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Nanoengineered Chemical Synthesis Inside Restricted Volume of Nano- and Microsized Polyelectrolyte Capsules

Ziel

The idea of the proposed project is to employ hollow polyelectrolyte capsules as spatially-confined microreactors for synthesis of composite inorganic nanomaterials. Recently introduced, these capsules are made by layer-by-layer adsorption of oppositely charged polyelectrolytes on the surface of template nanoparticles with sequential removal of the template core. Polyelectrolyte capsules can act as excellent microreactors for carrying out physico-chemical processes (nanoparticle precipitation, biomineralization, biomimetic synthesis, photocatalytic synthesis, etc.) in their spatially restricted volume. The possibility of varying shell components and capsule size gives a considerable diversity in synthetic approaches and initial reagents while selective and controllable permeability of the capsule wall, which is a key factor for performing chemical reactions exclusively inside the capsule volume, allows to control diffusion of the reagents and reaction kinetics. The main project objectives are:
1) to understand mechanism of physico-chemical reactions in restricted capsule volume and to figure out parameters of crucial influence (shell, volume composition; capsule size; etc.) on the reaction kinetics and properties of resulting nanomaterials;
2) to fabricate new composite nanomaterials and to study their properties in comparison with properties of analogous nanomaterials obtained in bulky water solution;
3) to realize enzyme-containing polyelectrolyte capsules as semipermeable enzyme-driven nanoreactors for biomimetic synthesis of inorganic materials.

Proposed project is a multidisciplinary one and its results can be of interest for scientists from material science, biotechnology, nanotechnology, life science, catalysis, medicine, and environmental chemistry. The proposed project contributes to the "Nano-technologies and nano-sciences, knowledge-based multifunctional materials, new production processes and devices" thematic priority of 6th European Programme.

Wissenschaftliches Gebiet (EuroSciVoc)

CORDIS klassifiziert Projekte mit EuroSciVoc, einer mehrsprachigen Taxonomie der Wissenschaftsbereiche, durch einen halbautomatischen Prozess, der auf Verfahren der Verarbeitung natürlicher Sprache beruht.

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FP6-2002-MOBILITY-7
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MAX PLANCK GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.
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