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Updated: May 5, 2026

Magnetic Tweezers for the Measurement of Twist and Torque
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Active twisting for adaptive droplet collection.

Yifan Yang1, Zhijun Dai1, Yuzhen Chen1

  • 1Institute of Mechanics and Computational Engineering, Department of Aeronautics and Astronautics & College of Intelligent Robotics and Advanced Manufacturing, Fudan University, Shanghai, People's Republic of China.

Nature Computational Science
|April 24, 2025
PubMed
Summary
This summary is machine-generated.

Researchers mimicked plant leaf structures using liquid crystal elastomers to create tunable bending and twisting ribbons. These biomimetic materials offer insights into natural designs and potential applications in water collection and structural enhancement.

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Area of Science:

  • Materials Science
  • Biomimetics
  • Soft Robotics

Background:

  • Xeric plant leaves display unique bending and twisting morphologies for drought adaptation.
  • Understanding these structures can inspire novel device designs for environmental challenges.

Purpose of the Study:

  • To investigate stimulus-induced morphological transformations in liquid crystal elastomer (LCE) bilayers.
  • To establish relationships between LCE morphology and functional properties.
  • To explore biomimetic applications inspired by xeric plant adaptations.

Main Methods:

  • Fabrication of biomimetic bilayer ribbons using liquid crystal elastomers.
  • Designing director orientations within LCE bilayers to control morphology.
  • Development of mathematical models and analytical solutions for morphology prediction.
  • Experimental validation of model predictions and material behavior.

Main Results:

  • Selective and tunable control over bending, spiraling, and twisting morphologies in LCE ribbons.
  • Quantification of morphology selection and phase transitions through mathematical modeling.
  • Demonstration of twisting configurations for efficient droplet collection and transport.
  • Enhanced structural stiffness for resisting environmental factors like wind and rain.

Conclusions:

  • LCE bilayer design offers precise control over complex morphologies, mimicking natural structures.
  • The study provides fundamental insights into shape transformation and functional correlations of bending, spiraling, and twisting.
  • Biomimetic LCE ribbons show potential for advanced applications in water collection and adaptive structures.