欢迎登录材料期刊网

材料期刊网

高级检索

以甘氨酸和乙二胺为模型分子,在中性条件下采用水热法.研究有机小分子对羟基磷灰石(HAP)晶体生长形貌的影响.采用透射电子显微镜(TEM)、X射线衍射仪(XRD)和傅里叶变换红外光谱仪(FTIR)分析了合成产物的形貌、结构和组成.实验结果表明,甘氨酸诱导合成的HAP呈六方棒状,长500~2000nm,直径为50~100nm;在乙二胺的诱导下合成了长100~250nm,宽30~50nm的片状HAP晶体.对照空白实验可知,小分子上的极性基团通过静电吸附或分子占位显著影响HAP的形貌.

参考文献

[1] Eanes E D .Enamel apatite:Chemistry,structure and properties[J].Journal of Dental Research,1979,58(02):829.
[2] Weiner S.;Wagner HD. .The material bone: Structure mechanical function relations [Review][J].Annual review of materials research,1998(0):271-298.
[3] Liam C. Palmer;Christina J. Newcomb;Stuart R. Kaltz;Erik D. Spoerke;Samuel I. Stupp .Biomimetic Systems for Hydroxyapatite Mineralization Inspired By Bone and Enamel[J].Chemical Reviews,2008(11):4754-4783.
[4] Yang B;Cui F Z .Molecular modeling and mechanics studies on the initial stage of the collagen-mineralization process[J].Current Applied Physics,2007,7(z1):e2.
[5] Palazzo B;Walsh D;Iafisco M .Amino acid synergetic effect on structure, morphology and surface properties of biomimetic apatite nanocrystals.[J].Acta biomaterialia,2009(4):1241-1252.
[6] Koutsopoulos S.;Dalas E. .The effect of acidic amino acids on hydroxyapatite crystallization[J].Journal of Crystal Growth,2000(4):410-415.
[7] S.Koutsopoulos;E.Dalas .Hydroxyapatite Crystallization in the Presence of Amino Acids with Uncharged Polar Side Groups: Glycine,Cysteine,Cystine,and Glutamine[J].Langmuir: The ACS Journal of Surfaces and Colloids,2001(4):1074-1079.
[8] Koutsopoulos S.;Dalas E. .The crystallization of hydroxyapatite in the presence of lysine[J].Journal of Colloid and Interface Science,2000(2):207-212.
[9] Toworfe GK;Composto RJ;Shapiro IM;Ducheyne P .Nucleation and growth of calcium phosphate on amine-, carboxyl- and hydroxyl-silane self-assembled monolayers[J].Biomaterials,2006(4):631-642.
[10] Kevin S. Jack;Timothy G. Vizcarra;Matt Trau .Characterization and Surface Properties of Amino-Acid-Modified Carbonate-Containing Hydroxyapatite Particles[J].Langmuir: The ACS Journal of Surfaces and Colloids,2007(24):12233-12242.
[11] Pan HH;Tao JH;Xu XR;Tang RK .Adsorption processes of Gly and Glu amino acids on hydroxyapatite surfaces at the atomic level[J].Langmuir: The ACS Journal of Surfaces and Colloids,2007(17):8972-8981.
[12] Gonzalez M R;Mann S;Vignaud E et al.Synthesis and characterization of amino acid functionalized[J].Journal of Materials Chemistry,2004(14):2277.
[13] Huang FZ;Shen YH;Xie AJ;Zhu JM;Zhang CY;Li SK;Zhu J .Study on synthesis and properties of hydroxyapatite nanorods and its complex containing biopolymer[J].Journal of Materials Science,2007(20):8599-8605.
[14] He Q J;Huang Z L;Liu Y et al.Template-directed onestep synthesis of flowerlike porous carbonated hydroxyapatite spheres[J].Materials Letters,2007,61(01):141.
[15] Supatra Jinawath;Dujreutai Pongkao;Wojciech Suchanek;Masahiro Yoshimura .Hydrothermal synthesis of monetite and hydroxyapatite from monocalcium phosphate monohydrate[J].International journal of inorganic materials,2001(7):997-1001.
[16] 李丽颖,宋文华,陈铁红.阴离子氨基酸表面活性剂调控下水热合成羟基磷灰石纳米片[J].物理化学学报,2009(11):2404-2408.
[17] Huang S P;Zhou K C;Li Z Y .Inhibition mechanism of aspanic acid on crystal growth of hydroxyapatite[J].Trans Nonf Met Soc China,2007,17(03):612.
[18] Cao M H et al.Preparation of uhrahigh-aspect-ratio hydroxyapatite nanofibers in reverse micelles under hydrothermal conditions[J].Langmuir,2004,20(11):4784.
[19] Onuma K.;Ito A. .Cluster growth model for hydroxyapatite[J].Chemistry of Materials,1998(11):3346-3351.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%