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Progress in Chemistry 1999, Vol. 11 Issue (04): 341- Previous Articles   Next Articles

• Review •

New Green Pesticides: Photoactivated Pesticides

Ma Jinshi;Cheng Hao;Zhang Yi;Yan Fang   

  1. Institute of Photographic Chemistry,Chinese Academy of Sciences, Beijing 100101, China
  • Received: Revised: Online: Published:
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Photoactivated pesticides have many advantages compared with traditional pesticides. They are cheap , effective and environmentally safe. The most important components of photoactivated pesticides are photosensitizers. With the illumination and the presence of oxygen the photo sensitizers acton various biochemical components and cause toxic reaction inpests. The efficiency of photo sensitizers depends on the quantum yield of singlet oxygen which acts on the target substrate and oxidizes it. The resistance may be slow to develop due to the expected multiplicity of biological targets in the cell. The photosensitizer is a catalyst, not a participant and the excess part is photodecomposable. The photoactivated pesticides have great potential in promoting the development of agriculture.

Key words: photoactivated pesticides, 　photosensitizers

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