نتایج جستجو برای: bone mechanical properties

تعداد نتایج: 1311741  

2008
Erik Mittra Clinton Rubin Barry Gruber Yi-Xian Qin

Early detection of fracture risk is important for initiating treatment and improving outcomes from both physiologic and pathologic causes of bone loss. While bone mineral density (a quantity measure) has traditionally been used for this purpose, alternative structural imaging parameters (quality measures) are proposed to better predict bone’s true mechanical properties. To further elucidate thi...

Journal: :Annual Review of Biomedical Engineering 2018

Journal: :The Journal of bone and joint surgery. British volume 2003
M Ding A Odgaard I Hvid

We obtained medial and lateral subchondral cancellous bone specimens from ten human post-mortem proximal tibiae with early osteoarthritis (OA) and ten normal age- and gender-matched proximal tibiae. The specimens were scanned by micro-CT and the three-dimensional microstructural properties were quantified. Medial OA cancellous bone was significantly thicker and markedly plate-like, but lower in...

Journal: :Bone 2006
M Mousny X Banse L Wise E T Everett R Hancock R Vieth J P Devogelaer M D Grynpas

INTRODUCTION The influence of genetic background on bone architecture and mechanical properties is well established. Nevertheless, to date, only few animal studies explore an underlying genetic basis for extrinsic factors effect such as fluoride effect on bone metabolism. MATERIALS AND METHODS This study assessed the effect of increasing fluoride doses (0 ppm, 25 ppm, 50 ppm, 100 ppm) on the ...

Journal: :veterinary research forum 2012
mehdi behfar farshid sarrafzadeh-rezaei rahim hobbenaghi nowruz delirezh bahram dalir-naghadeh

tendon never restores the complete biological and mechanical properties after healing. bone marrow and recently adipose tissue have been used as the sources of mesenchymal stem cells, which have been proven to enhance tendon healing. stromal vascular fraction (svf), derived from adipose tissue by an enzymatic digestion, represents an alternative source of multipotent cells, which undergo differ...

Journal: :Journal of biomechanics 2008
Erik Mittra Clinton Rubin Barry Gruber Yi-Xian Qin

Early detection of fracture risk is important for initiating treatment and improving outcomes from both physiologic and pathologic causes of bone loss. While bone mineral density (a quantity measure) has traditionally been used for this purpose, alternative structural imaging parameters (quality measures) are proposed to better predict bone's true mechanical properties. To further elucidate thi...

In this study, using biodegradable polymers, nanofiberouse scaffolds were fabricated from the layer-by-layer electrospinning method, including two layer that poly (ε-caprolactone), polyvinylpyrrolidone deposited at first layer and poly (ε-caprolactone), polyvinyl alcohol , β-tricalcium phosphate at latter. After prepration of scaffolds, scanning electron microscopy (SEM), swelling, porosity, me...

2010

The problems of supply, cost, increasing demand and infection risk that are associated with the use of allograft are well known. The addition of bone graft substitutes, such as hydroxyapatite (HA) to allograft has various advantages in terms of extending supply and also providing more reliable mechanical properties. In this way HA can be used for both trauma and elective joint replacement surge...

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