目的研究纳米羟基磷灰石修复颌骨缺损的可行性。
Objective To study the feasibility of repair of jaw bone defects by Nano-hydroxyapatite (Nano-HA).
一种空心球状纳米羟基磷灰石颗粒及其制备方法。
The present invention is one kind of nanometer hollow spherical granular hydroxyapatite and its preparation process.
纳米羟基磷灰石的加入提高了支架的抗压强度，但对支架亲水性有影响。
Ha can enhance the compressive strength of the scaffold; moreover, it decreases the hydrophilicity of the scaffold.
结论：骨膜、骨髓单个核细胞、纳米羟基磷灰石复合的成骨作用优秀，可有效促进骨缺损愈合。
Conclusion: The free bone periosteum-bone marrow mononuclear cells cement ha has a significant osteogenic competence. It can efficiently repair bone defects.
本文对纳米羟基磷灰石的合成及表面改性方面的研究进行综述，增加对纳米羟基磷灰石的认识。
This article has reviewed on the research of the synthesis and the surface reconstruction of the HAP nanoparticle, in order to enhance the cognition of the HAP nanoparticle.
简要介绍了羟基磷灰石的结晶结构和其理化性质，综合论述了纳米羟基磷灰石的制备工艺及其原理。
The crystal structure and the characteristics of hydroxylapatite are briefly introduced. the preparation methods and the principle of nano-hydroxylapatite are summarized at length.
目的评价新型纳米羟基磷灰石人工骨的生物相容性，从而为其在骨缺损修复领域中的临床运用提供依据。
To study the biocompatibility and safety of nano-hydroxyapatite artificial bone for the clinical use in the bone's reconstruction field.
实验结果证明：球状纳米羟基磷灰石对人工龋有明显的再矿亿作用，可以抑制、减弱致龋菌的对釉质的脱矿。
The results show that the spherical nano HA have a remineralization effect on the artificial dental caries dramatically, and can prevent and decrease caries.
在浸没循环撞击流反应器中，以硝酸钙和磷酸钠为原料、乙酰胺为分散剂，采用水热法合成了纳米羟基磷灰石。
Nano - hydroxyapatite was synthesized by hydrothermal method in the submerged circulating impinging stream reactor, using calcium nitrate and sodium phosphate as reactants and acetamide as dispersant.
纳米羟基磷灰石具有良好的生物相容性和生物活性，是较好的生物材料，被广泛应用于骨组织的修复与替代技术。
Nano-hydroxyapatite has been widely used as reconstructive and prosthetic material for osseous tissue, owing to its excellent biocompatibility and tissue bioactivity.
应用纳米羟基磷灰石（nHA）、聚酰胺66（PA66）和高密度聚乙烯（HDPE）制备了生物医用复合材料。
Nano-hydroxyapatite slurry (n-HA) was used to make composite with medical grade polyamide 66 (PA66) and high-density polyethylene (HDPE).
方法：应用共沉淀法制备纳米羟基磷灰石/壳聚糖复合材料，并采用TEM、SEM、XRD等手段对材料晶相组成、微观结构、晶粒大小进行分析表征。
Methods:Nano-hydroxyapatite/chitosan composites were prepared through a co-precipitation method. The properties of these composites were characterized by means of TEM , SEM, XRD test machine.
目的研究羟基磷灰石纳米颗粒(HAP)溶胶对小鼠的抗癌及其急性毒性作用机制。
Objective to evaluate the mechanism of anti-cancer and acute toxicological reaction of hydroxyapatite nanoparticle (HAP) on mice.
通过溶液共混法制备了羟基磷灰石纳米针晶与聚己二酰己二胺生物医用复合材料。
Bionic acicular nano hydroxyapatite(n HA) was used to make composites with medical grade polyamide (Poly hexamethylene adipamide) by solution blend.
本发明利用廉价易得的磷源，钙源和表面活性剂为反应物，在较低温度下就可以制备本发明的羟基磷灰石纳米管。
The hydroxyapatite nanotube can be prepared under low temperature by taking phosphor source which is cheap and easy to obtain, calcium source and surfactant as the reactants.
羟基磷灰石是人体和动物骨骼的主要无机矿物成分，当羟基磷灰石的尺寸达到纳米级时将表现出一系列的独特性能。
Hydroxyapatite was the main inorganic mineral component in human bone and animals, and nanometer hydroxyapatite may show a series of specific characteristics.
本发明的羟基磷灰石纳米管能应用于骨修复或骨接枝中。
The hydroxyapatite nanotube is applicable in bone repair or bone grafting.
多孔羟基磷灰石层是由纳米晶粒构成的，平均晶粒尺寸大约2纳米。花瓣状羟基磷灰石层由约几十纳米大小的晶粒构成。
The grain size of the porous layer is about 2nm and the thickness lamellar layer is a few tens of nanometer.
观察也显示这些羟基磷灰石层又是由许多长而薄的羟基磷灰石片所组成，这些羟基磷灰石片也平行排列，且其厚度具有纳米的尺度。
The observation also showed that the hydroxyapatite is of layered microstructure and composed with hydroxyapatite sheets with nanometer scale and parallel distribution.
结果：复合材料中的羟基磷灰石为类似于自然骨矿物相的弱结晶含碳酸纳米晶体，并均匀分散于有机相壳聚糖中。
Results:The HA synthesized here was poorly crystalline carbonated nanometer crystals and dispersed uniformly in chitosanp hase and there was no phase-separation between the two phases.
本发明涉及纳米材料及其制备技术领域，具体涉及空心纳米结构羟基磷灰石及其制备方 法。
The invention relates to the technical field of nanometer materials and the preparation thereof, in particular to a hydroxyapatite with a hollow nanometer structure and a preparation method thereof.
纳米级羟基磷灰石既具有纳米材料的特性，又具羟基磷灰石本身的特性，适于骨组织工程支架材料的构建。
Nanometer ha with the characteristics of nanometer materials and ha itself is fit for the study of scaffold for engineering bone.
实现了纳米颗粒状四氧化三铁和纳米层片状羟基磷灰石的复合，四氧化三铁分布均匀，无团聚。
The composition of nano granulated ferroferric oxide and nano lamellar hydroxyapatite is realized, and the ferroferric oxide has uniform distribution and no agglomeration.
目的：探讨变形链球菌对表面涂有不同超疏水纳米膜的羟基磷灰石片的黏附和早期生物膜的形成。
Objective: To examine the adhension and formation of the dental biofilm by sreptococcus mutans on superhydrophobic nanometer film.
本发明羟基磷灰石纳米空心材料粒径小，孔体 积和表面积大；
The nanometer-level hollow hydroxylapatite material produced by the method is small in particle size, large in pore volume and surface area;
结果指出了纳米多孔羟基磷灰石作为药物载体的主要发展趋势。
Result The main development tendency of nanoporous hydroxyapatite as drug carries was pointed out.
结果指出了纳米多孔羟基磷灰石作为药物载体的主要发展趋势。
Result The main development tendency of nanoporous hydroxyapatite as drug carries was pointed out.
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