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J Radiat Prot > Volume 28(1); 2003 > Article
Journal of Radiation Protection 2003;28(1):43-0.
ICRP 호흡기 및 생체역동학적 모델을 이용한 우라늄 생물분석 결과의 해석
김현기;이재기;
Interpretation of Uranium Bioassay Results with the ICRP Respiratory Track and Biokinetic Model
Kim, H.K.;Lee, J.K.;
ABSTRACT
This study describes a practical method for interpretation of bioassay results of inhaled uranium to assess the committed effective doses both for chronic and acute intake situations. Organs in the body were represented by a series of mathematical compartments for analysis of the behavior of uranium in the body according to the gastrointestinal track model, respiratory track model and biokinetic model recommended by the ICRP. An analytical solutions of the system of balance equations among the compartments were obtained using the Birchall's algorithm, and the urinary excretion function and the lung retention function of uranium were obtained. An initial or total intakes by intake modes were calculated by applying excretion and retention functions to the urinary uranium concentration and the lung burden measured with a lung counter. The dose coefficients given in ICRP 78 are used to estimate the committed effective doses from the calculated intakes.
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