Multifunctional Biodegradable Microrobot with Programmable Morphology for Biomedical Applications

We described a magnetic chitosan microscaffold tailored for applications requiring high biocompatibility, biodegradability, and monitoring by real-time imaging. Such magnetic microscaffolds exhibit adjustable pores and sizes depending on the target application and provide various functions such as magnetic actuation and enhanced cell adhesion using biomaterial-based magnetic particles. Subsequently, we fabricated the magnetic chitosan microscaffolds with optimized shape and pore properties to specific target diseases. As a versatile tool, the capability of the developed microscaffold was demonstrated through in vitro laboratory tasks and in vivo therapeutic applications for liver cancer therapy and knee cartilage regeneration. We anticipate that the optimal design and fabrication of the presented microscaffold will advance the technology of biopolymer-based microscaffolds and micro/nanorobots.

Automated summary

The magnetic chitosan microscaffold is tailored for applications requiring high biocompatibility, biodegradability, and real-time imaging monitoring, providing adjustable pores and sizes based on the target application and functions such as magnetic actuation and enhanced cell adhesion using biomaterial-based magnetic particles. Demonstrated capabilities through in vitro laboratory tasks and in vivo therapeutic applications, the optimized design and fabrication of the microscaffold will advance the technology of biopolymer-based microscaffolds and micro/nanorobots.