NDLI: Molecular dynamics study of nanoparticles and non-ionic surfactant at an oil – water interface †

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Molecular dynamics study of nanoparticles and non-ionic surfactant at an oil – water interface †

Content Provider	Semantic Scholar
Author	Ranatunga, R. S. W. B. S. M. Nguyen, Chuong T. Wilson, Blake A. Shinoda, Wataru Nielsen, Steven O.
Copyright Year	2011
Abstract	Nanoparticles (NPs) and surfactants can spontaneously concentrate at the interface between two immiscible liquids, such as oil and water. Systems of high oil–water interfacial area, such as emulsions, are the basis of many industries and consumer products. Although NPs and surfactants are currently incorporated into many of these applications, their mutual interfacial behavior is not completely understood. Here we present molecular dynamics simulations of NPs and non-ionic surfactant in the vicinity of an oil–water interface. It was found that in low concentration the surfactants and NPs show cooperative behavior in lowering the oil–water interfacial tension, while at higher surfactant concentration this synergy is attenuated. It was also found that binding of surfactants to the NP surface decreases the surfactant efficiency in lowering the interfacial tension, while concurrently creating a barrier to NP aggregation.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.utdallas.edu/~son051000/my_publications/NPnonionic_softmatter2011.pdf
Language	English
Access Restriction	Open
Subject Keyword	Artificial nanoparticles Basal Ganglia Diseases Bis(Chloromethyl) Ether Charge (electrical) Complex systems Dispersive partial differential equation Emulsions Gibbs sampling Interaction Interface Device Component Interfacial Force Ionic Lactic acid Linear algebra Liquid substance Lower (action) Molecular Dynamics NL (complexity) Nps-murine interleukin-6 Pulmonary Surfactant-Associated Proteins Scratch -action Simulation Synergy Tension Headache free energy
Content Type	Text
Resource Type	Article

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