Controlling Microdroplet Inner Rotation by Parallel Carrier Flow of Sesame and Silicone Oils
We developed a method for passively controlling microdroplet rotation, including interior rotation, using a parallel flow comprising silicone and sesame oils. This device has a simple 2D structure with a straight channel and T-junctions fabricated from polydimethylsiloxane. A microdroplet that forms...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-12-01
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| Series: | Micromachines |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2072-666X/13/1/9 |
| _version_ | 1797491902637932544 |
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| author | Hibiki Yoshimura Daiki Tanaka Masahiro Furuya Tetsushi Sekiguchi Shuichi Shoji |
| author_facet | Hibiki Yoshimura Daiki Tanaka Masahiro Furuya Tetsushi Sekiguchi Shuichi Shoji |
| author_sort | Hibiki Yoshimura |
| collection | DOAJ |
| description | We developed a method for passively controlling microdroplet rotation, including interior rotation, using a parallel flow comprising silicone and sesame oils. This device has a simple 2D structure with a straight channel and T-junctions fabricated from polydimethylsiloxane. A microdroplet that forms upstream moves into the sesame oil. Then, the largest flow velocity at the interface of the two oil layers applies a rotational force to the microdroplet. A microdroplet in the lower oil rotates clockwise while that in the upper oil rotates anti-clockwise. The rotational direction was controlled by a simple combination of sesame and silicone oils. Droplet interior flow was visualized by tracking microbeads inside the microdroplets. This study will contribute to the efficient creation of chiral molecules for pharmaceutical and materials development by controlling rotational direction and speed. |
| first_indexed | 2024-03-10T00:55:56Z |
| format | Article |
| id | doaj.art-996b10dcbdba47bf919da85f53cf7b52 |
| institution | Directory Open Access Journal |
| issn | 2072-666X |
| language | English |
| last_indexed | 2024-03-10T00:55:56Z |
| publishDate | 2021-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj.art-996b10dcbdba47bf919da85f53cf7b522023-11-23T14:43:29ZengMDPI AGMicromachines2072-666X2021-12-01131910.3390/mi13010009Controlling Microdroplet Inner Rotation by Parallel Carrier Flow of Sesame and Silicone OilsHibiki Yoshimura0Daiki Tanaka1Masahiro Furuya2Tetsushi Sekiguchi3Shuichi Shoji4Major in Nanoscience and Nanoengineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, JapanResearch Organization for Nano & Life Innovation, Waseda University, 513 Tsurumakicho, Shinjuku, Tokyo 162-0041, JapanCooperative Major in Nuclear Energy, Graduate School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, JapanResearch Organization for Nano & Life Innovation, Waseda University, 513 Tsurumakicho, Shinjuku, Tokyo 162-0041, JapanMajor in Nanoscience and Nanoengineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, JapanWe developed a method for passively controlling microdroplet rotation, including interior rotation, using a parallel flow comprising silicone and sesame oils. This device has a simple 2D structure with a straight channel and T-junctions fabricated from polydimethylsiloxane. A microdroplet that forms upstream moves into the sesame oil. Then, the largest flow velocity at the interface of the two oil layers applies a rotational force to the microdroplet. A microdroplet in the lower oil rotates clockwise while that in the upper oil rotates anti-clockwise. The rotational direction was controlled by a simple combination of sesame and silicone oils. Droplet interior flow was visualized by tracking microbeads inside the microdroplets. This study will contribute to the efficient creation of chiral molecules for pharmaceutical and materials development by controlling rotational direction and speed.https://www.mdpi.com/2072-666X/13/1/9microdropletspassiverotationparallel flow |
| spellingShingle | Hibiki Yoshimura Daiki Tanaka Masahiro Furuya Tetsushi Sekiguchi Shuichi Shoji Controlling Microdroplet Inner Rotation by Parallel Carrier Flow of Sesame and Silicone Oils Micromachines microdroplets passive rotation parallel flow |
| title | Controlling Microdroplet Inner Rotation by Parallel Carrier Flow of Sesame and Silicone Oils |
| title_full | Controlling Microdroplet Inner Rotation by Parallel Carrier Flow of Sesame and Silicone Oils |
| title_fullStr | Controlling Microdroplet Inner Rotation by Parallel Carrier Flow of Sesame and Silicone Oils |
| title_full_unstemmed | Controlling Microdroplet Inner Rotation by Parallel Carrier Flow of Sesame and Silicone Oils |
| title_short | Controlling Microdroplet Inner Rotation by Parallel Carrier Flow of Sesame and Silicone Oils |
| title_sort | controlling microdroplet inner rotation by parallel carrier flow of sesame and silicone oils |
| topic | microdroplets passive rotation parallel flow |
| url | https://www.mdpi.com/2072-666X/13/1/9 |
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