Cumulative AD release at pH 7.4 phosphate buffer (a, b)
and at
pH 5.0 acetate buffer (c, d) from bare TCP (i.e., no PCL coating:
indicated by 0% PCL) scaffolds (a, c), and PCL-coated (1 % PCL in
acetone (w/v) solution was used for coating) scaffolds (b, d).