Microrobots and micromachines based on optoelectronic tweezers

Hang Li, Rongxin Fu, Yao Lu, Han Cui, Fenggang Li, Bingrui Xu, Gong Li, Shuailong Zhang

科研成果: 书/报告/会议事项章节章节同行评审

摘要

Optoelectronic tweezers (OET) are a state-of-art technique that combines light stimuli with electric field together by leveraging the photoconductive effect of semiconductor materials. Herein, the behavior of microobjects can be directly controlled by inducing the change of electric fields on demand in an optical manner. Relying on this light-induced electrokinetic effect, OET offer tremendous advantages in micromanipulation such as programmability, flexibility, versatility, high-throughput, and ease of integration with other characterization systems, thus showing impressive performance compared to those of many other manipulation techniques. A lot of research on OET has been reported in recent years and the technology has developed rapidly in various fields of science and engineering. In this chapter, we first introduce the working mechanism and typical structures of OET devices. Then, applications of OET in cell manipulation, cell analysis and cell electroporation are discussed. In the following part, OET-actuated microrobots and micromachines are introduced, including their working principles and applications. Finally, we overview the recent progress in the commercialization of OET technology for biopharmaceutical applications and end the chapter with challenges and future perspectives.

源语言英语
主期刊名Untethered Small-Scale Robots for Biomedical Applications
出版商Elsevier
103-117
页数15
ISBN(电子版)9780128221259
ISBN(印刷版)9780128221624
DOI
出版状态已出版 - 1 1月 2023

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