Micromixing of Fluids within Droplets Generated on Centrifugal Microfluidics
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概要
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Experiments were carried out to visualize mixing and reaction of two water-based solutions inside the droplets generated in the microchannels on a rotating disk. The microchannels were composed of a Y-junction to bring the two solutions into contact, a flow-focusing junction to form water-in-oil droplets, and a U-shaped channel to further enhance the droplet mixing. In the centrifugal microfluidics, plug-type droplets of 582-820 µm in length were formed at rotational speeds in the range 400-500 rpm. The mixing efficiency can be highly enhanced to reach as much as 85% for the lower rotational speed where smaller droplets are formed due to lower dispersed-phase flow velocity.
著者
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Chen Jerry
Department Of Electrical Engineering And Computer Science Massachusetts Institute Of Technology
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CHEN Yu-Jen
Department of Mechanical Engineering, National Chung Hsing University
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TSENG Lung-Sheng
Department of Mechanical Engineering, National Chung Hsing University
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