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Information Journal Paper

Title

COMPARISON BETWEEN AMPEROMETRIC AND CHEMILUMINESCENCE METHODS IN DETECTION AND DOSIMETRY OF COBALT-60 GAMMA RAY EMISSION

Pages

  377-382

Abstract

 Background: HYDROGEN PEROXIDE (H2O2), produced by GAMMA RAY irradiation to watery solution, was used as an analytical parameter for dosimetry of COBALT-60 (60Co) radiation. Materials and Methods: Detection of the produced H2O2 was carried out using two methods: an amperometric biosensor fabricated by immobilization of anthraquinone 2-carboxylic acid modified horseradish peroxidase on glassy carbon electrode, and CHEMILUMINESCENCE technique using luminol as a fluorophore and diperiodatocuprate as a catalyst. Results: In the first method, at the applied potential of -550 mV (vs. Ag/AgCl) the biosensor showed the sensitivity of 74.46 nA/Gray and detection limit of 0.061 Gray (R.S.D=3.67% for N=3) towards H2O2 produced by 60Co. In the second method, the sensitivity and detection limit for 60Co GAMMA RAY was determined to be 2.34 (luminescence intensity/Gray) and 0.069 Gray (R.S.D=4.16% for N=3), respectively. Conclusion: The obtained results revealed that both proposed techniques, with leaner range from 0.25 to 5 Grays are applicable for detection and dosimetry of GAMMA RAY from 60Co.

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    APA: Copy

    SHOURIAN, M., & GHOURCHIAN, H.. (2014). COMPARISON BETWEEN AMPEROMETRIC AND CHEMILUMINESCENCE METHODS IN DETECTION AND DOSIMETRY OF COBALT-60 GAMMA RAY EMISSION. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 12(4), 377-382. SID. https://sid.ir/paper/286648/en

    Vancouver: Copy

    SHOURIAN M., GHOURCHIAN H.. COMPARISON BETWEEN AMPEROMETRIC AND CHEMILUMINESCENCE METHODS IN DETECTION AND DOSIMETRY OF COBALT-60 GAMMA RAY EMISSION. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2014;12(4):377-382. Available from: https://sid.ir/paper/286648/en

    IEEE: Copy

    M. SHOURIAN, and H. GHOURCHIAN, “COMPARISON BETWEEN AMPEROMETRIC AND CHEMILUMINESCENCE METHODS IN DETECTION AND DOSIMETRY OF COBALT-60 GAMMA RAY EMISSION,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 12, no. 4, pp. 377–382, 2014, [Online]. Available: https://sid.ir/paper/286648/en

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