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Issue 21, 2010
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Bio-inorganic microcapsules from templating protein- and bionanoparticle-stabilized Pickering emulsions

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Abstract

We hereby propose a novel method for the preparation of (bio-) inorganic microcapsules. Protein-stabilized oil-in-water Pickering emulsions formed a versatile scaffold for the mineralization with calcium phosphate. All reactions were performed at room temperature or 37 °C, respectively, and pH = 7.4. Different mineralization solutions, among them a simulated body fluid (SBF) for mimicking physiological conditions, gave different patterns of mineralization. Particularly, ferritin stabilized Pickering emulsions showed a slow nucleation and mineralization process. The formation of thin and rigid mineral shells could be readily achieved. We present a straightforward and at the same time extremely versatile approach here, which opens a new route to the preparation of hybrid materials with different hierarchical levels. These materials could find interesting applications in biomedicine, for cosmetic formulations or in food technology.

Graphical abstract: Bio-inorganic microcapsules from templating protein- and bionanoparticle-stabilized Pickering emulsions

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Publication details

The article was received on 27 Nov 2009, accepted on 19 Feb 2010 and first published on 23 Mar 2010


Article type: Paper
DOI: 10.1039/B925018B
Citation: J. Mater. Chem., 2010,20, 4299-4304
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    Bio-inorganic microcapsules from templating protein- and bionanoparticle-stabilized Pickering emulsions

    G. Jutz and A. Böker, J. Mater. Chem., 2010, 20, 4299
    DOI: 10.1039/B925018B

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