Cover Picture: Microcontainers with Fluorescent Anisotropic Zeolite L Cores and Isotropic Silica Shells (Angew. Chem. Int. Ed. 7/2009)

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Abstract

Nanocontainers composed of zeolite L crystals were filled with fluorescent dyes and used as the core of a silica “box-in-a-box” construction as in Russian matryoshka dolls, as described by A. Guerrero-Martínez, L. de Cola, and co-workers in their Communication on page 1266 ff. The anisotropic cores and isotropic shells of the multicolor emitting systems are separated by a polyelectrolyte layer and can be addressed independently. This approach opens fascinating routes for the construction of multifunctional nanosystems.

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