High-resolution spatial mapping of shear properties in cartilage

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High-resolution spatial mapping of shear properties in cartilage.

Structural properties of articular cartilage such as proteoglycan content, collagen content and collagen alignment are known to vary over length scales as small as a few microns (Bullough and Goodfellow, 1968; Bi et al., 2006). Characterizing the resulting variation in mechanical properties is critical for understanding how the inhomogeneous architecture of this tissue gives rise to its functio...

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Determining the depth dependence of the shear properties of articular cartilage is essential for understanding the structure-function relation in this tissue. Here, we measured spatial variations in the shear modulus G of bovine articular cartilage using a novel technique that combines shear testing, confocal imaging and force measurement. We found that G varied by up to two orders of magnitude...

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ژورنال

عنوان ژورنال: Journal of Biomechanics

سال: 2010

ISSN: 0021-9290

DOI: 10.1016/j.jbiomech.2009.10.012