Nano and micro architectures for self-propelled motors

Area of Science:

• Nanotechnology and Materials Science
• Biomedical Engineering
• Environmental Science

Background:

• Self-propelled micromotors are crucial for understanding micro/nanoscale motion.
• Development is ongoing for biomedical and environmental applications.
• Various fabrication methods exist for different motor sizes and geometries.

Purpose of the Study:

• To provide an overview of micromotor fabrication methods based on size and shape requirements.
• To discuss methods for guiding catalytic micromotors within confined spaces.
• To introduce bioinspired hybrid micromotors fabricated using 3D printing technology.

Main Methods:

• Review of existing micromotor fabrication techniques.
• Discussion of strategies for controlling micromotor movement.
• 3D printing for creating bioinspired hybrid micromotors.

Main Results:

• Fabrication methods can be tailored to specific size and shape requirements.
• Guiding catalytic micromotors within walls is achievable.
• 3D printed bioinspired motors can be propelled by ultrasound or live cells.

Conclusions:

• Micromotor fabrication can be optimized for specific applications.
• Bioinspired hybrid micromotors offer a more biocompatible alternative to traditional catalytic motors.
• 3D printing enables novel designs for advanced micromotor functionalities.