2016 Fiscal Year Final Research Report
Elastic modulus and micro- and nano-structure of a single trabecula
| Project/Area Number |
15K17929
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Materials/Mechanics of materials
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| Research Institution | Hokkaido University |
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Principal Investigator |
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| Project Period (FY) |
2015-04-01 – 2017-03-31
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| Keywords | バイオメカニクス / 骨組織 / 強度 / 海綿骨 / 骨梁 / ハイドロキシアパタイト |
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| Outline of Final Research Achievements |
The study aims to propose a novel experimental method for the mechanical properties of a single trabecula by micro-cantilever bending and to investigate the elastic modulus and the micro- and nano-structure of a single trabecula in the bovine cancellous bone. As a result, elastic modulus of the single trabeculae was significantly smaller than that of the cortical bone specimens. The c-axis of the hydroxyapatite crystals in a single trabecula aligned along the longitudinal direction of the trabecula, not the bone axis. The elastic modulus did not correlate with the degree of crystal orientation, although there was a statistically significant correlation in the bone tissue including the single trabeculae and the cortical bone specimens.
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| Free Research Field |
バイオメカニクス
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