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Schematic of sources, processing and regeneration of silk-based biomaterials for biomedical textiles and fiber-based implants: (A) illustrates silk production or modification from worm to cocoon, and then purification; (B) the degummed or purified fibers processed into various BTFIs, or formed into aqueous silk fibroin solution; (C) the aqueous silk solution used for silk fiber regeneration using electro-spinning and wet-spinning [4, 266].
