A microfluidic platform for on-demand formation and merging of microdroplets using electric control

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Abstract

We discuss a microfluidic system in which (programmable) local electric fields originating from embedded and protected electrodes are used to control the formation and merging of droplets in a microchannel. The creation of droplets-on-demand (DOD) is implemented using the principle of electrowetting. Combined with hydrodynamic control, the droplet size and formation frequency can be varied independently. Using two synchronized DOD injectors, merging-on-demand (MOD) is achieved via electrocoalescence. The efficiency of MOD is 98% based on hundreds of observations. These two functionalities can be activated independently.
Original languageEnglish
Article number011101
Pages (from-to)-
JournalBiomicrofluidics
Volume5
Issue number1
DOIs
Publication statusPublished - 2011

Keywords

  • METIS-276556
  • IR-104561

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