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Optimization of Electrospinning Parameters for Producing Silk Fibroin/Poly(Ethylene Oxide) Nanofibers Using D-Optimal Method Publisher



Rajabi M1 ; Zahedi P1 ; Hassannejad Z2, 3 ; Haririan I4
Authors

Source: Journal of Natural Fibers Published:2019


Abstract

Despite the ease of the electrospinning process of synthetic polymers, the adjustment of several independent variables for natural ones is a complex procedure. In this work, the electrospinning parameters of silk fibroin (SF)/poly(ethylene oxide) (PEO) blends including tip-to-collector distance (X1), applied voltage (X2), flow rate (X3) and SF/PEO ratio (X4) were optimized using the D-optimal method. By considering the response surface plots and interaction graphs as well as observing the scanning electron microscopy (SEM) images, the optimized conditions were set as follows: X1 = 15 cm, X2 = 12 kV, X3 = 1.2 mL/h and X4 = 4. Accordingly, the electrospun SF/PEO nanofibrous sample with uniform morphology and an average diameter of 182 ± 55 nm was obtained. © 2018, © 2018 Taylor & Francis.
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