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Science 10 June 1994:
Vol. 264. no. 5165, pp. 1576 - 1578
DOI: 10.1126/science.264.5165.1576
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Articles

Crystal Tectonics: Construction of Reticulated Calcium Phosphate Frameworks in Bicontinuous Reverse Microemulsions

Dominic Walsh 1, Jeremy D. Hopwood 1, and Stephen Mann 1

1 School of Chemistry, University of Bath, Bath, BA2 7AY, UK.

The chemical construction of organized architectures is an important aspect of innovative materials synthesis. Bicontinuous water-filled microemulsions can be used as preorganized systems for the fabrication of crystalline calcium phosphate materials with extended reticulated microstructures. These macroporous materials are formed by mineralization reactions located within the interconnecting water channels of the bicontinuous network. The resulting materials represent replicas of the microemulsion architecture, but the pore sizes are incommensurate, suggesting that secondary modifications in the bicontinuous microstructure occur during crystal growth. Synthetic macroporous calcium phosphates could have uses in biomaterial implants.

Submitted on January 14, 1994
Accepted on April 25, 1994


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