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Interactions betwee...
Interactions between interfaces dictate stimuli-responsive emulsion behaviour
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- Rey, Marcel, 1989 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
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Kolker, Jannis (författare)
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Richards, James A. (författare)
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Malhotra, Isha (författare)
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Glen, Thomas S. (författare)
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Li, N. Y. Denise (författare)
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Laidlaw, Fraser H. J. (författare)
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Renggli, Damian (författare)
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Vermant, Jan (författare)
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Schofield, Andrew B. (författare)
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Fujii, Syuji (författare)
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Loewen, Hartmut (författare)
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Clegg, Paul S. (författare)
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(creator_code:org_t)
- 2023
- 2023
- Engelska.
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Ingår i: NATURE COMMUNICATIONS. - 2041-1723. ; 14:1
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Stimuli-responsive emulsions offer a dual advantage, combining long-term storage with controlled release triggered by external cues such as pH or temperature changes. This study establishes that thermo-responsive emulsion behaviour is primarily determined by interactions between, rather than within, interfaces. Consequently, the stability of these emulsions is intricately tied to the nature of the stabilizing microgel particles - whether they are more polymeric or colloidal, and the morphology they assume at the liquid interface. The colloidal properties of the microgels provide the foundation for the long-term stability of Pickering emulsions. However, limited deformability can lead to non-responsive emulsions. Conversely, the polymeric properties of the microgels enable them to spread and flatten at the liquid interface, enabling stimuli-responsive behaviour. Furthermore, microgels shared between two emulsion droplets in flocculated emulsions facilitate stimuli-responsiveness, regardless of their internal architecture. This underscores the pivotal role of microgel morphology and the forces they exert on liquid interfaces in the control and design of stimuli-responsive emulsions and interfaces. Stimuli-responsive emulsions are useful for long-term storage combined with controlled release, but the fundamental mechanism behind this release is not established. Here, the authors report a study into the effect of individual microgel morphology on the destabilisation of responsive emulsions.
Ämnesord
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
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Rey, Marcel, 198 ...
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Kolker, Jannis
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Richards, James ...
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Malhotra, Isha
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Glen, Thomas S.
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Li, N. Y. Denise
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visa fler...
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Laidlaw, Fraser ...
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Renggli, Damian
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Vermant, Jan
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Schofield, Andre ...
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Fujii, Syuji
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Loewen, Hartmut
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Clegg, Paul S.
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visa färre...
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