| 11. | The properties of spider silk have long been recognized.
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| 12. | These teeth have the strongest known tensile strength of any biological material, outperforming spider silk.
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| 13. | Spider silks have been used for thousands of years to fight infection and heal wounds.
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| 14. | The produced silk proteins retain the basic silk properties found in natural spider silk proteins.
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| 15. | But the initial research led him to spider silk.
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| 16. | Turner said, except " when you check out the milk, there's spider silk there ."
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| 17. | There have been attempts to synthetically manufacture spider silk.
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| 18. | The nest materials are bound together with spider silk.
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| 19. | Spider silk is the strongest natural fiber known.
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| 20. | I think it is feasible ( but impractical ) to isolate the unspun spider silk proteins.
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