Controlled generation of ultrathin-shell double emulsions and studies on their stability

Zhao, Chun-Xia, Chen, Dong, Hui, Yue, Weitz, David A. and Middelberg, Anton P. J. (2017) Controlled generation of ultrathin-shell double emulsions and studies on their stability. ChemPhysChem, 18 10: 1393-1399. doi:10.1002/cphc.201601334

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Author Zhao, Chun-Xia
Chen, Dong
Hui, Yue
Weitz, David A.
Middelberg, Anton P. J.
Title Controlled generation of ultrathin-shell double emulsions and studies on their stability
Journal name ChemPhysChem   Check publisher's open access policy
ISSN 1439-7641
Publication date 2017-03-20
Sub-type Article (original research)
DOI 10.1002/cphc.201601334
Open Access Status File (Author Post-print)
Volume 18
Issue 10
Start page 1393
End page 1399
Total pages 8
Place of publication Weinheim, Germany
Publisher Wiley - V C H Verlag GmbH & Co. KGaA
Language eng
Subject 3107 Atomic and Molecular Physics, and Optics
1606 Physical and Theoretical Chemistry
Abstract Double emulsions with a hierarchical core-shell structure have great potential in various applications, but their broad use is limited by their instability. To improve stability, water-in-oil-in-water (W/O/W) emulsions with an ultrathin oil layer of several hundred nanometres were produced by using a microcapillary device. The effects of various parameters on the generation of ultrathin-shell double emulsions and their droplet size were investigated, including the proper combinations of inner, middle and outer phases, flow rates and surfactants. The surfactant in the middle oil phase was found to be critical for the formation of the ultrathin-shell double emulsions. Furthermore, the stability of these double emulsions can be notably improved by increasing the concentration of the surfactant, and they can be stable for months. This opens up new opportunities for their future applications in cosmetics, foods and pharmaceuticals.
Keyword Emulsions
Glass capillary devices
Q-Index Code C1
Q-Index Status Provisional Code
Grant ID DMR-1310266
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
Australian Institute for Bioengineering and Nanotechnology Publications
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Citation counts: TR Web of Science Citation Count  Cited 2 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 2 times in Scopus Article | Citations
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