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Self-Propelled Motion of Monodisperse Underwater Oil Droplets Formed by a Microfluidic Device.
Ueno, Naoko; Banno, Taisuke; Asami, Arisa; Kazayama, Yuki; Morimoto, Yuya; Osaki, Toshihisa; Takeuchi, Shoji; Kitahata, Hiroyuki; Toyota, Taro.
Afiliação
  • Ueno N; Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo , 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan.
  • Banno T; Department of Applied Chemistry, Faculty of Science and Technology, Keio University , 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 223-8522, Japan.
  • Asami A; Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo , 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan.
  • Kazayama Y; Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo , 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan.
  • Morimoto Y; Institute of Industrial Science (IIS), The University of Tokyo , 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan.
  • Osaki T; Institute of Industrial Science (IIS), The University of Tokyo , 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan.
  • Takeuchi S; KAST R&D, Kanagawa Institute of Industrial Science and Technology , 3-2-1 Sakado, Takatsu-ku, Kawasaki City, Kanagawa 213-0012, Japan.
  • Kitahata H; Institute of Industrial Science (IIS), The University of Tokyo , 4-6-1 Komaba, Meguro, Tokyo 153-8505, Japan.
  • Toyota T; Department of Physics, Chiba University , 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan.
Langmuir ; 33(22): 5393-5397, 2017 06 06.
Article em En | MEDLINE | ID: mdl-28502179
ABSTRACT
We evaluated the speed profile of self-propelled underwater oil droplets comprising a hydrophobic aldehyde derivative in terms of their diameter and the surrounding surfactant concentration using a microfluidic device. We found that the speed of the oil droplets is dependent on not only the surfactant concentration but also the droplet size in a certain range of the surfactant concentration. This tendency is interpreted in terms of combination of the oil and surfactant affording spontaneous emulsification in addition to the Marangoni effect.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2017 Tipo de documento: Article
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2017 Tipo de documento: Article