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A bioinspired hydrogen bond-triggered ultrasensitive ionic mechanoreceptor skin

Author

Listed:
  • Vipin Amoli

    (Hanyang University)

  • Joo Sung Kim

    (Hanyang University)

  • Eunsong Jee

    (Hanyang University)

  • Yoon Sun Chung

    (Hanyang University)

  • So Young Kim

    (Hanyang University)

  • Jehyoung Koo

    (Hanyang University)

  • Hanbin Choi

    (Hanyang University)

  • Yunah Kim

    (Hanyang University)

  • Do Hwan Kim

    (Hanyang University)

Abstract

Biological cellular structures have inspired many scientific disciplines to design synthetic structures that can mimic their functions. Here, we closely emulate biological cellular structures in a rationally designed synthetic multicellular hybrid ion pump, composed of hydrogen-bonded [EMIM+][TFSI−] ion pairs on the surface of silica microstructures (artificial mechanoreceptor cells) embedded into thermoplastic polyurethane elastomeric matrix (artificial extracellular matrix), to fabricate ionic mechanoreceptor skins. Ionic mechanoreceptors engage in hydrogen bond-triggered reversible pumping of ions under external stimulus. Our ionic mechanoreceptor skin is ultrasensitive (48.1–5.77 kPa−1) over a wide spectrum of pressures (0–135 kPa) at an ultra-low voltage (1 mV) and demonstrates the ability to surpass pressure-sensing capabilities of various natural skin mechanoreceptors (i.e., Merkel cells, Meissner’s corpuscles, Pacinian corpuscles). We demonstrate a wearable drone microcontroller by integrating our ionic skin sensor array and flexible printed circuit board, which can control directions and speed simultaneously and selectively in aerial drone flight.

Suggested Citation

  • Vipin Amoli & Joo Sung Kim & Eunsong Jee & Yoon Sun Chung & So Young Kim & Jehyoung Koo & Hanbin Choi & Yunah Kim & Do Hwan Kim, 2019. "A bioinspired hydrogen bond-triggered ultrasensitive ionic mechanoreceptor skin," Nature Communications, Nature, vol. 10(1), pages 1-13, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-11973-5
    DOI: 10.1038/s41467-019-11973-5
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    Cited by:

    1. Ningning Bai & Yiheng Xue & Shuiqing Chen & Lin Shi & Junli Shi & Yuan Zhang & Xingyu Hou & Yu Cheng & Kaixi Huang & Weidong Wang & Jin Zhang & Yuan Liu & Chuan Fei Guo, 2023. "A robotic sensory system with high spatiotemporal resolution for texture recognition," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Xiangnan He & Biao Zhang & Qingjiang Liu & Hao Chen & Jianxiang Cheng & Bingcong Jian & Hanlin Yin & Honggeng Li & Ke Duan & Jianwei Zhang & Qi Ge, 2024. "Highly conductive and stretchable nanostructured ionogels for 3D printing capacitive sensors with superior performance," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    3. Elvis K. Boahen & Baohai Pan & Hyukmin Kweon & Joo Sung Kim & Hanbin Choi & Zhengyang Kong & Dong Jun Kim & Jin Zhu & Wu Bin Ying & Kyung Jin Lee & Do Hwan Kim, 2022. "Ultrafast, autonomous self-healable iontronic skin exhibiting piezo-ionic dynamics," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    4. Shijie Yin & Jianguo Li & Zhuozhi Lai & Qing-Wei Meng & Weipeng Xian & Zhifeng Dai & Sai Wang & Li Zhang & Yubing Xiong & Shengqian Ma & Qi Sun, 2024. "Giant gateable thermoelectric conversion by tuning the ion linkage interactions in covalent organic framework membranes," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    5. Zhengyang Kong & Elvis K. Boahen & Dong Jun Kim & Fenglong Li & Joo Sung Kim & Hyukmin Kweon & So Young Kim & Hanbin Choi & Jin Zhu & Wu Ying & Do Hwan Kim, 2024. "Ultrafast underwater self-healing piezo-ionic elastomer via dynamic hydrophobic-hydrolytic domains," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    6. Yuan Zhang & Junlong Yang & Xingyu Hou & Gang Li & Liu Wang & Ningning Bai & Minkun Cai & Lingyu Zhao & Yan Wang & Jianming Zhang & Ke Chen & Xiang Wu & Canhui Yang & Yuan Dai & Zhengyou Zhang & Chuan, 2022. "Highly stable flexible pressure sensors with a quasi-homogeneous composition and interlinked interfaces," Nature Communications, Nature, vol. 13(1), pages 1-12, December.

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