TY - GEN
T1 - Oil-in-water droplet formation in hydrophobic PDMS device using three-dimensional protruded taper channel
AU - Tang, Chenwei
AU - Yoon, Dong Hyun
AU - Sekiguchi, Tetsushi
AU - Shoji, Shuichi
N1 - Funding Information:
This work is partly supported by Japan Ministry of Education, Culture, Sports Science & (MEXT) Grant-in-Aid for Scientific Basic Research (A) No. 16H02349.
Publisher Copyright:
Copyright© (2018) by Chemical and Biological Microsystems Society.All rights reserved.
PY - 2018
Y1 - 2018
N2 - We developed an oil-in-water droplet formation method in a 3D stacked PDMS device without hydrophilic treatment using structural feature only. Three-dimensional junction shape of oil-water phase injection channels suppressed contact and spreading of oil on the wall surface which was critical problem of droplet formation for unfavourable wetting condition. Dimension of droplets formed under various flow conditions was provided and effects of each channel's shape on the droplet formation results were evaluated. The proposed structure can be used as a droplet generator and element for droplet based researches employing various materials.
AB - We developed an oil-in-water droplet formation method in a 3D stacked PDMS device without hydrophilic treatment using structural feature only. Three-dimensional junction shape of oil-water phase injection channels suppressed contact and spreading of oil on the wall surface which was critical problem of droplet formation for unfavourable wetting condition. Dimension of droplets formed under various flow conditions was provided and effects of each channel's shape on the droplet formation results were evaluated. The proposed structure can be used as a droplet generator and element for droplet based researches employing various materials.
KW - 3D microfluidics
KW - Isolated protrusion-end
KW - Oil-in-water droplet
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M3 - Conference contribution
AN - SCOPUS:85079871258
T3 - 22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
SP - 395
EP - 397
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 -