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A macro–micro–nano–multi-level study was conducted to explore age-related structural and mechanical properties of bone, as well as the effects of aging on bone properties. A total of 70 male Wistar rats were used, ranging in the ages of 1, 3, 5, 7, 9, 11, 14, 15, 16, and 17months (n=7/age group). After micro-computed tomography (CT) scanning, longitudinal cortical bone specimens with a length of 5mm...
This study aimed to investigate the mechanical properties and features of bone materials at the nanoscale level in different regions of the femoral head in elderly patients with femoral neck fracture. Ten femoral heads from female patients with femoral neck fractures were extracted during surgery (five for the Aged group, aged 65–66years; five for the Advanced aged group, aged 85–95years). The femoral...
The aim of this paper is to investigate the influence of microstructural parameters of senile vertebral cancellous bone on the apparent elastic moduli of three orthogonal directions. Thirty-six cubic regions of interest were obtained from six L4 vertebral bodies with the ages of 60–70. After scanned by a Micro-Computed Tomography (Micro-CT) system, seven 3D microstructural parameters were derived...
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