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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b01090
|2 doi
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|a pubmed25n0944.xml
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|a DE-627
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|a eng
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| 100 |
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|a Watahiki, Yasuhito
|e verfasserin
|4 aut
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|a Experimental Investigation of the Self-Propelled Motion of a Sodium Oleate Tablet and Boat at an Oil-Water Interface
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 10.09.2018
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|a Date Revised 10.09.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a The self-propelled behaviors of macroscopic inanimate objects at surfaces and interfaces are ubiquitous phenomena of fundamental interest in interface science. However, given the existence of a large variety of systems with their own inherent chemical properties, the kinematics of the self-propelled motion and the dynamics of the forces driving these systems often remain largely unknown. Here, we experimentally investigate the spontaneous motion of a sodium oleate tablet at a water-nitrobenzene interface, under nonequilibrium and global isothermal conditions, through measurements of the interfacial tension with the noninvasive, quasi-elastic laser scattering method. The sodium oleate tablet was self-propelled due to an imbalance in the interfacial tension induced by the inhomogeneous adsorption of oleate/oleic acid molecules. The kinetics of the self-propelled motion of a boat-shaped plastic sheet bearing sodium oleate tablets at a sodium oleate aqueous solution-nitrobenzene interface was also studied. The interfacial tension difference between the front and rear of the boat was quantitatively identified as the force pushing the boat forward, although the Marangoni flow due to the uneven distribution of the interfacial tension behind the boat tended to decelerate the motion
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Nomoto, Tomonori
|e verfasserin
|4 aut
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|a Chiari, Luca
|e verfasserin
|4 aut
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|a Toyota, Taro
|e verfasserin
|4 aut
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|a Fujinami, Masanori
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 34(2018), 19 vom: 15. Mai, Seite 5487-5494
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:34
|g year:2018
|g number:19
|g day:15
|g month:05
|g pages:5487-5494
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|u http://dx.doi.org/10.1021/acs.langmuir.8b01090
|3 Volltext
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