期刊
JOURNAL OF STRUCTURAL BIOLOGY
卷 176, 期 3, 页码 302-306出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jsb.2011.09.009
关键词
Collagen fibers orientation; Polarized light; Bone; Mineralized turkey leg tendon
资金
- Austrian Science Foundation (FWF) [P19009-N20]
- Austrian Science Fund (FWF) [P19009] Funding Source: Austrian Science Fund (FWF)
Even though mechanical properties depend strongly on the arrangement of collagen fibers in mineralized tissues, it is not yet well resolved. Only a few semi-quantitative evaluations of the fiber arrangement in bone, like spectroscopic techniques or circularly polarized light microscopy methods are available. In this study the out-of-plane collagen arrangement angle was calibrated to the linear birefringence of a longitudinally fibered mineralized turkey leg tendon cut at variety of angles to the main axis. The calibration curve was applied to human cortical bone osteons to quantify the out-of-plane collagen fibers arrangement. The proposed calibration curve is normalized to sample thickness and wavelength of the probing light to enable a universally applicable quantitative assessment. This approach may improve our understanding of the fibrillar structure of bone and its implications on mechanical properties. (C) 2011 Elsevier Inc. All rights reserved.
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