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Stretchable hydrogels with low hysteresis and anti-fatigue fracture based on polyprotein cross-linkers

Author

Listed:
  • Hai Lei

    (Nanjing University
    Nanjing University)

  • Liang Dong

    (Nanjing University)

  • Ying Li

    (Nanjing University
    Nanjing University of Information Science and Technology)

  • Junsheng Zhang

    (Nanjing University)

  • Huiyan Chen

    (Nanjing University)

  • Junhua Wu

    (Nanjing University)

  • Yu Zhang

    (Nanjing University)

  • Qiyang Fan

    (Zhejiang University
    Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province)

  • Bin Xue

    (Nanjing University)

  • Meng Qin

    (Nanjing University)

  • Bin Chen

    (Zhejiang University
    Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province)

  • Yi Cao

    (Nanjing University
    Nanjing University)

  • Wei Wang

    (Nanjing University)

Abstract

Hydrogel-based devices are widely used as flexible electronics, biosensors, soft robots, and intelligent human-machine interfaces. In these applications, high stretchability, low hysteresis, and anti-fatigue fracture are essential but can be rarely met in the same hydrogels simultaneously. Here, we demonstrate a hydrogel design using tandem-repeat proteins as the cross-linkers and random coiled polymers as the percolating network. Such a design allows the polyprotein cross-linkers only to experience considerable forces at the fracture zone and unfold to prevent crack propagation. Thus, we are able to decouple the hysteresis-toughness correlation and create hydrogels of high stretchability (~1100%), low hysteresis (

Suggested Citation

  • Hai Lei & Liang Dong & Ying Li & Junsheng Zhang & Huiyan Chen & Junhua Wu & Yu Zhang & Qiyang Fan & Bin Xue & Meng Qin & Bin Chen & Yi Cao & Wei Wang, 2020. "Stretchable hydrogels with low hysteresis and anti-fatigue fracture based on polyprotein cross-linkers," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-17877-z
    DOI: 10.1038/s41467-020-17877-z
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    Cited by:

    1. Bin Xue & Zoobia Bashir & Yachong Guo & Wenting Yu & Wenxu Sun & Yiran Li & Yiyang Zhang & Meng Qin & Wei Wang & Yi Cao, 2023. "Strong, tough, rapid-recovery, and fatigue-resistant hydrogels made of picot peptide fibres," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Chengkun Zhao & Xing Li & Xiaowen Han & Zhulian Li & Shaoquan Bian & Weinan Zeng & Mingming Ding & Jie Liang & Qing Jiang & Zongke Zhou & Yujiang Fan & Xingdong Zhang & Yong Sun, 2024. "Molecular co-assembled strategy tuning protein conformation for cartilage regeneration," Nature Communications, Nature, vol. 15(1), pages 1-14, December.
    3. Ruixin Zhu & Dandan Zhu & Zhen Zheng & Xinling Wang, 2024. "Tough double network hydrogels with rapid self-reinforcement and low hysteresis based on highly entangled networks," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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