excellent photosensitizers is very important. The method of fast filtration photosensitizers and antioxidants has been brought forward in this paper. DPCO is produced from DPCI oxidized by activated oxygen, which is produced by photosensitizers during exposure to light, and the maximum wavelength of DPCO extracted by CHCl,3, is 563.0nm. The fast, dependable, simple method of filtration photosensitizers is based on ,A,563, and antioxidants elected according as Δ,A,563,/,A,563,.

关键词

光动力学疗法光敏剂抑制剂筛选分光光度法

Keywords

Photodynamic therapy(PDT)PhotosensitizersAntioxidantsFiltrationSpectrophotometric method

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