Sentence Examples

  • "Fibroin " and silk-glue or sericin occur in natural silk fibres.
  • Silk fibre consists essentially of a centre or core of fibroin, with a covering of sericin or silk albumen, and a little waxy and colouring matter.
  • All silk produced by the worm is composed of two substancesfibroin, the true thread, and sericin, which is a hard, gummy coating of the " fibroin."
  • The surface is acted on by oxygen, transforming the external pellicle into the more soluble form of sericin.

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