Strain-dependent fractional molecular diffusion in humid spider silk fibres.

  title={Strain-dependent fractional molecular diffusion in humid spider silk fibres.},
  author={Igor Krasnov and Tilo Seydel and Imke Greving and Malte Blankenburg and Fritz Vollrath and Martin M{\"u}ller},
  journal={Journal of the Royal Society, Interface},
  volume={13 122}
Spider silk is a material well known for its outstanding mechanical properties, combining elasticity and tensile strength. The molecular mobility within the silk's polymer structure on the nanometre length scale importantly contributes to these macroscopic properties. We have therefore investigated the ensemble-averaged single-particle self-dynamics of the prevailing hydrogen atoms in humid spider dragline silk fibres on picosecond time scales in situ as a function of an externally applied… CONTINUE READING

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