Research Article

Morphology and In Vitro Behavior of Electrospun Fibrous Poly(D,L-lactic acid) for Biomedical Applications

Figure 4

FE-SEM photographs showing the surface appearances of the fibrous PDLLA after immersion in HBS solution. (Original magnification 5,000x.) (a) PDLLA-R; (b) PDLLA-COOH.
140643.fig.004a
(a)
140643.fig.004b
(b)