Research Article

Preparation and Characterization of Coaxial Electrospinning rhBMP2-Loaded Nanofiber Membranes

Figure 2

SEM images of coaxial nanofiber mats: ((a), a1–a8) Zein/PLLA, Zein-DEX/PLLA, Zein/PLLA-rhBMP2 (12 μg), Zein/PLLA-rhBMP2 (30 μg), Zein/PLLA-rhBMP2 (48 μg), Zein-DEX/PLLA-rhBMP2 (12 μg), Zein-DEX/PLLA-rhBMP2 (30 μg), and Zein-DEX/PLLA-rhBMP2 (48 μg) nanofiber mats, respectively. . ((b), b1–b8) . ((c), c1–c8) Size distribution image of the above groups.
(a)
(b)
(c)