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Magnetically Actuated Cell-Robot System: Precise Control, Manipulation, and Multimode Conversion.

Yuguo Dai^1,2, Lina Jia¹, Luyao Wang¹

¹School of Mechanical Engineering & Automation, Beihang University, Beijing, 100191, China.

Small (Weinheim an Der Bergstrasse, Germany)

|March 2, 2022

Summary

This summary is machine-generated.

Macrophage-based microrobots (cell robots) offer controlled transport of micro-objects and sperm. These biocompatible cell robots can form swarms for larger cargo, advancing micromanipulation in bioengineering.

Keywords:

cell robots chain-like swarm in vivo biocompatibility magnetic control transportation

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Area of Science:

Bioengineering
Microrobotics
Cellular manipulation

Background:

Microrobots are promising for micromanipulation and bioengineering.
Ensuring biosafety is a key challenge for microrobots in biological applications.

Purpose of the Study:

To develop biocompatible microrobots using macrophages for controlled object transportation.
To demonstrate the manipulation of individual and swarmed cell robots.

Main Methods:

Utilizing the phagocytic ability of macrophages to load nanomagnetic particles, creating cell robots.
Controlling cell robots individually and in chain-like swarms using external magnetic fields.
Observing the fluid flow generated by cell robots for object transport.

Main Results:

Macrophage-based microrobots demonstrated high position control accuracy.
Cell robots successfully transported microspheres and sperm via induced fluid flow.
Chain-like swarms of cell robots transported objects over 100 times their volume.

Conclusions:

Macrophage-based cell robots offer a viable, biocompatible platform for micromanipulation.
This approach provides a new concept for converting biological cells into functional microrobots.
Cell robots have potential applications in biomedical micromanipulation.