Melt electrospinning. (A) Drug release curve of PCL melt electrospun fibers containing daunorubicin hydrochloride: (a–c) 1wt%, 5wt%, and 10 wt% (reprinted with permission from [177]. Copyright©2017, the authors. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.). (B) (a) Kinetic characteristics of drug release of PLLA/PHB pads and (b) effect of diffusion on controlled drug release (reprinted with permission from [178]. Copyright©2017, Controlled Release Society). (C) Dissolution rate of Draconis Sanguis in vitro (reprinted with permission from [179]. Copyright©2019, Wiley Periodicals, Inc.).