TY - GEN
T1 - Mechanically and directionally tunable soft step emulsification
AU - Choi, Seungman
AU - Tottori, Naotomo
AU - Nisisako, Takasi
PY - 2018/1/1
Y1 - 2018/1/1
N2 - We propose a novel concept, Soft Step Emulsification (SSE): actively-tunable geometry-dependent droplet generation in an elastic device. By mechanically stretching a whole device made of polydimethylsiloxane (PDMS), we induce deformation of internally confined micro nozzles, tuning the droplet break-off in step emulsification. The shrinkage/expansion of the nozzles could be switched when changing directions of stretching by 90°, allowing us to flexibly tune the sizes of water-in-oil (W/O) droplets in the combined range of 9-18 µm with CVs of 5-8%.
AB - We propose a novel concept, Soft Step Emulsification (SSE): actively-tunable geometry-dependent droplet generation in an elastic device. By mechanically stretching a whole device made of polydimethylsiloxane (PDMS), we induce deformation of internally confined micro nozzles, tuning the droplet break-off in step emulsification. The shrinkage/expansion of the nozzles could be switched when changing directions of stretching by 90°, allowing us to flexibly tune the sizes of water-in-oil (W/O) droplets in the combined range of 9-18 µm with CVs of 5-8%.
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M3 - Conference contribution
T3 - 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
SP - 216
EP - 217
BT - 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
PB - Chemical and Biological Microsystems Society
T2 - 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
Y2 - 11 November 2018 through 15 November 2018
ER -