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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1021/la4032514
|2 doi
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|a pubmed24n0781.xml
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|a (NLM)24400918
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lee, Koon-Yang
|e verfasserin
|4 aut
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| 245 |
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|a Phase behavior of medium and high internal phase water-in-oil emulsions stabilized solely by hydrophobized bacterial cellulose nanofibrils
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|c 2014
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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 08.09.2014
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|a Date Revised 21.01.2014
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Water-in-oil emulsions stabilized solely by bacterial cellulose nanofibers (BCNs), which were hydrophobized by esterification with organic acids of various chain lengths (acetic acid, C2-; hexanoic acid, C6-; dodecanoic acid, C12-), were produced and characterized. When using freeze-dried C6-BCN and C12-BCN, only a maximum water volume fraction (ϕw) of 60% could be stabilized, while no emulsion was obtained for C2-BCN. However, the maximum ϕw increased to 71%, 81%, and 77% for C2-BCN, C6-BCN, and C12-BCN, respectively, 150 h after the initial emulsification, thereby creating high internal phase water-in-toluene emulsions. The observed time-dependent behavior of these emulsions is consistent with the disentanglement and dispersion of freeze-dried modified BCN bundles into individual nanofibers with time. These emulsions exhibited catastrophic phase separation when ϕw was increased, as opposed to catastrophic phase inversion observed for other Pickering emulsions
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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 Oils
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Cellulose
|2 NLM
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|a 9004-34-6
|2 NLM
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|a Blaker, Jonny J
|e verfasserin
|4 aut
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|a Murakami, Ryo
|e verfasserin
|4 aut
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|a Heng, Jerry Y Y
|e verfasserin
|4 aut
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|a Bismarck, Alexander
|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 1992
|g 30(2014), 2 vom: 21. Jan., Seite 452-60
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:30
|g year:2014
|g number:2
|g day:21
|g month:01
|g pages:452-60
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|u http://dx.doi.org/10.1021/la4032514
|3 Volltext
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