Conservation of feathers, fur, and other natural structures made from keratin.
How is keratin formed? - Quora
Engineering with keratin: A functional material and a source of
Structures and Properties of Keratin-Based and Related Biological
The Parts of a Feather and How Feathers Work
Pure keratin membrane and fibers from chicken feather - ScienceDirect
Controlled assembly of secondary keratin structures for continuous
Frontiers Molecular Signaling and Nutritional Regulation in the
Identification of Matrix Metalloproteinase-1-Suppressive Peptides
Feathers, Hair or Scales: Not Much Difference
Caring for feathers, quills, horn and other keratinous materials
How Do Feathers Work, And What Can They Tell You?
A Guide To Bird Feathers - Avian Report
Functional study shown by overexpressing α-keratins KRT5 mutant
An insider's look at the feather, a marvel of bioengineering