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Issue 8, 2007
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Microfluidic consecutive flow-focusing droplet generators

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This article describes emulsification in a microfluidic double droplet generator (DDR) comprising two consecutive flow-focusing devices with locally modified surface chemistry. We generated W/O/W, O/O/W and O/W/O double emulsions with precisely controlled sizes and morphology of droplets. Secondly, by combining two mechanisms of droplet formation (the flow-focusing mechanism and the break up of liquid threads at T-junction) we produced multiple populations of droplets with varying size and/or composition. These droplets were used as the structural units for the formation of complex dynamic lattices.

Graphical abstract: Microfluidic consecutive flow-focusing droplet generators

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The article was received on 16 Jan 2007, accepted on 09 May 2007 and first published on 29 May 2007

Article type: Paper
DOI: 10.1039/B700687J
Soft Matter, 2007,3, 986-992

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    Microfluidic consecutive flow-focusing droplet generators

    M. Seo, C. Paquet, Z. Nie, S. Xu and E. Kumacheva, Soft Matter, 2007, 3, 986
    DOI: 10.1039/B700687J

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