[1]郭大勇,储成林,林萍华,等.柠檬酸对溶胶-凝胶法制备羟基磷灰石粉体的影响[J].东南大学学报(自然科学版),2002,32(3):402-405.[doi:10.3969/j.issn.1001-0505.2002.03.020]
 Guo Dayong,Chu Chenglin,Lin Pinghua,et al.Effects of citric acid on hydroxyapatite powders fabricated by sol-gel method[J].Journal of Southeast University (Natural Science Edition),2002,32(3):402-405.[doi:10.3969/j.issn.1001-0505.2002.03.020]
点击复制

柠檬酸对溶胶-凝胶法制备羟基磷灰石粉体的影响()
分享到:

《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
32
期数:
2002年第3期
页码:
402-405
栏目:
化学化工
出版日期:
2002-05-20

文章信息/Info

Title:
Effects of citric acid on hydroxyapatite powders fabricated by sol-gel method
作者:
郭大勇 储成林 林萍华 董寅生
东南大学机械工程系,南京 210096
Author(s):
Guo Dayong Chu Chenglin Lin Pinghua Dong Yinsheng
Department of Mechanical Engineering, Southeast University, Nanjing 210096, China
关键词:
溶胶-凝胶 羟基磷灰石 螯合剂 纳米粉体
Keywords:
sol-gel hydroxyapatite chelate reagent nano-scale powders
分类号:
TQ174.759
DOI:
10.3969/j.issn.1001-0505.2002.03.020
摘要:
为改善以Ca(NO)3·4H2O和(CH3O)3PO为前驱体、采用溶胶-凝胶法制备羟基磷灰石(HAP)粉体的颗粒较大,尝试加入螯合剂-柠檬酸(C6H8O7),研究其对HAP粉体特征的影响.SEM结果显示柠檬酸的加入使得粉体粒度明显变小,进一步在TEM观察,可以发现HAP粉体尺寸约为50 nm.XRD和FTIR分析表明柠檬酸的加入可使更多的CO2-3以B型替代的方式进入HAP结构中,并引起HAP晶格微畸变.
Abstract:
Hydroxyapatite(HAP)powders prepared by sol-gel method with Ca(NO3)2·4H2O and(CH3O)3PO as precursors are bulky. In order to thin the powders,citric acid(C6H8O7)was added as a chelate reagent and its influence on HAP powder characteristics was investigated in this paper.Scanning electron microscope(SEM)analysis shows that the size of HAP powders with C6H8O7 is distinctly finer than that without C6H8O7 and conglomeration is prevented.Further study under transmission electron microscope(TEM)demonstrates that the average size of HAP powders is 50 nm or so.Moreover,it can be found by X-ray Diffraction(XRD)and Fourier Transform Infrared Spectroscopy(FTIR)that the addition of C6H8O7 makes CO2-3 enter HAP crystal lattice in B-type substitution,which causes the crystal lattice distortion.

参考文献/References:

[1] Aoki Hideki.Science and medical applications of hydroxyapatite [M].Tokyo:Takayama Press System Center Co Inc,1991.
[2] Kakihana Masato.sol-gel preparation of high temperature superconducting oxides[J].J Sol-Gel Sci & Tech,1996,6(1):7-55.
[3] 徐建梅,张德.溶胶-凝胶法的技术进展与应用现状.地质科技情报,1999,18(4):103-106.
  Xu Jianmei,Zhang De.Technique advance and current application situation of sol-gel[J].Geological Science and Technology Information,1999,18(4):103-106.(in Chinese)
[4] Lopatin C M,Pizziconi V,Alford T L,et al.Hydroxyapatite powders and thin films prepared by a sol-gel technique[J].Thin Solid Films,1998(326):227-232.
[5] Montener A,Gnappi G,Ferrari F,et al.Sol-gel derived hydroxyapatite coatings on titanium substrate[J].Journal of materials science,2000(35):2791-2797.
[6] 沈卫,顾燕芳,刘昌胜.羟基磷灰石表面特性[J].硅酸盐通报.1996(1):45-52.
  Shen Wei,Gu Yanfang,Liu Changsheng.Surface characteristics of hydroxyapatite[J].Bulletin of the Chinese Ceramic Society,1996(1):45-52.(in Chinese)
[7] 刘羽,钟康年,胡文云.溶胶-凝胶法合成条件与羟基磷灰石特征的关系.材料科学与工程,1997,15(6):63-65.
  Liu Yu,Zhong Kangnian,Hu Wenyun.Influence of synthetic conditions on the characteristics of hydroxyl-apatite synthesised by sol-gel method[J].Materials Science and Engineering,1997,15(1):63-65.(in Chinese)
[8] Hwang K,Song J,Kong B,et al.Sol-gel derived hydroxyapatite films on alumina substrates[J].Surface and Coatings Technology,2000(123):252-255.
[9] Barralet J,Best S,Bonfield W.Carbonate substitution in precipitated hydroxyapatite:an investigation into the effects of reaction temperature and bicarbonate ion concentration[J].J Biomed Mater Res,1998(41):79.

相似文献/References:

[1]吕晓迎,黄蕙芬,唐祖明,等.光反射干涉生物传感器对生物医用材料蛋白质吸附研究[J].东南大学学报(自然科学版),2001,31(2):13.[doi:10.3969/j.issn.1001-0505.2001.02.004]
 Lü Xiaoying,Huang Huifen,Tang Zuming,et al.Reflectometry Interference Spectroscopy for Study of Protein Adsorption on Biomaterials[J].Journal of Southeast University (Natural Science Edition),2001,31(3):13.[doi:10.3969/j.issn.1001-0505.2001.02.004]

备注/Memo

备注/Memo:
作者简介: 郭大勇(1971—),男,硕士; 林萍华(联系人),男,博士,教授,博士生导师.
更新日期/Last Update: 2002-05-20