Fig. 2

Release profiles of diclofenac sodium from PDLGA80/20 nano-scaffolds. The release study was performed in PBS at 37 °C. On the left scale, the concentration released daily is presented as micrograms per milliliter per day. The closed circles represent non-UV-treated nano-scaffolds, while open circles represent the UV-treated ones. On the right scale, the cumulative release is presented as percentage. Similarly, the closed squares represent non-UV-treated nano-scaffolds, while open squares represent the UV-treated ones