Issue 11, 2007
From the journal:

Journal of Materials Chemistry

Ultrasound stimulated release and catalysis using polyelectrolyte multilayer capsules

Andre G. Skirtach,a   Bruno G. De Geest,b   Arif Mamedov,c   Alexei A. Antipov,d   Nicholas A. Kotove  and  Gleb B. Sukhorukov*f  

* Corresponding authors

a Max Planck Institute of Colloids & Interfaces, Am Muehlenberg 1, D-14476 Potsdam, Germany

b Laboratory of General Biochemistry and Physical Pharmacy, Department of Pharmaceutics, Ghent University, Harelbekestraat 72, 9000 Ghent, Belgium

c Nomadics Inc., 1024 InnoVation Parkway, Stillwater, Oklahoma 74074, USA

d PlasmaChem GmbH, Rudower Chaussee 29, D-12489 Berlin, Germany

e Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48798, USA

f Department of Materials, Queen Mary University of London, Mile End Road, London, UK
E-mail: g.sukhorukov@qmul.ac.uk
Fax: +44 (0)20 8981 9804
Tel: +44 (0)20 7882 5150

Abstract

Ultrasound has been used to trigger release of encapsulated material from polyelectrolyte multilayer capsules. Sonication was found to destroy both plain and nanoparticle-modified capsules. Cavitation occurs through the collapse of generated microbubbles and the resulting shear forces should cause the destruction of the polyelectrolyte capsules. Application in catalysis is demonstrated in this paper, while further potential usage of ultrasound triggered release is anticipated in bio-medical applications.

Graphical abstract: Ultrasound stimulated release and catalysis using polyelectrolyte multilayer capsules

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Article information

DOI
https://doi.org/10.1039/B609934C
Article type
Paper
Submitted
12 Jul 2006
Accepted
22 Nov 2006
First published
11 Dec 2006

J. Mater. Chem., 2007,17, 1050-1054

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Ultrasound stimulated release and catalysis using polyelectrolyte multilayer capsules

A. G. Skirtach, B. G. De Geest, A. Mamedov, A. A. Antipov, N. A. Kotov and G. B. Sukhorukov, J. Mater. Chem., 2007, 17, 1050 DOI: 10.1039/B609934C

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