<研究論文>生体組織構造とアドミッタンスの関係

概要

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Electrical impedance method has been utilized to estimate tissue structure. In the analysis, tissue structure is expressed to the equivalent electrical circuit consisted of an internal fluid Resistance RE, a cell membrane condenser CM and an intracellular fluid Resistance RI. From the frequency variant admittance locus, RE, RI and CM are assessed. However, the shadow effects at low frequency Region are expected. In this simulation study, the influence of the shadow effects on the estimation of tissue structure is investigated from the points of view of cell shape and cell density. Throughout this simulation study, the following facts are indicated.(1) Existence of shadow effects is confirmed at low frequency.(2) Shadow effects depend on the cell shape.(3) In the case of high cell density, influence of shadow effects on estimation of tissue structure may be small.(4) Shadow effects induce under estimation of RI.
東京都立航空工業高等専門学校の論文