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BSA release rates were determined in order to calculate the effective diffusion coefficient, De, for each gel type. De was normalized by the diffusion coefficient of BSA in water at 37 °C (Do), 9.14 × 10−7 cm2/s [14]. Differences are significant between 5:7% CMC-methacrylate:% PEG-DM and 8:4, 12:8 or 16:4 gels (n = 4–5).
