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A Study on Mice Exposure Dose for Low-dose Gamma-irradiation Using Glass Dosimeter

유리선량계를 이용한 저선량 방사선의 마우스 피폭선량 연구

  • Noh, Sung Jin (Research Center, Dongnam Institute of Radiological & Medical Sciences) ;
  • Kim, Hyo Jin (Research Center, Dongnam Institute of Radiological & Medical Sciences) ;
  • Kim, Hyun (Research Center, Dongnam Institute of Radiological & Medical Sciences) ;
  • Jeong, Dong Hyeok (Research Center, Dongnam Institute of Radiological & Medical Sciences) ;
  • Son, Tae Gen (Research Center, Dongnam Institute of Radiological & Medical Sciences) ;
  • Kim, Jung Ki (Research Center, Dongnam Institute of Radiological & Medical Sciences) ;
  • Yang, Kwangmo (Research Center, Dongnam Institute of Radiological & Medical Sciences) ;
  • Nam, Sang-Hee (Department of Biomedical Engineering, Inje University) ;
  • Kang, Yeong-Rok (Research Center, Dongnam Institute of Radiological & Medical Sciences)
  • Received : 2015.07.29
  • Accepted : 2015.11.10
  • Published : 2015.12.31

Abstract

The low dose radiation is done for a long period, thus researchers have to know the exact dose distribution for the irradiated mouse. This research has been conducted in order to find out methods in transmitting an exact dose to mouse in a mouse irradiation experiment carried out using $^{137}Cs$ irradiation equipment installed in the DIRAMS (Dongnam Institution of Radiological & Medical Sciences) research center. We developed a single mouse housing cage and shelf with adjustable geometric factors such as distance and angle from collimator. The measurement of irradiated dose showed a maximal 42% difference of absorbed dose from the desired dose in the conventional irradiation system, whereas only 6% difference of the absorbed dose was measured in the self-developed mouse apartment system. In addition, multi mice housing showed much difference of the absorbed dose in between head and body, compared to single mouse housing in the conventional irradiation system. This research may allow further research about biological effect assessment for the low dose irradiation using the self-developed mouse apartment to provide more exact doses which it tries to transmit, and to have more reliability for the biological analysis results.

Acknowledgement

Supported by : Dong-nam Institute of Radiological & Medical Sciences(DIRAMS)

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