Behavior of pH-sensitive core shell particles at the air-water interface

Mark D'Souza Mathew, Mohamed S. Manga, Timothy N. Hunter, Olivier J. Cayre, Simon Biggs

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


In this article, the adsorption of latex core-responsive polymer-shell nanoparticles at the air-water interface is investigated using a Langmuir trough. Phase transition isotherms are used to explore their responsive behavior at the interface as a function of changes in the pH of the subphase. By adjusting the pH of the water prior to particle deposition, we probe the effect of the stabilizing polymer wetting by the water subphase on the stability of these particles at the air-water interface. In addition, by initially compressing a stable film of adsorbed particles and then subsequently changing the pH of the subphase we study desorption of these particles into the water phase.

Original languageEnglish
Pages (from-to)5085-5092
Number of pages8
Issue number11
Publication statusPublished - 20 Mar 2012
Externally publishedYes


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