Shape-programmable Adaptive Multi-material Microrobots for Biomedical Applications

适应(眼睛) 计算机科学 有限元法 工程类 纳米技术 材料科学 物理 结构工程 光学
作者
Liyuan Tan,Yang Yang,Fang Li,David J. Cappelleri
出处
期刊:Cornell University - arXiv 被引量:1
标识
DOI:10.48550/arxiv.2401.00375
摘要

Flagellated microorganisms can swim at low Reynolds numbers and adapt to changes in their environment. Specifically, the flagella can switch their shapes or modes through gene expression. In the past decade, efforts have been made to fabricate and investigate rigid types of microrobots without any adaptation to the environments. More recently, obtaining adaptive microrobots mimicking real microorganisms is getting more attention. However, even though some adaptive microrobots achieved by hydrogels have emerged, the swimming behaviors of the microrobots before and after the environment-induced deformations are not predicted in a systematic standardized way. In this work, experiments, finite element analysis, and dynamic modeling are presented together to realize a complete understanding of these adaptive microrobots. The above three parts are cross-verified proving the success of using such methods, facilitating the bio-applications with shape-programmable and even swimming performance-programmable microrobots. Moreover, an application of targeted object delivery using the proposed microrobot has been successfully demonstrated. Finally, cytotoxicity tests are performed to prove the potential for using the proposed microrobot for biomedical applications.

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