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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 Rhee,  
 

Bone-like apatite-forming ability and mechanical properties of poly(epsilon-caprolactone)/silica hybrid as a function of poly(epsilon-caprolactone) content.

Effect of poly(epsilon-caprolactone) (PCL) content on the bioactivity and mechanical properties of PCL/silica hybrid was investigated. The PCL/silica hybrids with different PCL contents were prepared through co-condensation reaction with triethoxysilane end capped PCL and tetraethyl orthosilicate. The higher the PCL content in the hybrid, the lower the apatite-forming rate and showed polymer-like ductile-tough fracture behavior. On the contrary, the lower the PCL content in the hybrid, the higher the apatite-forming rate and showed ceramic-like hard-brittle fracture behavior. At the intermediate PCL content, the apatite-forming rate and its mechanical properties showed also intermediate behaviors. The highest tensile strength and Young's modulus could be obtained at intermediate PCL content and they were around 20 and 600 MPa, respectively, while the strain at failure was around 50%. This new kind of hybrid material is likely to have the potential to be used as a bone repairing material because of its apatite-forming ability and the mechanical properties comparable to human cancellous bone.[1]

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