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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Acta Biomater. 2017 Sep 7;63:200–209. doi: 10.1016/j.actbio.2017.09.006

Figure 3.

Figure 3

Mechanical properties of tendons repaired with Nylon, ELAS and ELAS incorporated PDGF-BB. Results showed that at 4 weeks post-surgery the failure load for all 3 groups do not differ significantly; however, at 12 weeks time point tendons treated with ELAS affinity bound PDGF-BB has significantly higher (p < 0.05) failure load compared to other groups (a). Moreover, failure load of the treated tendon with ELAS incorporated PDGF-BB suture enhanced significantly (p < 0.05) from 4 weeks to 12 weeks time point. The stiffness and absorbed energy at failure of the treated tendons also showed similar behavior with maximum stiffness and absorbed energy at failure for tendon treated tendon with ELAS affinity bound PDGF-BB (b) & (c). On the other hand the elongation at failure of treated tendons do not show significant differences (p> 0.05) between different groups at different time points (d).