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YANG Tian-you, WANG Tie-gu, TIAN Jing, CHANG Jing-ling. Research on Relation of HRS/IRR and Antioxidases in E.coli Implanted by 30 keV N+[J]. Nuclear Physics Review, 2010, 27(2): 197-201. doi: 10.11804/NuclPhysRev.27.02.197
Citation: YANG Tian-you, WANG Tie-gu, TIAN Jing, CHANG Jing-ling. Research on Relation of HRS/IRR and Antioxidases in E.coli Implanted by 30 keV N+[J]. Nuclear Physics Review, 2010, 27(2): 197-201. doi: 10.11804/NuclPhysRev.27.02.197
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Research on Relation of HRS/IRR and Antioxidases in E.coli Implanted by 30 keV N+

doi: 10.11804/NuclPhysRev.27.02.197

  • 1 Life Science and Technology College, Henan Institute of Science and Technology, Xinxiang 453003, Henan, China;2 Provincial Key Laboratory of Ion Beam Bioengineering, Zhengzhou University, Zhengzhou 450052, China

  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-06-20
  • The inducement of hyperradiosensitivity/increased radioresistance(HRS/IRR) and activities of antioxidases in Escherichia coli implanted by 30 keV N+ and relationship between them were investigated. The results showed the change trend of the survival rate and the activity of superoxide dismutase(SOD) and Catalas(CAT) of E. coli K12 was consistent. The activity of SOD and CAT of E.coli were lower， less than 10 and 8 U/mg， when the HRS was induced at 0—5×1014  N+/cm2 doses. And the activity of SOD and CAT of E.coli increased and reached highest rate， were 58 and 26 U/mg respectively， when the IRR was induced at 5×1014—10×1014 N+/cm2 doses. It could be concluded that the change of SOD and CAT activity was related with the HRS/IRR.
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Research on Relation of HRS/IRR and Antioxidases in E.coli Implanted by 30 keV N+

doi: 10.11804/NuclPhysRev.27.02.197
  • 1 Life Science and Technology College, Henan Institute of Science and Technology, Xinxiang 453003, Henan, China;2 Provincial Key Laboratory of Ion Beam Bioengineering, Zhengzhou University, Zhengzhou 450052, China
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2010-06-20

Abstract: The inducement of hyperradiosensitivity/increased radioresistance(HRS/IRR) and activities of antioxidases in Escherichia coli implanted by 30 keV N+ and relationship between them were investigated. The results showed the change trend of the survival rate and the activity of superoxide dismutase(SOD) and Catalas(CAT) of E. coli K12 was consistent. The activity of SOD and CAT of E.coli were lower， less than 10 and 8 U/mg， when the HRS was induced at 0—5×1014  N+/cm2 doses. And the activity of SOD and CAT of E.coli increased and reached highest rate， were 58 and 26 U/mg respectively， when the IRR was induced at 5×1014—10×1014 N+/cm2 doses. It could be concluded that the change of SOD and CAT activity was related with the HRS/IRR.

YANG Tian-you, WANG Tie-gu, TIAN Jing, CHANG Jing-ling. Research on Relation of HRS/IRR and Antioxidases in E.coli Implanted by 30 keV N+[J]. Nuclear Physics Review, 2010, 27(2): 197-201. doi: 10.11804/NuclPhysRev.27.02.197
Citation: YANG Tian-you, WANG Tie-gu, TIAN Jing, CHANG Jing-ling. Research on Relation of HRS/IRR and Antioxidases in E.coli Implanted by 30 keV N+[J]. Nuclear Physics Review, 2010, 27(2): 197-201. doi: 10.11804/NuclPhysRev.27.02.197
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