Optically driven micropump produced by three-dimensional two-photon microfabrication

被引:173
作者
Maruo, Shoji [1 ]
Inoue, Hiroyuki [1 ]
机构
[1] Yokohama Natl Univ, Grad Sch Engn, Dept Mech Engn, Hodogaya Ku, Yokohama, Kanagawa 2408501, Japan
基金
日本学术振兴会;
关键词
D O I
10.1063/1.2358820
中图分类号
O59 [应用物理学];
学科分类号
摘要
An optically driven lobed micropump was developed using three-dimensional two-photon microfabrication. The two built-in rotors, 9 mu m in diameter, are cooperatively driven by means of time-divided scanning of a single laser beam. It was demonstrated that a tracer particle was moved by simultaneously rotating the two rotors. The velocity of the tracer particle was proportional to the rotation speed of the rotors in the range of 0.2-0.7 mu m/s. The flow rate was estimated to be sub-pL/min level. This ultralow flow rate will be useful for further integration and miniaturization of micro-total-analysis systems. (c) 2006 American Institute of Physics.
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页数:3
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