475280.fig.009a
(a)
475280.fig.009b
(b)
Figure 9: Miscibility evaluation of PLGA and chitosan in electrospun polyblend of PLGA/chitosan based on (a) DSC thermograms of (A) pure chitosan, (B) pure PVA, and electrospun mats of (C) PLGA, (D) PLGA/chitosan/PVA, and (E) PLGA/chitosan; and (b) TEM image of the cross section of PLGA/chitosan/PVA electrospun sample embedded in EPON.