The growth process of hierarchical porous hydroxyapatite microspheres precipitated by propionamide and citrate through hydrothermal synthesis

被引：18

作者：

Hao, Lijing ^{[1
,2
,3
]}

Yang, Hui ^{[1
,2
,3
]}

Du, Shaolong ^{[1
]}

Zhao, Naru ^{[1
,2
,3
]}

Wang, Yingjun ^{[1
,2
,3
]}

机构：

[1] S China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China

[2] Natl Engn Res Ctr Tissue Restorat & Reconstruct, Guangzhou 510006, Guangdong, Peoples R China

[3] S China Univ Technol, Guangdong Prov Key Lab Biomed Engn, Guangzhou 510006, Guangdong, Peoples R China

来源：

MATERIALS LETTERS | 2014年 / 131卷

基金：

中国国家自然科学基金;

关键词：

Crystal growth; Microstructure; Bioceramics; Powder technology; AQUEOUS-SOLUTION; SPECTRA;

D O I：

10.1016/j.matlet.2014.05.193

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

Hydroxyapatite (HA) microspheres were hydrothermally synthesized by using propionamide (PA) and trisodium citrate (Cit). The capability of PA and Cit to control ions release in synthesis solution contributed to the formation of hierarchical porous structure. The effect of hydrothermal time was investigated to explore the formation mechanism of HA microspheres. The result demonstrated that the morphology of products transformed from microsheets to microspheres as reaction time increased. Combining with the theory of Ostwald ripening, it was proposed that earlandite nanosheets as primary building units were firstly formed from nucleation and then self-assembled into the final HA microspheres. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：252 / 254

页数：3

共 12 条

[1]

A CALCIUM HYDROXYAPATITE PRECIPITATED FROM AN AQUEOUS-SOLUTION - AN INTERNATIONAL MULTIMETHOD ANALYSIS [J].