Research Article

Preparation and Characterization of Coaxial Electrospinning rhBMP2-Loaded Nanofiber Membranes

Figure 6

Tensile stress-stain curves of coaxial electrospun nanofibers: (A) Zein/PLLA nanofibers, (B) Zein-DEX/PLLA nanofibers, (C–E) Zein/PLLA-rhBMP2 nanofibers, and (F–H) Zein-DEX/PLLA-rhBMP2 nanofibers (C–E, F–H, the quality of rhBMP2 are 12, 30, 48 μg, respectively).