Journal
ADVANCED FUNCTIONAL MATERIALS
Volume 33, Issue 1, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202209883
Keywords
biomedical applications; cancer therapies; micro; nanorobots; self-propulsion
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This review provides an overview of chemically driven micro/nanorobots, including their material properties, preparation, driving forms, and mechanisms. It summarizes the current research status of these robots in various biomedical applications and analyzes the possible safety issues. Finally, challenges and future directions of chemically driven micro/nanorobots are presented.
Micro/nanorobots (MNRs) are capable of autonomous motion, breaking through the limitations of traditional passive transport of nanocarriers. Among them, chemically driven MNRs are the earliest MNRs studied and have received extensive attention from researchers. This review first focuses on the material properties, preparation, driving forms, and mechanisms of chemically driven MNRs. The current status of research on chemically driven MNRs in biomedicine is summarized for various biological applications (drug delivery, diagnostics, anti-inflammatory, antibacterial, and disease treatment). In terms of biosafety, possible safety issues are analyzed in the context of chemically driven microrobotic applications in terms of three aspects: component characteristics, chemical engines and biological environment. Finally, the challenges and possible future directions of chemically driven MNRs are presented.
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