Urease-Catalyzed Carbonate Precipitation inside the Restricted Volume of Polyelectrolyte Capsules

A new biomimetic approach for performing CaCO3 synthesis exclusively inside micron‐sized polyelectrolyte capsules, based on the fermentative formation of a precipitative agent (CO32− anion) by urease‐catalyzed urea hydrolysis, was developed. Precipitated CaCO3 completely fills the interior capsule v...

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Bibliographic Details
Published in:Macromolecular rapid communications. 2003-03, Vol.24 (3), p.274-277
Main Authors: Antipov, Alexei, Shchukin, Dmitry, Fedutik, Yuri, Zanaveskina, Irina, Klechkovskaya, Vera, Sukhorukov, Gleb, Möhwald, Helmuth
Format: Article
Language:English
Subjects:
biomimetic synthesis
biomineralization
CaCO3
microencapsulation
polyelectrolyte capsule
urease
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Summary:A new biomimetic approach for performing CaCO3 synthesis exclusively inside micron‐sized polyelectrolyte capsules, based on the fermentative formation of a precipitative agent (CO32− anion) by urease‐catalyzed urea hydrolysis, was developed. Precipitated CaCO3 completely fills the interior capsule volume and has a metastable vaterite phase.
ISSN:1022-1336
1521-3927
DOI:10.1002/marc.200390041