Programmable acoustic modular microrobots

Area of Science:

• Biomedical Engineering
• Microrobotics
• Materials Science

Background:

• Microrobotics offers significant potential in biomedicine for applications like targeted drug delivery, microsurgery, and cellular manipulation.
• Multi-modal actuation enhances microrobot adaptability, robustness, and task versatility.
• Modular microrobot designs allow for on-demand assembly, disassembly, and reconfiguration into complex structures.

Purpose of the Study:

• To present a novel biocompatible microrobot capable of multi-modal actuation and modular reconfiguration.
• To demonstrate the fabrication and capabilities of these microrobots for advanced micro-scale applications.
• To explore the potential of modular microrobots in addressing challenging biomedical tasks.

Main Methods:

• Development of a cylindrical microrobot with a dome-shaped cavity, utilizing biocompatible materials.
• Actuation of microrobots using combined magnetic and acoustic fields for controlled movement and assembly.
• Demonstration of modular microstructure formation and application in surface patterning for cellular manipulation.

Main Results:

• Successful fabrication of biocompatible microrobots actuated by both magnetic and acoustic fields.
• Demonstrated ability of microrobots to self-assemble into various modular microstructures.
• Effective utilization of these microrobots for precise cellular manipulation and pattern creation on surfaces.

Conclusions:

• The presented multi-modal modular microrobots offer enhanced versatility and capability for biomedical applications.
• The modular design and dual actuation enable complex tasks such as patterned cellular manipulation.
• This work paves the way for advanced microrobotic systems in in vitro and in vivo biomedical research.