Abstract
Cell sorting is an important technique for single-cell research. Especially, micro-chip cell sorting has recently attracted attention for its potential of high-speed manipulation efficiency [1,2]. Now, we have developed a new cell sorting system combining a femtosecond laser (fs-laser) with a microfluidic chip. When an intense fs-laser is focused into liquid, an explosive evaporation of the aqueous solutions at the laser focal point induces a jet flow, which is utilized as an external force for manipulation. Herein, we proposed to modify this jet flow by making a micro-structure. In this work, we studied on fluid dynamics at micro-structure in the chip channel, and applied this to our new sorting system.
© 2018 The Japan Society of Applied Physics
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