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LIAO Xing-Sheng, WANG Xing, ZHAO Kai-Hong, ZHOU Ming. Study on the Influence of Cyanobacterial Growth by UV-C Photocatalytic Oxidation with Nanometric TiO2[J]. Plant Science Journal, 2007, 25(5): 457-461.
Citation: LIAO Xing-Sheng, WANG Xing, ZHAO Kai-Hong, ZHOU Ming. Study on the Influence of Cyanobacterial Growth by UV-C Photocatalytic Oxidation with Nanometric TiO2[J]. Plant Science Journal, 2007, 25(5): 457-461.
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Study on the Influence of Cyanobacterial Growth by UV-C Photocatalytic Oxidation with Nanometric TiO2

  • College of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

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  • Received Date: March 08, 2007
  • Revised Date: April 17, 2007
  • Published Date: October 26, 2007
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  • The effects of cyanobacterial growth by UV-C photocatalytic oxidation with nanometric TiO2 were studied.Analyzed from the physiological view point of Anabaena sp.PCC 7120,under UV-C photocatalytic oxidation with nanometric TiO2,as indicated by increased the contents of reactive oxygen species of the O2,·OH and H2O2,decreased the capacity of antioxidant system of the CAT,POD,APX and SOD,and decreased the contents of the soluble protein,C-PC,C-Chl a and C-Carotenoids.Furthermore,the results compared with those without photocatalytic,as indicated by reduced photosynthetic rate and photorespiration rate rapidly,decreased nucleic acid contents as for cell proliferation,and gained about 100% mortality.Observed under the light microscopy cell morphology was changed obviously.So UV-C photocatalytic oxidation with nanometric TiO2 could achieve a good effect in photocatalytic restraint cyanobacteria.
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