2004
DOI: 10.5650/jos.53.611
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Dynamic Light Scattering Studies on Ostwald Ripening and Composition Ripening of Oil Droplets in Oil-in-Water Emulsion Systems

Abstract: Ostwald ripening is the process whereby large droplets grow at the expense of small ones due to the molecular transport of dispersed phase from the small to large droplets through the intervening continuous phase (1). It is a direct consequence of the Kelvin effect (2), which relates the vapor pressure above the surface of a sphere to its radius. In a polydispersed system, the concentration of dissolved oil molecules surrounding small droplets is higher than that surrounding the large droplets. The kinetics of… Show more

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Cited by 6 publications
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“…The results supported the physical stability evaluation findings, where the D150 sample remained unaffected after 90 days of storage at 4 °C, which was not observed in C150. According to Musa et al and Usui et al, the Ostwald ripening rate of larger particle formulation could be enhanced in higher storage temperatures due to an increase in interfacial energy and solubility between smaller and larger droplets at high temperatures [ 57 , 58 ]. Accordingly, improved Ostwald ripening between nanoemulsion particles could be achieved by adjusting storage temperature.…”
Section: Resultsmentioning
confidence: 99%
“…The results supported the physical stability evaluation findings, where the D150 sample remained unaffected after 90 days of storage at 4 °C, which was not observed in C150. According to Musa et al and Usui et al, the Ostwald ripening rate of larger particle formulation could be enhanced in higher storage temperatures due to an increase in interfacial energy and solubility between smaller and larger droplets at high temperatures [ 57 , 58 ]. Accordingly, improved Ostwald ripening between nanoemulsion particles could be achieved by adjusting storage temperature.…”
Section: Resultsmentioning
confidence: 99%