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Studies on the rapid self assembly of elastic tensile fibers from a natural protein polymer found in marine snails

Abstract

1. Whelk egg case precursor proteins are stockpiled in the nidamental gland of a gravid female whelk and assembled post-fertilization into an impervious protective coating for the egg. 2. Egg case maturation is rapid and involves extensive chemical crosslinking. 3. Egg case material is quasi-elastic and completely reversible in tension, but relies primarily on nonentropic forces. 4. Fibers with the mechanical properties of whelk egg case can be electrospun from protein precursors.

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