Microstructure of aragonite grown at an air–liquid interface |
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Authors: | A L Litvin D L Kaplan Changmo Sung |
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Affiliation: | (1) Biotechnology Division, US Army Natick Research, Development and Engineering Center, Natick, Massachusetts 01760, USA;(2) Geo-Centers, Inc., Natick, Massachusetts 01760, USA;(3) Biotechnology Center, Tufts University, Medford, Massachusetts 02155, USA;(4) Center for Advanced Materials, University of Massachusetts, Lowell, MA 01854, USA |
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Abstract: | Aragonite particles dispersed in a bioresorbable polymer matrix are considered to be a good candidate for bone prosthesis
materials. It is important to characterize the microstructure of synthetic aragonite used for biomedical applications, since
the microstructure may influence its integration, resorption and replacement by bone. We studied late stages of aragonite
growth, at an air–liquid interface, from a solution not doped with additives. Comparison was made between the types of synthetic
aragonite microstructure and that of aragonite which is found in nature (mollusc shells, gallstones, Earth's crust). The microstructure
of natural aragonite is unique to certain classes of living organisms and the understanding of its structure/function relationships
may help to select the types of synthetic aragonite for specific biomedical applications. Three types of synthetic aragonite
were observed based on grain size and grain morphology.
This revised version was published online in November 2006 with corrections to the Cover Date. |
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