Photo-Crosslinked Silk Fibroin for 3D Printing.

Photo-Crosslinked Silk Fibroin for 3D Printing.
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用于3D打印的光交联丝素蛋白。

DOI:
10.3390/polym12122936
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发表时间:
2020-12-09
期刊:
影响因子:
5
通讯作者:
Kaplan DL
Kaplan DL
中科院分区:
工程技术3区
文献类型:
--
作者:
Mu X;Sahoo JK;Cebe P;Kaplan DL

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材料形式的丝素蛋白提供了强大的机械性能,因此是一种有前途的蛋白质,可用于3D打印墨水,用于一系列应用,包括组织工程,生物电子学和生物光学。在各种交联机制中,光交联特别适用于丝素蛋白油墨的3D打印,这是由于快速动力学、可调交联动力学、光辅助形状控制以及使用可见光作为生物相容性加工条件的选择。多种光交联方法已经应用于天然或化学改性的丝素蛋白,包括光氧化和自由基甲基丙烯酸酯聚合。丝素蛋白的分子特征,即,构象多态性提供了通过光进行交联和微加工的独特方法。丝素蛋白墨水的分子设计特征和光交联机制的开发表明了满足未来许多生物医学需求的令人兴奋的潜力。
Silk fibroin in material formats provides robust mechanical properties, and thus is a promising protein for 3D printing inks for a range of applications, including tissue engineering, bioelectronics, and bio-optics. Among the various crosslinking mechanisms, photo-crosslinking is particularly useful for 3D printing with silk fibroin inks due to the rapid kinetics, tunable crosslinking dynamics, light-assisted shape control, and the option to use visible light as a biocompatible processing condition. Multiple photo-crosslinking approaches have been applied to native or chemically modified silk fibroin, including photo-oxidation and free radical methacrylate polymerization. The molecular characteristics of silk fibroin, i.e., conformational polymorphism, provide a unique method for crosslinking and microfabrication via light. The molecular design features of silk fibroin inks and the exploitation of photo-crosslinking mechanisms suggest the exciting potential for meeting many biomedical needs in the future.
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