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Progress in Preparation of Silk Fibroin Microspheres for Biomedical Applications

[ Vol. 8 , Issue. 5 ]

Author(s):

Shihe Long, Yun Xiao* and Xingdong Zhang   Pages 358 - 371 ( 14 )

Abstract:


As a natural biomaterial, silk fibroin (SF) holds great potential in biomedical applications with its broad availability, good biocompatibility, high mechanical strength, ease of fabrication, and controlled degradation. With emerging fabrication methods, nanoand microspheres made from SF have brought about unique opportunities in drug delivery, cell culture, and tissue engineering. For these applications, the size and distribution of silk fibroin particles (SFPs) are critical and require precise control during fabrication. Herein, we review common and emerging SFPs fabrication methods and their biomedical applications, and also the challenges and opportunities for SFPs in the near future.

Lay Summary: The application of silk in textile has an extraordinarily long history and new biomedical applications emerged owing to the good biocompatibility and versatile fabrication options of its major protein component, silk fibroin. With the development of nanotechnology and microfabrication, silk fibroin has been fabricated into nano- or microspheres with precisely controlled shape and distribution. In this review, we summarize common and emerging silk fibroin particle fabrication methods and their biomedical applications, and also discuss their challenges and opportunities in the nearest future.

Keywords:

Biomedical applications, fabrication method, microspheres, silk fibroin, nanospheres, size control.

Affiliation:

National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064

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