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Comprehensive modeling of corkscrew motion in micro-/nano-robots with general helical structures

Author

Listed:
  • Ningning Hu

    (Shanghai University)

  • Lujia Ding

    (University of Saskatchewan)

  • Aihui Wang

    (Zhongyuan University of Technology)

  • Wenju Zhou

    (Shanghai University)

  • Chris Zhang

    (University of Saskatchewan)

  • Bing Zhang

    (Shanghai University)

  • Ruixue Yin

    (East China University of Science and Technology)

Abstract

Micro-/nano-robots (MNRs) have impressive potential in minimally invasive targeted therapeutics through blood vessels, which has disruptive impact to improving human health. However, the clinical use of MNRs has yet to happen due to intrinsic limitations, such as overcoming blood flow. These bottlenecks have not been empirically solved. To tackle them, a full understanding of MNR behaviors is necessary as the first step. The common movement principle of MNRs is corkscrew motion with a helical structure. The existing dynamic model is only applicable to standard helical MNRs. In this paper, we propose a dynamic model for general MNRs without structure limitations. Comprehensive simulations and experiments were conducted, which shows the validity and accuracy of our model. Such a model can serve as a reliable basis for the design, optimization, and control of MNRs and as a powerful tool for gaining fluid dynamic insights, thus accelerating the development of the field.

Suggested Citation

  • Ningning Hu & Lujia Ding & Aihui Wang & Wenju Zhou & Chris Zhang & Bing Zhang & Ruixue Yin, 2024. "Comprehensive modeling of corkscrew motion in micro-/nano-robots with general helical structures," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-51518-z
    DOI: 10.1038/s41467-024-51518-z
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    1. Chen Xin & Zhongguo Ren & Leran Zhang & Liang Yang & Dawei Wang & Yanlei Hu & Jiawen Li & Jiaru Chu & Li Zhang & Dong Wu, 2023. "Light-triggered multi-joint microactuator fabricated by two-in-one femtosecond laser writing," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
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