2A1-N02 光駆動ディスクマイクロポンプの提案・開発(ナノ・マイクロ流体システム)

概要

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Built-in, disposable micropumps are key devices for biochip technology. In this study, we propose an all-polymer built-in disk micropump driven by light. This micropump consists of a disk rotor and a horseshoe microchannel. In the disk micropump, continuous flow is generated by rotating the single disk rotor in the horseshoe microchannel. The shuftiess disk rotor is successfully driven by synchronized laser scanning. We simulated the flow in the horseshoe microchannel by Finite Element Method (FEM) and optimized the channel shape. Both the rotor and the microchannel were fabricated by using two-photon microstereolithography that can produce all-polymer 3D microstructures with lOOnm resolution. This micropump enables flow control on the order of pL/min. This ultra-low flow control provides high integration and miniaturization of micro-total-analysis systems.
一般社団法人日本機械学会の論文
2007-05-11