Polyelectrolyte/surfactant films: from 2D to 3D structural control

Javier Carrascosa-Tejedor, Andreas Santamaria, Andrea Tummino, Imre Varga, Marina Efstratiou, M. Jayne Lawrence, Armando Maestro, Richard A. Campbell

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Abstract

Reversible control of the 3D structure of polyelectrolyte/surfactant films at the air/water interface is showcased. A recently discovered mechanism is exploited to form highly efficient, stable and biocompatible films by...Reversible control of the 3D structure of polyelectrolyte/surfactant films at the air/water interface is showcased. A recently discovered mechanism is exploited to form highly efficient, stable and biocompatible films by spreading aggregates composed of poly-l-lysine and sodium dodecyl sulfate on the surface of water. Reversible control of: (1) the surface monolayer coverage, (2) the switching on or off discrete extended structures, and (3) the extended structure coverage is demonstrated for the first time. The intricacy by which the film structures can be controlled is unprecedented and opens exciting potential to optimize properties by chemical design for novel biomedical transfer applications.
Original languageEnglish
JournalChemical Communications
Volume58
Issue number76
Early online date31 Aug 2022
DOIs
Publication statusPublished - 28 Sept 2022

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