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신체내의 <sup>40</sup>K 으로부터 제지방량 산출방법에 대한 연구
박형하(Hyung Ha Park),권혁동(Heck Dong Kwun),홍선옥(Sun Ok Hong),오정환(Jeong Hwan Oh) 한국발육발달학회 1997 한국발육발달학회지 Vol.5 No.1
Potassium that atomic Number is forty, is radioactive isotope to emit gamma ray, and exists in human body, Potassium is usually the most abundant of the cation found inside living cells of vertebrates. A small quantity also occurs in extracellular fluids. Potassium participates in propagation of nerve impulses, is involved with muscular contraction, and is recongnized as necessary for biocatalysis. A detailed theory explaining accumulation of potassium by living matter, especially in muscle cells, has been proposed by Conway. Although the importance of potassium in a number of vital processes is well established, it has been difficult to determine the total quantity in the body. This ^(40)K activity is measured by Whole Body Counter, and Fat Free Mass(FFM) can be obtained by estimate of body burden of this radioisotope. Therefore, these progresses were not well-known in Disciplinary Measurement and Evaluation of Korea. This paper showed how to calculate FFM from <sup>40</sup>K Activity and theorical background.
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