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Related Experiment Video

Updated: Sep 13, 2025

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

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Published on: March 24, 2019

Regrafting submillimeter-scale ferromagnetic soft continuums.

Yang Yang¹, Wentao Shi¹, Boguang Yang²

¹Department of Electronic Engineering, The Chinese University of Hong Kong, Hong Kong, SAR, China.

Nature Communications

|July 31, 2025

Summary

This summary is machine-generated.

Researchers developed novel ferromagnetic soft continuums (FSCs) capable of self-division and self-mergence. This "regrafting" ability enhances flexibility for complex in vivo biomedical tasks.

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Area of Science:

Materials Science
Robotics
Biomedical Engineering

Background:

Submillimeter-scale ferromagnetic soft continuums (FSCs) offer precise navigation in confined biological spaces.
Current FSCs lack the complexity for advanced in vivo therapies due to design limitations.

Purpose of the Study:

To develop FSCs with enhanced reconfigurability and functionality for complex biomedical tasks.
To introduce the concept of "regrafting"—self-division and self-mergence—in submillimeter-scale FSCs.

Main Methods:

Developed novel ferromagnetic thermoplastic soft materials for FSCs, replacing traditional thermoset materials.
Engineered FSCs to undergo reversible elastomer-fluid transitions, enabling controlled division and merging.
Demonstrated FSCs' ability to perform self-division and self-mergence for shape-shifting capabilities.

Main Results:

Achieved submillimeter-scale FSCs capable of active self-division and self-mergence ("regrafting").
Successfully transitioned from continuum structural strength for navigation to low fracture strength for division/mergence.
Eliminated the need for external coating layers by utilizing intrinsic material properties.

Conclusions:

Regrafting enhances FSC flexibility and in situ reconfigurability for diverse biomedical applications.
The developed thermoplastic FSCs offer a multifunctional platform for advanced endoscopic tasks and therapies.
This innovation paves the way for more sophisticated in vivo manipulations and treatments.