Issue 4, 2015

Chemically induced coalescence in droplet-based microfluidics

Abstract

We present a new microfluidic method to coalesce pairs of surfactant-stabilized water-in-fluorocarbon oil droplets. We achieve this through the local addition of a poor solvent for the surfactant, perfluorobutanol, which induces cohesion between droplet interfaces causing them to merge. The efficiency of this technique is comparable to existing techniques providing an alternative method to coalesce pairs of droplets.

Graphical abstract: Chemically induced coalescence in droplet-based microfluidics

Supplementary files

Article information

Article type
Paper
Submitted
30 Oct 2014
Accepted
16 Dec 2014
First published
16 Dec 2014

Lab Chip, 2015,15, 1140-1144

Chemically induced coalescence in droplet-based microfluidics

I. Akartuna, D. M. Aubrecht, T. E. Kodger and D. A. Weitz, Lab Chip, 2015, 15, 1140 DOI: 10.1039/C4LC01285B

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