Keratin

    October 2016
    Mark Van Dyke
    Image of study
    TLDR Understanding how keratin structures in hair are arranged and interact is key for creating methods to extract and purify them.
    The document discusses the complexity of keratin as a biomaterial, emphasizing that hair follicles are composed of various types of keratins and keratin associated proteins (KAPs) that self-assemble into a molecular composite with distinct compartments like the cortex and cuticle. It highlights the importance of understanding the physical arrangement, interactions, and composite nature of keratin fibers for designing effective extraction and purification protocols. The keratins in hair are particularly noted for their high cysteine content and the extent of disulfide crosslinking, which is significant for their properties. The document also mentions oxidative sulfitolysis as a method for processing keratin, which is a hybrid chemical process involving both oxidation and reduction.
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