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KMID : 0364920130380040202
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Journal of Radiation Protection and Research
2013 Volume.38 No. 4 p.202 ~ p.207
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Impedance Changes of Living Tissue During Radiation Exposure Dose
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Kil Sang-Hyeong
Lee Mu-Seok
Nam Ji-Ho
Lee Yeong-Hwa
Kim Kun-Do
Lee Jong-Kyu
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Abstract
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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 ±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 ㏉, 2 ㏉ and 4 ㏉.(p>0.05) However in radiation exposure dose of 10 ㏉, 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 ㏉, 2 ㏉, 4 ㏉, and 10 ㏉.(p>0.05)
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KEYWORD
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Radiation exposure, Electrical characteristics, Impedance absolute value, Impedance phase
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