Modification of PLGA Nanofibrous Mats by Electron Beam Irradiation for Soft Tissue Regeneration

Figure 4

Morphology of e-beam irradiated PLGA nanofiber mats treated with doses of (a) 0, (b) 50, (c) 100, (d) 150, (e) 200, (f) 250, and (g) 300 kGy over 7 weeks in PBS (37°C). The magnification of the photomicrographs is 1,000x.