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首页> 外文期刊>Journal of Applied Polymer Science >Facile preparation for robust and freestanding silk fibroin films in a 1-butyl-3-methyl imidazolium acetate ionic liquid system
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Facile preparation for robust and freestanding silk fibroin films in a 1-butyl-3-methyl imidazolium acetate ionic liquid system

机译：在乙酸1-丁基-3-甲基咪唑鎓离子液体系统中轻松制备坚固而独立的丝素蛋白薄膜

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摘要

Silk fibroin film (SFF) with excellent mechanical properties was prepared for the first time with Bombyx mori silk fibroin as the material and 1-butyl-3-methyl imidazolium acetate ([Bmim]OAc) ionic liquid (IL) as the solvent. The aim was to understand whether the microstructure of SFF could be modified and whether the mechanical properties were improved when [Bmim]OAc IL was used as a solution. With this new system, the obtained SFF was easily peeled off of the substrate, and the silk fibroin proteins retained the alpha-helix secondary structure (silk I). Further test results show that the tensile strength (126.8-129.7 MPa) and anti-UV performance were stronger than the silk fibroin regenerated by traditional ways. Therefore, this study provided and identified a new method with [Bmim]OAc to obtain SFF with strong mechanical properties. This facile preparation and related SFF with excellent mechanical strength could have potential applications in biocompatible implants, synthetic coatings for artificial skin, and many other areas. (C) 2015 Wiley Periodicals, Inc.
机译：首次以家蚕丝素蛋白为原料，乙酸1-丁-3-甲基咪唑鎓乙酸盐（[Bmim] OAc）离子液体（IL）为溶剂，首次制备了具有优异机械性能的丝素蛋白薄膜（SFF）。目的是了解使用[Bmim] OAc IL作为溶液时，是否可以改变SFF的微观结构以及机械性能是否得到改善。使用该新系统，可以轻松地将获得的SFF从底物上剥离下来，而丝素蛋白则保留了α-螺旋二级结构（丝I）。进一步的测试结果表明，其抗拉强度（126.8-129.7 MPa）和抗紫外线性能比传统方法再生的丝素蛋白强。因此，本研究提供并鉴定了一种用[Bmim] OAc获得具有强机械性能的SFF的新方法。这种简便的制备方法和具有良好机械强度的相关SFF可以在生物相容性植入物，人造皮肤的合成涂层以及许多其他领域中潜在应用。 （C）2015年Wiley Periodicals，Inc.

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