Micro-Bio-Chemo-Mechanical-Systems: Micromotors, Microfluidics, and Nanozymes for Biomedical Applications.

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Materials Science

Background:

• Wireless micromotors offer enhanced capabilities for biomedical applications but face challenges in biocompatibility, fuel toxicity, and imaging.
• Nanozymes, nanomaterials with enzyme-like activity, can expand the range of chemical fuels for micromotors.
• Microfluidics provides advanced fabrication and encapsulation techniques for micromotor development.

Purpose of the Study:

• To explore the synergistic integration of micromotors, nanozymes, and microfluidics for advanced bio-applications.
• To address key challenges hindering clinical translation of micromotor technology.
• To develop multifunctional micro-bio-chemo-mechanical-systems.

Main Methods:

• Utilizing nanozymes as catalytic components for micromotor propulsion.
• Employing microfluidic techniques for the fabrication of micromotors and encapsulation of subsystems.
• Integrating various imaging modalities (ultrasound, optoacoustic, fluorescent, MRI) into microfluidic systems.

Main Results:

• Demonstrated potential for nanozymes to serve as versatile chemical fuels for micromotors.
• Showcased microfluidic fabrication of stable microbubbles and capsules with integrated imaging capabilities.
• Proposed a framework for engineering FDA-approved core-shell micromotor structures with tunable properties.

Conclusions:

• The convergence of micromotors, nanozymes, and microfluidics offers a powerful interdisciplinary approach to overcome current limitations.
• This integrated strategy facilitates the development of sophisticated micro-bio-chemo-mechanical-systems for diverse biomedical applications.
• The research paves the way for advanced diagnostics and therapeutics using engineered micro-devices.