Depletion versus stabilization induced by polymers and nanoparticles: The state of the art
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AbstractThe entropic depletion interaction has been the subject of several studies over the past decade because it plays an important role in many industrial applications and also involves in controlling biological interactions. In this short review, we discuss recent developments associated with using nonintrusive optical techniques for directly measuring kBT-scale depletion interaction. In particular, we limit the scope of this review to the use of total internal reflection microscopy (TIRM) for quantitative measurements of interactions between a single, colloidal particle and a flat surface mediated by the presence of neutral polymers, polyelectrolytes, and charged nanoparticles with different softness based on our recent works. Finally, we conclude with some perspectives on future research efforts in this field.
All Author(s) ListXing X., Hua L., Ngai T.
Journal nameCurrent Opinion in Colloid and Interface Science
Year2015
Month1
Day1
Volume Number20
Issue Number1
PublisherPergamon Press
Place of PublicationUnited States
Pages54 - 59
ISSN1879-0399
LanguagesEnglish-United Kingdom
KeywordsColloidal interactions, Depletion force, Total internal reflection microscopy

Last updated on 2020-19-11 at 01:36