A Microfluidic Platform for the Production of Monodisperse Ultralow Interfacial Tension Oil Droplets in Water

نویسندگان

  • G. Bolognesi
  • A. Hargreaves
  • A. D. Ward
  • A. K. Kirby
  • C. D. Bain
چکیده

We present a novel microfluidic approach for the generation of monodisperse oil droplets in water with ultra-low interfacial tensions. Using an oil-water-surfactant formulation under conditions close to the microemulsion phase transition, we actively controlled the surface tension at the liquid-liquid interface within the microfluidic device in order to produce monodisperse droplets. These droplets exhibited high levels of stability with respect to rupture and coalescence rates. Confirmation that the resultant emulsions were in the ultra-low tension regime was determined using real space detection of thermally-induced capillary waves at the droplet interface.

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تاریخ انتشار 2014