Preparation and characterization of electrospun silk fibroin nanofiber with addition of 1-ethyl-3-(3-dimethylarainopropyl) carbodiimide |
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| Authors: | Feng Zhang Huanxiang Zhang Baoqi Zuo Xueguang Zhang |
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| Institution: | 1.College of Textile and Clothing Engineering,Soochow University,Suzhou Jiangsu,China;2.Jiangsu Key Laboratory of Stem Cell Research,Medical College of Soochow University,Suzhow,China;3.National Engineering Laboratory for Modern Silk,Soochow University,Suzhou Jiangsu,China |
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| Abstract: | The silk fibroin (SF) nanofiber mats with good water resistance and mechanical property were directly prepared by adding crosslinker
1-Ethyl-3-(3-dimethylaminopropyl)-carbodiimide (EDC) into the electrospin solution. The effect of EDC on the morphology, structure
and physical properties of SF nanofiber mats was analyzed. With the addition of EDC, the average fiber diameter increased
from 262 to 635 nm. The results from FTIR, TG-DTA and X-ray diffraction showed that EDC induced the structural transition
from random coil to β-sheet conformation. Furthermore, the solubility and mechanical properties of SF nanofiber mats were
obviously improved when the crosslinker EDC was used. |
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