Water-in-Oil Pickering Emulsions Stabilized by Hydrophobized Protein Microspheres

Water-in-oil (w/o) Pickering emulsions have gained considerable attention in colloid science and daily applications. However, for the formation of w/o emulsions, especially those with high internal water content, the particulate stabilizers are required to be sufficiently hydrophobic, and synthetic...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 38(2022), 40 vom: 11. Okt., Seite 12273-12280
1. Verfasser: Jiang, Hang (VerfasserIn)
Weitere Verfasser: Hu, Xiaofeng, Jiang, Weijie, Guan, Xin, Li, Yunxing, Ngai, To
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Emulsions Oils Water 059QF0KO0R Silicon Dioxide 7631-86-9 Zein 9010-66-6 mehr... Ascorbic Acid PQ6CK8PD0R
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520 |a Water-in-oil (w/o) Pickering emulsions have gained considerable attention in colloid science and daily applications. However, for the formation of w/o emulsions, especially those with high internal water content, the particulate stabilizers are required to be sufficiently hydrophobic, and synthetic or chemically modified particles have been mostly reported until now, which are not biocompatible and sustainable. We present a zein protein-based microsphere derived from the Pickering emulsion template, in which protein microspheres are feasibly in situ hydrophobized by silica nanoparticles, enabling the stabilization of w/o Pickering emulsions. The effects of microsphere concentration, water/oil volume ratio, oil types, and pH on the stabilization of prepared w/o emulsions are systematically studied, revealing prominent characteristics of the controllable size, high water fraction, universal adaptation of oils, as well as broad pH stability. As a demonstration, the Pickering emulsion effectively encapsulates vitamin C and shows high stability for long storage duration against ultraviolet radiation/heat. Therefore, this novel proteinaceous particle-stabilized w/o Pickering emulsion has great potential in the delivery and protection of water-soluble bioactive substrates 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a 7631-86-9  |2 NLM 
650 7 |a Zein  |2 NLM 
650 7 |a 9010-66-6  |2 NLM 
650 7 |a Ascorbic Acid  |2 NLM 
650 7 |a PQ6CK8PD0R  |2 NLM 
700 1 |a Hu, Xiaofeng  |e verfasserin  |4 aut 
700 1 |a Jiang, Weijie  |e verfasserin  |4 aut 
700 1 |a Guan, Xin  |e verfasserin  |4 aut 
700 1 |a Li, Yunxing  |e verfasserin  |4 aut 
700 1 |a Ngai, To  |e verfasserin  |4 aut 
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