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. 2016 Mar 18;6:23245. doi: 10.1038/srep23245

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Copyright © 2016, Macmillan Publishers Limited

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(a) Tensile Young’s modulus and toughness of pristine epoxy and chitin epoxy composites. The inset pictures (i) and (ii) show pristine epoxy and chiral nematic chitin epoxy composite films, respectively. (b) Tensile stress-strain curves of epoxy composites with disordered, nematic (N), and chiral nematic (N*) phases of chitin nanowires. (c) Tensile stress-strain curves of chitin nanowhisker and nanofiber epoxy composites are compared.