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Daria V. Andreeva, Dmitry V. Sviridov, Admir Masic, Helmuth Möhwald and Ekaterina V. Skorb Nanoengineered Metal Surface Capsules: Construction of a Metal-Protection System Small 8

Article first published online: 9 JAN 2012 | DOI: 10.1002/smll.201102365

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Sonochemically formed metal capsules, which can protect a metal surface and release active compounds, are presented. The capsules are formed by modifying a metal surface into having a porous sponge layer; this layer is continuous with the bulk metal allowing for excellent adhesion. The porosity of the sponge layer and polyelectrolyte complexes allows active compounds to be stored and released depending on external stimuli. These porous capsules open up prospects in metal nanoengineering and surface protection as well as in encapsulation and polyelectrolyte applications.

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