| DOI | Resolve DOI: https://doi.org/10.1016/j.colsurfa.2010.10.007 |
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| Author | Search for: Guo, Y.; Search for: Mulligan, C.N.; Search for: Nieh, M.-P.1 |
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| Affiliation | - National Research Council of Canada. NRC Canadian Neutron Beam Centre
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| Format | Text, Article |
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| Subject | Bio surfactant; Contrast variation; Cylinder-tovesicle phase transition; Cylindrical micelles; Oil-water; Rhamnolipids; Small angle neutron scattering; Structural phase; Vesicle; Binary mixtures; Biomolecules; Cylinders (shapes); Deuterium; Dissolution; Metadata; Micelles; Microemulsions; Neutron scattering; Neutrons; Soil pollution; Styrene; Surface active agents; Phase transitions; oil; rhamnolipid; styrene; chemical structure; micelle; microemulsion; neutron scattering; solubility |
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| Abstract | The aggregation behaviour of rhamnolipid as mixed with styrene (as a representative of hydrophobic molecules commonly found in contaminated soils) was investigated by small angle neutron scattering (SANS) as a function of both rhamnolipid and styrene concentrations. Contrast variation was applied (i.e., deuterated and hydrogenated styrene) to resolve the morphologies of aggregates. A structural transformation from cylindrical micelles to a binary mixture of cylindrical micelles and vesicles induced by both elevated rhamnolipid and styrene concentration is proposed based on the analysis of the SANS data. The resultant structure of the aggregates, vesicle, is different from the " oil droplets" commonly reported in the microemulsions of water-oil-surfactant mixtures. It is also found that this transformation is far from being complete even at the highest styrene solubility, implying that further dissolution of styrene may be constrained by other factors. © 2010. |
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| Publication date | 2011 |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| NPARC number | 21271441 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 949d05f0-5043-4659-925b-816ca7de599f |
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| Record created | 2014-03-24 |
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| Record modified | 2020-04-21 |
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