Precipitation of biomimetic fluorhydroxyapatite/polyacrylic acid nanostructures

被引：13
|
作者：
Roche, Kevin J. [1 ]
Stanton, Kenneth T. [1 ]
机构：
[1] Univ Coll Dublin, Sch Mech & Mat Engn, Dublin 4, Ireland
来源：
JOURNAL OF CRYSTAL GROWTH | 2015年 / 409卷
关键词：
Biocrystallisation; Biomaterials; Crystal morphology; Nanostructures; Minerals; GLASS-IONOMER CEMENT; POLY(ACRYLIC ACID); POLYACRYLIC-ACID; HUMAN ENAMEL; HYDROXYAPATITE NANOSTRUCTURES; CALCIUM ORTHOPHOSPHATES; MOLECULAR-DYNAMICS; APATITE FORMATION; FLUORIDE-RELEASE; IR SPECTROSCOPY;
D O I：
10.1016/j.jcrysgro.2014.10.002
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Ordered structures of fluorhydroxyapatite (FHA) nanoparticles that resemble the nanostructure of natural human enamel have been prepared. Wet precipitation in the presence of polyacrylic acid (PAA) was used, and the particle morphology was altered by varying several reaction conditions. High molecular weight PAA increased particle length from around 54 urn to several hundred nanometres, while maintaining particle width at 15 urn. PAA concentration and the order of mixing the reactants also influenced crystal morphology. Optimum conditions produced dense, aligned bundles of highly elongated nanorods, which are very similar to the hierarchical nanostructure of human tooth enamel. (C) 2014 Elsevier B.V. All rights reserved
引用
收藏
页码：80 / 88
页数：9
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