Reconfigurable multi-component micromachines driven by optoelectronic tweezers.

Reconfigurable multi-component micromachines driven by optoelectronic tweezers.
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DOI:
10.1038/s41467-021-25582-8
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发表时间:
2021-09-09
影响因子:
16.6
通讯作者:
Wheeler AR
Wheeler AR
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zhang S;Elsayed M;Peng R;Chen Y;Zhang Y;Peng J;Li W;Chamberlain MD;Nikitina A;Yu S;Liu X;Neale SL;Wheeler AR

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There is great interest in the development of micromotors which can convert energy to motion in sub-millimeter dimensions. Micromachines take the micromotor concept a step further, comprising complex systems in which multiple components work in concert to effectively realize complex mechanical tasks. Here we introduce light-driven micromotors and micromachines that rely on optoelectronic tweezers (OET). Using a circular micro-gear as a unit component, we demonstrate a range of new functionalities, including a touchless micro-feed-roller that allows the programming of precise three-dimensional particle trajectories, multi-component micro-gear trains that serve as torque- or velocity-amplifiers, and micro-rack-and-pinion systems that serve as microfluidic valves. These sophisticated systems suggest great potential for complex micromachines in the future, for application in microrobotics, micromanipulation, microfluidics, and beyond. Light-driven micromotors can convert energy to motion in sub-millimeter dimensions. Here, the authors extend this concept and introduce reconfigurable micromachines with multiple components, driven by optoelectronic tweezers, and demonstrate new functionalities.
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