| 4 | Biomimetic synthesis of calcium-strontium apatite hollow nanospheres显示文摘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. | GAN Yong,HAN DongMei,GU FuBo,WANG ZhiHua & GUO GuangSheng State Key Laboratory of Chemical Resource Engineering,Beijing University of Chemical Technology,Beijing 100029,China | 2010 | Science China Chemistry2010，53，8： | 0 |
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