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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la300435t
|2 doi
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|a pubmed24n0724.xml
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|a (DE-627)NLM217327397
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|a (NLM)22537241
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Klaus, Angelika
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Effect of salts on the phase behavior and the stability of nanoemulsions with rapeseed oil and an extended surfactant
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|c 2012
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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
|b cr
|2 rdacarrier
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|a Date Completed 06.09.2012
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|a Date Revised 01.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a For many decades, the solubilization of long-chain triglycerides in water has been a challenge. A new class of amphiphiles has been created to overcome this solubilization problem. The so-called "extended" surfactants contain a hydrophilic-lipophilic linker to reduce the contrast between the surfactant-water and surfactant-oil interfaces. In the present contribution, the effects of different anions and cations on the phase behavior of a mixture containing an extended surfactant (X-AES), a hydrotrope (sodium xylene sulfonate, SXS), water, and rapeseed oil were determined as a function of temperature. Nanoemulsions were obtained and characterized by conductivity measurements, light scattering, and optical microscopy. All salting-out salts show a transition from a clear region (O/W nanoemulsion), to a lamellar liquid crystalline phase region, a clear phase (bicontinuous L(3)), and again to a lamellar liquid crystalline phase region with increasing temperature. For the phase diagrams with NaSCN and Na(2)SO(4), only one clear region (O/W nanoemulsion) was observed, which turns into a lamellar phase region at elevated temperatures. Furthermore, the stability of the nanoemulsions was investigated by time-dependent measurements: the visual observation of phase separation, droplet size by dynamic light scattering (DLS), and optical microscopy. The mechanism of the different phase transitions is also discussed
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Emulsions
|2 NLM
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|a Fatty Acids, Monounsaturated
|2 NLM
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|a Plant Oils
|2 NLM
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|a Rapeseed Oil
|2 NLM
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|a Salts
|2 NLM
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|a Sulfates
|2 NLM
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|a Surface-Active Agents
|2 NLM
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|a Thiocyanates
|2 NLM
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|a Triglycerides
|2 NLM
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|a Xylenes
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a sodium sulfate
|2 NLM
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|a 0YPR65R21J
|2 NLM
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|a sodium thiocyanate
|2 NLM
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|a 5W0K9HKA05
|2 NLM
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| 700 |
1 |
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|a Tiddy, Gordon J T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Solans, Conxita
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Harrar, Agnes
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Touraud, Didier
|e verfasserin
|4 aut
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| 700 |
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|a Kunz, Werner
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 28(2012), 22 vom: 05. Juni, Seite 8318-28
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:28
|g year:2012
|g number:22
|g day:05
|g month:06
|g pages:8318-28
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| 856 |
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|u http://dx.doi.org/10.1021/la300435t
|3 Volltext
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|h 8318-28
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