Size-dependent and property-independent passive microdroplet sorting by droplet transfer on dot rails

Dong Hyun Yoon*, Daiki Tanaka, Tetsushi Sekiguchi, Shuichi Shoji

*この研究の対応する著者

研究成果: Article査読

6 被引用数 (Scopus)

抄録

A fully passive microdroplet sorting method is presented in this paper. On the rails with dot patterns, the droplets were sorted in different ways depending on their size. However, the effect of droplet properties on the threshold size of the sorting was eliminated. The droplet positions on two railways and the Laplace pressure of the droplets on the dot patterns allowed selective droplet transfer according to size. Different gaps between the rails altered the threshold size of the transfer. However, the threshold size was independent of the droplet's surface tension and viscosity because the droplet transfer utilized only the droplet position and Laplace pressure without lateral flow to sort targets. This feature has a high potential for bio/chemical applications requiring categorization of droplet targets consisting of various mixtures as pre- or post-elements.

本文言語English
論文番号513
ジャーナルMicromachines
9
10
DOI
出版ステータスPublished - 2018 10 11

ASJC Scopus subject areas

  • 制御およびシステム工学
  • 機械工学
  • 電子工学および電気工学

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