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首页> 外文期刊>Journal of biomaterials and tissue engineering >Hydrothermal Synthesis and Appraisal of Mg-Doped Hydroxyapatite Nanopowders
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Hydrothermal Synthesis and Appraisal of Mg-Doped Hydroxyapatite Nanopowders

机译：Mg掺杂羟基磷灰石纳米粉粉的水热合成和评估

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摘要

Nano rods of magnesium-doped hydroxyapatite, Ca_(10-x)Mg_x(PO4)6(OH)2(Mg_x-HA, x = 0-1.0), were successfully synthesized through cetyltrimethyl ammonium bromide assisted hydrothermal synthesis method. X-ray diffraction, infrared spectroscopy, thermogravimetric analysis and transmission electron microscopy, provided experimental evidences about the effects of Mg-doping on the phase assemblage, crystallite size, morphology, specific surface area of Mg-doped hydroxyapatite nanopowders. The replacement Ca~(2+) ions by smaller Mg~(2+) ones caused lattice shrinkage and lattice strains that enhanced the solubility and the in vitro bio-mineralisation activity upon immersing sintered samples in simulated body fluid. The severity of these structural changes rose with increasing Mg-doping and enable tailoring the in vitro biological activity enabling selecting the most suitable material for bone grafts and tissue engineering applications.
机译：通过十六烷基三甲基溴化铵辅助水热合成方法成功地合成了含镁掺杂羟基磷灰石的纳米棒，Ca_（10-X）Mg_x（PO4）6（OH）2（Mg_X-HA，X = 0-1.0）。 X射线衍射，红外光谱，热重分析和透射电子显微镜，提供了关于Mg掺杂对相组合，微晶尺寸，形态学，Mg掺杂羟基磷灰石纳米粉粉的比表面积的效果的实验证据。 替代Ca〜（2+）离子较小的mg〜（2+）导致格子收缩和晶格菌株，以增强沉积性和体外生物矿化活性在浸入模拟体液中的烧结样品。 这些结构变化的严重程度随着MG掺杂的增加而升压，并使剪裁体外的生物活性使能为骨移植和组织工程应用选择最合适的材料。

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    Meriame Bricha; Younes Belmamouni; El Mokhtar Essassi;

  • 作者单位

    NANOTECH Institute of Nanomaterials and Nanotechnology MAScIR Moroccan Foundation for Advanced Science Innovation and Research. Av. De I'Armee Royale Madinat El Irfane 10 100 Rabat Morocco;

    NANOTECH Institute of Nanomaterials and Nanotechnology MAScIR Moroccan Foundation for Advanced Science Innovation and Research. Av. De I'Armee Royale Madinat El Irfane 10 100 Rabat Morocco;

    NANOTECH Institute of Nanomaterials and Nanotechnology MAScIR Moroccan Foundation for Advanced Science Innovation and Research. Av. De I'Armee Royale Madinat El Irfane 10 100 Rabat Morocco;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 工程材料学;
  • 关键词

    Mg-Doped Hydroxyapatite; Hydrothermal Synthesis; Electron Microscopy; Bioactivity.;

    机译：Mg掺杂的羟基磷灰石;水热合成;电子显微镜;生物活性。;

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