Micro droplet collider: Its application to micromixer

Katsuyoshi Takahashi, Kazuma Mawatari, Arata Aota, Akihide Hibara, Takehiko Kitamori

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Micro droplet collider on a chip was newly developed. Two droplets were metered by utilizing microchannel structures and hydrophobic pressure barriers called Laplace valves (LVs). One droplet was shot and accelerated from one LV by controlled air pressure. The accelerated droplet successfully collided to the other droplet, which was metered and transported to a chamber beforehand. We applied this concept to micromixer as one demonstration. Mixing of two droplets which had 1:10 volume ratio (totally ∼5 nl) was achieved within 0.5 s, which was more than 6,000-fold faster than that of molecular diffusive mixing.

Original languageEnglish
Title of host publicationProceedings of Conference, MicroTAS 2009 - The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PublisherChemical and Biological Microsystems Society
Pages1413-1415
Number of pages3
ISBN (Print)9780979806421
Publication statusPublished - 2009 Jan 1
Externally publishedYes
Event13th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2009 - Jeju, Korea, Republic of
Duration: 2009 Nov 12009 Nov 5

Publication series

NameProceedings of Conference, MicroTAS 2009 - The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences

Other

Other13th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2009
CountryKorea, Republic of
CityJeju
Period09/11/109/11/5

Keywords

  • Laplace valvec
  • Micro droplet collider
  • Mixing

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Bioengineering

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  • Cite this

    Takahashi, K., Mawatari, K., Aota, A., Hibara, A., & Kitamori, T. (2009). Micro droplet collider: Its application to micromixer. In Proceedings of Conference, MicroTAS 2009 - The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences (pp. 1413-1415). (Proceedings of Conference, MicroTAS 2009 - The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences). Chemical and Biological Microsystems Society.