Controlled generation of monodisperse discoid droplets using microchannel arrays.

摘要: We report a novel technique for generating geometrically confined droplets using unique microstructure composed of microchannel (MC) array and shallow well. Silicon MC devices were successfully used to generate monodisperse discoid oil-in-water (O/W) W/O types by forcing to-be-dispersed phase through channels into well filled with continuous phase. Monodisperse sizes down several micrometers obtained controlling the channel dimensions. The resultant formed mostly close-packed in consisting silicone oil/water/sodium dodecyl sulfate system did not coalesce during storage time seven days. Additionally, plates many can be useful increasing droplet productivity single microfluidic device.