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The elastic mechanical properties of the cardiac myocyte membrane has been evaluated in terms of membrane stiffness and elastic moduli defined by area compressibility and shear strain. The method employed incorporates a membrane patch clamp system and micropipette aspiration, whereby negative pressure is applied to the membrane in the 10-60 mm Hg range. Calibration of the micromanipulation technique,...
The utility of scanning acoustic microscope (SAM) techniques in developing acoustic impedance maps of bone cross sections has been demonstrated experimentally. The relatively inexpensive acoustic scanner has a resolution suitable for detecting subtle local changes in acoustic impedance and, hence, elastic properties. For instance, the significantly lower C33 properties in the posterior region of the...
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