Microfluidics and Nanofluidics

, Volume 4, Issue 3, pp 159–165 | Cite as

Digital microfluidic design and optimization of classic and new fluidic functions for lab on a chip systems

  • Yves Fouillet
  • Dorothée Jary
  • Claude Chabrol
  • Patricia Claustre
  • Christine Peponnet
Research Paper

Abstract

This paper deals with microfluidic studies for lab-on-a-chip development. The first goal was to develop microsystems immediately usable by biologists for complex protocol integrations. All fluid operations are performed on nano-liter droplet independently handled solely by electrowetting on dielectric (EWOD) actuation. A bottom-up architecture was used for chip design due to the development and validation of elementary fluidic designs, which are then assembled. This approach speeds up development and industrialization while minimizing the effort in designing and simplifying chip-fluidic programming. Dispensing reproducibility for 64 nl droplets obtained a CV below 3% and mixing time was only a few seconds. Ease of the integration was demonstrated by performing on chip serial dilutions of 2.8-folds, four times. The second part of this paper concerns the development of new innovative fluidic functions in order to extend EWOD-actuated digital fluidics’ capabilities. Experiments of particle dispensing by EWOD droplet handling are reported. Finally, work is shown concerning the coupling of EWOD actuation and magnetic fields for magnetic bead manipulation.

Keywords

Digital microfluidic Droplet Electrowetting Lab on a chip 

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  • Yves Fouillet
    • 1
  • Dorothée Jary
    • 1
  • Claude Chabrol
    • 1
  • Patricia Claustre
    • 1
  • Christine Peponnet
    • 1
  1. 1.Department of Technology for Biology and HealthCEA-Léti-MINATECGrenobleFrance

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