We present a method for studying the critical conditions for droplet coalescence in emulsion systems. By anchoring mono-disperse droplets in pairs and altering the bulk phase conditions we can determine the conditions of droplet coalescence. We used an aqueous phase dispersed in perfluorinated solvents that are commonplace in droplet microfluidic systems. These studies allow us to better understand the poorly characterized perfluorinated solvent emulsions as well as emulsions in general. The information from this research directly relates to other droplet microfluidic systems used for a variety of biological assays.

Chemically-induced droplet coalescence in a droplet microfluidic device

253rd National Meeting (2017)

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