Abstract
The purpose of this study is to investigate the correlation between electrical impedance and mechanical properties of articular cartilage. Collagenase model were prepared to digest collagen fibrils for articular cartilage. Measurement of electric impedance and compressive test were carried out to evaluate electric and mechanical properties of the specimen before and after enzyme treatment. Electric impedance and compressive elastic modulus decreased with increasing treatment time for collagenase treatment. As a result, electric impedance was related to the elastic modulus and viscosity of the articular cartilage. It is suggested that electric impedance method is able to predict mechanical properties of articular cartilage.
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