pH值对HAPw-nmZnO-nmCaO复合生物材料形貌影响的研究

doi:10.13701/j.cnki.kqyxyj.2017.06.002

口腔医学研究 ›› 2017, Vol. 33 ›› Issue (6): 585-588.DOI: 10.13701/j.cnki.kqyxyj.2017.06.002

pH值对HAPw-nmZnO-nmCaO复合生物材料形貌影响的研究

孙士家¹, 赵强¹, 袁艳波¹, 何武书¹, 张文云^1*, 陈庆华², 苏军¹

1. 昆明医科大学解放军昆明总医院临床学院口腔科云南昆明 650032;
2. 昆明理工大学材料科学与工程学院云南昆明 650093

收稿日期:2016-12-06 出版日期:2017-06-20 发布日期:2017-06-26
通讯作者: 张文云,E-mail:wenyunzh88@126.com
作者简介:孙士家(1989～ ),男,山东枣庄人,硕士在读,医师,主要从事口腔材料学研究。
基金资助:
国家自然科学基金(编号:619220120058)

Effect of pH Value on Morphology of HAPw-nmZnO-nmCaO Composite Materials.

SUN Shi-jia¹, ZHAO-Qiang¹, YUAN Yan-bo¹, HE Wu-shu¹, ZHANG Wen-yun^1*, CHEN Qing-hua², SU Jun².

1. Kunming General Hospital of PLA, Kunming Medical University, Kunming 650032, China;
2. College of Materials Science and Engineering, Kunming Science and Technology University, Kunming 650093, China.

Received:2016-12-06 Online:2017-06-20 Published:2017-06-26

摘要/Abstract

摘要： 目的:探讨不同pH条件下,纳米氧化锌(nmZnO)和纳米氧化钙(nmCaO)对羟基磷灰石晶须(HAPw)表面改性形貌的影响。方法:在温度为70 ℃,pH分别为6.0、6.2、6.4、6.6、6.8、7.0条件下,硝酸锌和硝酸钙溶胶-凝胶法改性HAPw,通过X射线衍射仪(XRD)、透射电子显微镜(TEM)和X射线能量色散光谱仪(EDX)分析材料的物相组成和表面形貌。结果:在不同pH条件下,nmZnO和nmCaO颗粒在HAPw表面的分布存在差异。nmZnO颗粒为六方晶型,nmCaO为圆形颗粒状,颗粒与晶须通过化学键相互结合。结论:在pH为6.2和6.4时,采用溶胶－凝胶法可实现nmZnO和nmCaO对HAPw的较优改性。

关键词: 氧化锌, 氧化钙, 羟基磷灰石晶须, 溶胶凝胶法, pH

Abstract: Objective: To investigate the effects of pH on the morphology of hydroxyapatite whisker (HAPw) modified by nano zinc oxide (nmCaO) and nano calcium oxide (nmZnO). Methods: Under the condition of 70℃, different pH=6.0, 6.2, 6.4, 6.6, 6.8, 7.0, using the zinc nitrate and calcium nitrate as the source of zinc and calcium, the hydroxyapatite whisker was modified by sol-gel method. The phase composition and surface morphology of the materials were analyzed by X ray diffraction (XRD), transmission electron microscope (TEM), and X ray energy dispersive spectroscopy (EDX). Results: Under different pH conditions, the distribution of the zinc oxide and calcium oxide nanoparticles on the HAPw surface was different. The shape of nano-ZnO and nano-CaO were six crystal particle and round granular, respectively. The particles and the whiskers were bonded by chemical bonds. Conclusion: With calcium nitrate and zinc nitrate as raw materials, the hydroxyapatite whisker was modified by sol-gel method, and the optimal pH was 6.2 and 6.4.

Key words: Zinc oxide , Calcium oxide , Hydroxyapatite whisker, Sol-gel method , pH

中图分类号:

R783.1

孙士家, 赵强, 袁艳波, 何武书, 张文云, 陈庆华, 苏军. pH值对HAPw-nmZnO-nmCaO复合生物材料形貌影响的研究[J]. 口腔医学研究, 2017, 33(6): 585-588.

SUN Shi-jia, ZHAO-Qiang, YUAN Yan-bo, HE Wu-shu, ZHANG Wen-yun, CHEN Qing-hua, SU Jun.. Effect of pH Value on Morphology of HAPw-nmZnO-nmCaO Composite Materials.[J]. Journal of Oral Science Research, 2017, 33(6): 585-588.

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pH值对HAPw-nmZnO-nmCaO复合生物材料形貌影响的研究

Effect of pH Value on Morphology of HAPw-nmZnO-nmCaO Composite Materials.

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