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Creation of well-defined particle stabilized oil-in-water nanoemulsions
RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Life Science.
RISE., SP – Sveriges Tekniska Forskningsinstitut, SP Kemi Material och Ytor, Life Science.
2014 (engelsk)Inngår i: Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, E-ISSN 1873-4359, Vol. 459, s. 48-57Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The preparation of oil-in-water (o/w) nanoemulsions stabilized with silica nanoparticle sols has been investigated. The emulsification was performed using a high shear homogenizer (Microfluidizer TM processor, Microfluidics, USA). The effect of different processing conditions on the droplet size distribution and stability was investigated in emulsions prepared using different types of oils, oil concentration and particle/oil ratios. It was the ability of the particles to attach to, and stabilize the newly created interface, rather than their ability to lower the interfacial tension, what proved important for the drop size of the resulting emulsions. Changes in drop size distribution with time, attributed to Ostwald ripening effects, were observed for the more soluble oils, while stable nanoemulsions with droplet size of ~100-200. nm could be produced using a virtually water-insoluble oil such as squalene.

sted, utgiver, år, opplag, sider
2014. Vol. 459, s. 48-57
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URN: urn:nbn:se:ri:diva-6696DOI: 10.1016/j.colsurfa.2014.06.034Scopus ID: 2-s2.0-84904313556Lokal ID: 23690OAI: oai:DiVA.org:ri-6696DiVA, id: diva2:964536
Tilgjengelig fra: 2016-09-08 Laget: 2016-09-08 Sist oppdatert: 2023-05-23bibliografisk kontrollert

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