Fig. (2) Investigation into the effect of nHA nanoparticles on the degradation of PLCL: A) Profile of Mw versus degradation time for PLC/nHA composite scaffolds; B) Changes of water absorption versus degradation time for PLCL/nHA composite scaffold; C) Scanning electron microscopy imaging of PLCL surface morphology: (a) PLCL after two weeks of in vitro degradation, (b) PLCL/10 wt% nHA after four weeks of in vitro degradation (c) PLCL after six weeks of in vitro degradation, and (d)) PLCL/50 wt% nHA after four weeks of in vitro degradation [59].