In Vitro Degradation of Poly(caprolactone)/nHA Composites

Figure 1

SEM observation of surface morphology of PCL ×250. (a) PCL before degradation. (b) PCL/10 wt% nHA before degradation. (c) PCL/30 wt% nHA before degradation. (d) PCL/50 wt% nHA before degradation. (e) PCL after degradation in vitro for 8 weeks. (f) PCL/10 wt% nHA after degradation in vitro for 8 weeks. (g) PCL/30 wt% nHA after degradation in vitro for 8 weeks. (h) PCL/50 wt% nHA after degradation in vitro for 8 weeks. (i) PCL after degradation in vitro for 16 weeks. (j) PCL/10 wt% nHA after degradation in vitro for 16 weeks. (k) PCL/30 wt% nHA after degradation in vitro for 16 weeks. (l) PCL/50 wt% nHA after degradation in vitro for 16 weeks.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)

(j)

(k)

(l)