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Adv Drug Deliv Rev. 2009 Oct 5;61(12):988-1006. doi: 10.1016/j.addr.2009.07.005. Epub 2009 Jul 28.

Electrospun silk biomaterial scaffolds for regenerative medicine.

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Department of Chemical and Biological Engineering, Tufts University, Medford, MA 02155, USA.


Electrospinning is a versatile technique that enables the development of nanofiber-based biomaterial scaffolds. Scaffolds can be generated that are useful for tissue engineering and regenerative medicine since they mimic the nanoscale properties of certain fibrous components of the native extracellular matrix in tissues. Silk is a natural protein with excellent biocompatibility, remarkable mechanical properties as well as tailorable degradability. Integrating these protein polymer advantages with electrospinning results in scaffolds with combined biochemical, topographical and mechanical cues with versatility for a range of biomaterial, cell and tissue studies and applications. This review covers research related to electrospinning of silk, including process parameters, post treatment of the spun fibers, functionalization of nanofibers, and the potential applications for these material systems in regenerative medicine. Research challenges and future trends are also discussed.

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