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Biomimetic synthesis of calcium-strontium apatite hollow nanospheres

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Abstract

In this work, calcium-strontium apatite (Sr-HA) hollow nanospheres were synthesized by a facile biomimetic method. The structure and property of Sr-HA were characterized by FESEM, TEM, HRTEM, XRD and FT-IR spectroscopy. The influences of different ratios of calcium and strontium on the morphologies of the Sr-HA products were investigated. The experimental results revealed that the hollow spherical Sr-HA, with a size of 30–120 nm in diameter, could be synthesized when the molar ratio of Ca/Sr was 1:1. The possible formation mechanism of the hollow Sr-HA was proposed. The drug release experiments indicated that the hollow spherical Sr-HA had the property of sustained release.

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Authors and Affiliations

  1. State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing, 100029, China

    Yong Gan, DongMei Han, FuBo Gu, ZhiHua Wang & GuangSheng Guo

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  1. Yong Gan
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  2. DongMei Han
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  3. FuBo Gu
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  4. ZhiHua Wang
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  5. GuangSheng Guo
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Correspondence to GuangSheng Guo.

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Gan, Y., Han, D., Gu, F. et al. Biomimetic synthesis of calcium-strontium apatite hollow nanospheres. Sci. China Chem. 53, 1723–1727 (2010). https://doi.org/10.1007/s11426-010-3171-4

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  • DOI: https://doi.org/10.1007/s11426-010-3171-4

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