Synthesis of nano hydroxyapatite powder that simulate teeth particle morphology and composition

被引：128
|
作者：
Sanosh, K. P. [1 ,2 ]
Chu, Min-Cheol [1 ]
Balakrishnan, A. [1 ,2 ]
Lee, Yong-Jin [2 ]
Kim, T. N. [2 ]
Cho, Seong-Jai [1 ]
机构：
[1] Korea Res Inst Stand & Sci, Div Metrol Emerging Technol, Taejon 305340, South Korea
[2] Paichai Univ, Dept Informat & Elect Mat Engn, Coll Engn, Taejon 302735, South Korea
来源：
CURRENT APPLIED PHYSICS | 2009年 / 9卷 / 06期
关键词：
Hydroxyapatite; Human teeth; Nano-particles; Sol-gel; Morphology; SOL-GEL; APATITE; BIOMATERIALS;
D O I：
10.1016/j.cap.2009.03.024
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A simple sol-gel precipitation technique to synthesize nano hydroxyapatite (HA) particles (similar to 30 nm) that show similar morphology, size and crystallinity to HA crystals Of human teeth is reported. Calcium nitrate tetrahydrate and potassium dihydrogenphosphate were used as calcium and phosphorus precursors, respectively. Double distilled water was used as a diluting media for HA sol preparation and ammonia was used to adjust the pH to 11. After aging, the HA gel was dried at 40 degrees C and calcined to different temperatures ranging from 200 to 600 degrees C. The dried and calcined powders were characterized for phase composition using X-ray diffractrometry, and Fourier transform infra-red spectroscopy. The particle size and morphology was Studied using Transmission electron microscopy. The particle size distribution analysis of HA powders showed skewed distribution plot. The phase and particle characterization studied above showed that HA calcined at 600 degrees C Simulate HA crystals of teeth. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1459 / 1462
页数：4
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