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Impedance Changes of Living Tissue During Radiation Exposure Dose
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 Title & Authors
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;
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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 % 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).
Radiation exposure;Electrical characteristics;Impedance absolute value;Impedance phase;
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자동제어 측정 시스템을 이용한 생체 조직의 임피던스 평가,길상형;이무석;김상식;신동훈;이성모;김군도;이종규;

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