Fractal-type particle gel formed from gelatin + starch solution

Using confocal microscopy and small-deformation rheology, we demonstrate the formation of stable thermoreversible gelatin-based gels with colloidal fractal-type microstructure. The opaque particle gels were made by cooling of transparent mixed aqueous solutions of gelatin (1-3 wt %) and starch (7 wt...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 23(2007), 8 vom: 10. Apr., Seite 4646-50
1. Verfasser: Firoozmand, Hassan (VerfasserIn)
Weitere Verfasser: Murray, Brent S, Dickinson, Eric
Format: Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Biopolymers Colloids Gels Solutions Gelatin 9000-70-8 Starch 9005-25-8
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245 1 0 |a Fractal-type particle gel formed from gelatin + starch solution 
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520 |a Using confocal microscopy and small-deformation rheology, we demonstrate the formation of stable thermoreversible gelatin-based gels with colloidal fractal-type microstructure. The opaque particle gels were made by cooling of transparent mixed aqueous solutions of gelatin (1-3 wt %) and starch (7 wt %) from 40 to 24 degrees C. The mechanism involves starch-induced gelatin self-association into phase-separated gelatin-rich microgel particles, followed by diffusion-limited cluster aggregation into a particle gel network 
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700 1 |a Murray, Brent S  |e verfasserin  |4 aut 
700 1 |a Dickinson, Eric  |e verfasserin  |4 aut 
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