Abstract

For a century, keratins extracted from different sources are being used for medical, cosmetic and textile applications. The excellent bioactivity and physiochemical properties of these protein extracts have recently led to the popularity of a keratin as biomaterial. Like other naturally derived biomaterials, keratins have the potential to form a defined, three-dimensional microstructure that supports cell infiltration, proliferation, and cell-guided tissue formation. In addition, the natural abundance, intrinsic biocompatibility, and mechanical durability of keratins have shown promise in the field of biomaterials in diverse biomedical applications. This mini review summarizes the biological properties, explores in brief the extraction methods and advances of keratin as a biomaterial in various biomedical and dental applications.

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