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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: Biomaterials. 2010 Mar 23;31(18):4898–4908. doi: 10.1016/j.biomaterials.2010.02.058

Figure 2.

Figure 2

Effect of the polyphosphazene on the mechanical properties of the blends. (a) Tensile Young's modulus; (b) Tensile strength. (*) indicates significant increase compared to PLAGA and (**) indicates significant increase compared to both PLAGA and Matrix1. p<0.05. Tensile moduli of the blend matrices (Matrix1 and Matrix2) are in the range of trabecular bone (50-100 MPa) and cortical bone (17-20 GPa), whereas the tensile strengths are comparable to that of trabecular bone (5-10 MPa) but much lower than cortical bone (80-150 MPa). More interestingly, the mechanical properties (both tensile modulus and tensile strength) increase significantly (p<0.05) with the addition of polyphosphazene.