Figure 4.
SEM images for different electrospun samples (1 h deposition at 1 ml/h): (A–C) 35 kV, 15 cm sample 300×, 500×, 1,000×; (D–F) 35 kV, 20 cm sample 300×, 500×, 1,000×; (G–I) 50 kV, 15 cm sample 300×, 500×, 1,000×.
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