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J Radiat Prot > Volume 38(4); 2013 > Article
Journal of Radiation Protection 2013;38(4):202-0.
doi: https://doi.org/10.14407/jrp.2013.38.4.202
방사선 피폭선량에 대한 생체 조직의 임피던스 변화
길상형;이무석;남지호;이영화;김군도;이종규;
Impedance Changes of Living Tissue During Radiation Exposure Dose
Kil, Sang Hyeong;Lee, Moo Seok;Nam, Ji Ho;Lee, Yeong Hwa;Kim, Gun Do;Lee, Jong Kyu;
ABSTRACT
Bioimpedance involves a lot of information related to living tissue. If there is alteration in bio tissue, its electrical characteristics also change. It is to study electrical characteristics of pork tenderlion in using a HP-4194A Impedance/Gain-phase analyzer instrument and electrical characteristics changes by graded radiation exposure dose. The results were as follow 1. Electrical characteristics of pork tenderlion in repeated measurement had high precision within ${pm}5$% of coefficiency of variability. 2. During the measurement impedance absolute value and phase alteration did not show statistically significant difference.(p>0.05) 3. While impedance phase of electrical characteristics associated with frequency change was almost stable, impedance absolute value was in inverse proportion to frequency that means high inverse correlation of -0.096(r). 4. Impedance absolute value dropped in radiation exposure dose. The alteration of the value did not show statistically significant difference in 1 Gy, 2 Gy and 4 Gy.(p>0.05) However in radiation exposure dose of 10 Gy, the decrease of impedance absolute value was significantly different.(p<0.05) 5. Impedance phase according to radiation exposure dose change did not show statistically significant difference in 1 Gy, 2 Gy, 4 Gy, and 10 Gy(p>0.05).
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The Effect of Radiation Exposure  1994 ;19(2)
Advances in Dose Assessment for External Radiation Exposure  1986 ;11(2)
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