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Exploring the effects of approach velocity on depletion force and coalescence in oil-in-water emulsions

Aarøen, Ola ; Riccardi, Enrico ; Sletmoen, Marit

RSC advances, 2021-02, Vol.11 (15), p.873-874 [Periódico revisado por pares]

England: Royal Society of Chemistry

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  • Título:
    Exploring the effects of approach velocity on depletion force and coalescence in oil-in-water emulsions
  • Autor: Aarøen, Ola ; Riccardi, Enrico ; Sletmoen, Marit
  • Assuntos: Chemistry ; Coalescing ; Depletion ; Droplets ; Emulsions ; Liquid phases ; Medical science ; Micromanipulation ; Optical trapping
  • É parte de: RSC advances, 2021-02, Vol.11 (15), p.873-874
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
    NFR/267669
  • Descrição: An emulsion is a thermodynamically unstable system consisting of at least two immiscible liquid phases, one of which is dispersed in the other in the form of droplets of varying size. Most studies on emulsions have focused on the behaviour of emulsion droplets with diameter from ∼50 μm and upwards. However, the properties of smaller droplets may be highly relevant in order to understand the behaviour of emulsions, including their performance in numerous applications within the fields of food, industry, and medical science. The relatively long life-time and small size of these droplets compared to other emulsion droplets, make them suited for optical trapping and micromanipulation technologies. Optical tweezers have previously shown potential in the study of stabilized emulsions. Here we employ optical tweezers to examine unstable oil-in-water emulsions to determine the effects of system parameters on depletion force and coalescence times. Presented here are ways of producing unstable emulsions and use these in optical tweezers studies to determine the effects of system parameters on droplet depletion force and coalescence time.
  • Editor: England: Royal Society of Chemistry
  • Idioma: Inglês;Norueguês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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