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Insulin-like growth factor-1 (IGF-1) release rate from the 5%1LMW:1HMW scaffolds. The concentration of IGF-1 released from the scaffold at each time point was measured by ELISA, and the total IGF-1 released from the scaffold was plotted as a function of time. n=3 scaffolds per time point; data points are mean±standard error of the mean. Inset is a higher resolution graph of days 1–4.
