Nature-inspired active micro-fluidic mixing using artificial cilia

Jaap M.J. den Toonder, Femke Bos, Dirk J. Broer, Murray Gillies, Judith de Goede, Titie Mol, Mireille Reijme, Wim Talen, Hans Wilderbeek, Viny Khatavkar, Patrick Anderson

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Creating good mixing flows in lab-on-chip systems poses a special challenge, due to the impossibility to generate turbulence. We propose a novel concept for active mixing, that is inspired by nature, namely micro-organisms that swim through a liquid by beating microscopic hairs, cilia, covering their surface. We have fabricated artificial cilia, based on electro-statically actuated polymer structures, and have integrated these in a micro-fluidic channel. Flow visualization experiments show that our cilia can generate very efficient mixing. Since the artificial cilia can be actively controlled using an electrical signal, they have exciting applications in micro-fluidic devices.

Original languageEnglish
Title of host publicationProceedings of the 11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007
EditorsJean-Louis Viovy, Patrick Tabeling, Stephanie Descroix, Laurent Malaquin
PublisherChemical and Biological Microsystems Society
Pages1143-1145
Number of pages3
ISBN (Electronic)9780979806407
Publication statusPublished - 2007
Event11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007 - Paris, France
Duration: 7 Oct 200711 Oct 2007

Conference

Conference11th International Conference on Miniaturized Systems for Chemistry and Life Sciences, uTAS 2007
Country/TerritoryFrance
CityParis
Period7/10/0711/10/07

Keywords

  • Active mixing
  • Artificial cilia
  • Micro-fluidics
  • Polymer actuators

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