Volume 44, Issue 21 pp. 3310-3314
Communication

Gas-Filled Polyelectrolyte Capsules

Dmitry G. Shchukin Dr.

Dmitry G. Shchukin Dr.

Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany, Fax: (+49) 331-567-9202

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Karen Köhler

Karen Köhler

Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany, Fax: (+49) 331-567-9202

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Helmuth Möhwald Prof. Dr.

Helmuth Möhwald Prof. Dr.

Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany, Fax: (+49) 331-567-9202

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Gleb B. Sukhorukov Dr.

Gleb B. Sukhorukov Dr.

Max Planck Institute of Colloids and Interfaces, 14424 Potsdam, Germany, Fax: (+49) 331-567-9202

The IRC in Biomedical Materials, Queen Mary University of London, Mile End Road, London, E1 4NS, UK

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First published: 17 May 2005
Citations: 99

D.G.S. acknowledges the Alexander von Humboldt Foundation for an individual research fellowship. The authors thank Dr. Jürgen Hartman and Rona Pitschke for transmission electron microscopy analysis, Anne Heilig for atomic force microscopy analysis, and Roy Knocke for Raman spectra.

Graphical Abstract

Full of air: Electrostatic layer-by-layer assembly of polyelectrolyte multilayers was successfully accomplished on the surface of an air microbubble (core). The resulting polyelectrolyte shell stabilizes the air microbubbles against collapse and prevents the dissolution of air in aqueous media. Air-containing polyallylamine/poly(styrene sulfonate)(PAH/PSS) microcapsules have a broad size distribution (1–20 μm).

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