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采用水热合成法制备了一系列具有不同微观形貌和荧光性能的掺锶羟基磷灰石粉末.通过X射线衍射、红外光谱、电子能谱、扫描电镜和荧光光谱表征样品的物相、形貌及荧光性能.结果表明:所制备的样品形貌为1~3.μm的由微小晶粒聚集而成的球形颗粒,但随着掺锶量的变化,组成球形颗粒的微小晶粒形貌会出现较大的差异.未掺锶羟基磷灰石晶粒形貌为短棒状,随着掺锶量的增加,微小晶粒逐渐变为片状而后转变为长棒状.样品能在紫外光(波长351 nm)激发下发出明亮的蓝色荧光(波长375~500 nm,最强峰位432 nm),且荧光强度随掺锶量增加先增强,而后减弱,在掺锶量为30mo1%时达到最大.

参考文献

[1] Brandt J,Henning S,Michler G,et al.Nanocrystalline hydroxyapatite for bone repair:an animal study.Journal of Materials Science-Materials in Medicine,2010,21(1):283-294.
[2] Hou Z Y,Yang P P.Lian H Z,et al.Multifunctional hydroxyapatite nanofibers and microbelts as drug carriers.Chemistry-Aeuropean Journal Chemistry-A European Journal,2009,15(28):6973-6982.
[3] Murakami Y,Rikimra S,Sugo K,et al.Preparation of polyethylenimine-hydroxyapatite and its chromatographic use.Journal of Liquid Chromatography & Related Technologies,2009,32(2):407-417.
[4] Bazarqan-Lari R,Bahrololoom M E,Nemati A,et al.Adsorption of Cu (Ⅱ) ions from industrial wastewater on natural hydroxyapatite extracted from bone ash.Journal of Food Agriculture & Environment,2011,2(1):652-657.
[5] Boanini E,Torricelli P,Fini M.Osteopenic bone cell response to strontium-substituted hydroxyapatite.Journal of Materials Science-Materials in Medicine,2011,22(9):2079-2088.
[6] Feng Y A,Gong J L,Zeng G M,et al.Adsorption of Cd (Ⅱ) and Zn(Ⅱ) from aqueous solutions using magnetic hydroxyapatite nanoparticles as adsorbents.Chemical Engineering Journal,2010,162(2):487-494.
[7] Guo Y P,Guo L H,Yao Y B,et al.Magnetic mesoporous carbonated hydroxyapatite microspheres with hierarchical nanostructure for drug delivery systems.Chemical Communications,2011,47(44):12215-12217.
[8] Liu H Y,Xi P X,Xie G Q,et al.Biocompatible hydroxyapatite nanoparticles as a redox luminescence switch.Journal of Biological Inorganic Chemistry,2011,16(8):1135-1140.
[9] Zhang M,Liu J K,Miao R,et al.Preparation and characterization of fluorescence probe from assembly hydroxyapatite nanocomposite.Nanoscale Research Letters,2010,5(4):675-679.
[10] Han Y C,Wang X Y,Li S P.Biocompatible europium doped hydroxyapatite nanoparticles as a biological fluorescent probe.Current Nanoscience,2010,6(2):178-183.
[11] Hsieh M F,Li J K J,Lin C A J,et al.Tracking of vellular uptake of hydrophilic CdSe/ZnS quantum dots/hydroxyapatite composites nanoparticles in MC3T3-E1 osteoblast cells.Journal of Nanoscience And Nanotechnology,2009,9(4):2758-2762.
[12] Chen F,Wang Z C,Lin C J.Preparation and characterization of nano-sized hydroxyapatite particles and hydroxyapatite/chitosan nano-composite for use in biomedical materials.Materials Letters,2002,57(4):858-861.
[13] Sonoda K,Furuzono T,Walsh D,et al.Influence of emulsion on crystal growth of hydroxyapatite.Solid State Ionics,2002,151(1-4):321-327.
[14] Kannan S,Lemos A F,Ferreira J M F.Synthesis and mechanical performance of biological-like hydroxyapatites.Chemistry of Materials,2006,18(8):2181-2186.
[15] Zhong W Z,Luo H S,Hua S K,et al.Crystal surface structure and its growth units of anionic coordination polyhedra.Journal of Synthetic Crystals,2004,33(4):471-474.
[16] Zhong W Z,Zhang X H,Luo H S,et al.Growth habit of nano-crystals-the application of growth unit model of anion coordination-polyhedra.Journal of The Chinese Ceramic Society,2004,32(3):239-244.
[17] Christoffersen J,Christoffersen M R,Kolthoff N,et al.Effects of strontium ions on growth and dissolution of hydroxyapatite and on bone mineral detection.Bone,1997,20(1):47-54.
[18] 张锐.磷灰石纳米粒子的掺杂及其表征.武汉:武汉理工大学硕士论文,2006.
[19] Zhang C M,Yang J,Quan Z W,et al.Hydroxyapatite nano-and microcrystals with multiform morphologies:controllable synthesis and luminescence properties.Crystal Growth & Design,2009,9(6):2725-2733.
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