期刊
LANGMUIR
卷 33, 期 22, 页码 5393-5397出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.langmuir.7b00092
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology, Japan
- JSPS KAKENHI [25103008, 25790033, 16H04032, 25103009]
- Grants-in-Aid for Scientific Research [25790033, 25103009, 16H04032, 16K17504, 15K05199, 25103008] Funding Source: KAKEN
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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