Figure 7: Release profiles of ibuprofen from an electrospun (A) PLGA membrane (5% ibuprofen), (B) a PLGA/PEG-g-chitosan membrane (5% ibuprofen), and (C) a PLGA/PEG-g-chitosan membrane conjugated with ibuprofen (4.4% ibuprofen). Electrospun membranes were incubated in 0.1 M PBS (pH 7.4) at 37°C. (from ref. [70] with permission)