用于处理液体塞的电化学双向微泵

2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS) Pub Date : 2015-06-21 DOI:10.1109/TRANSDUCERS.2015.7181293

H. Obata, T. Kuji, M. Yokokawa, H. Suzuki

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引用次数: 0

摘要

研制了一种基于氢气气泡产生和收缩的电化学微泵。通过在铂黑电极上产生和收缩氢气泡，实现了溶液在微流控通道中的双向运动。通过将质子/氢的还原氧化与锌的氧化(溶解)和银的沉积耦合在与铂黑电极相连的电极上，该泵还可以通过改变混合电位来实现自主运行。泵可以通过微针抽出外部溶液。此外，两个集成泵可以控制微制造流道中的溶液塞。

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Electrochemical bidirectional micropump for processing of liquid plugs

An electrochemical micropump based on the production and shrinkage of hydrogen bubbles was fabricated. Bidirectional movement of a solution in a microfluidic channel was realized by producing and shrinking hydrogen bubbles on a platinum black electrode. The pump could also be operated autonomously by changing the mixed potential, which was realized by coupling the reduction and oxidation of protons/hydrogen with the oxidation (dissolution) of zinc and deposition of silver on electrodes connected to the platinum black electrode. The pump could withdraw an external solution through a microneedle. Also, two integrated pumps could manipulate solution plugs in microfabricated flow channels.

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2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS)

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