Laser-assisted production of tricalcium phosphate nanoparticles from biological and synthetic hydroxyapatite in aqueous medium

被引：21

作者：

Boutinguiza, M. ^{[1
]}

Pou, J. ^{[1
]}

Lusquinos, F. ^{[1
]}

Comesana, R. ^{[1
]}

Riveiro, A. ^{[1
]}

机构：

[1] Univ Vigo, Dept Fis Aplicada, Vigo 36310, Spain

来源：

APPLIED SURFACE SCIENCE | 2011年 / 257卷 / 12期

关键词：

Nanoparticles; Calcium phosphate; Laser ablation; BONE; BIOCERAMICS; MORPHOLOGY; ABLATION; SURFACE; PHASE;

D O I：

10.1016/j.apsusc.2010.12.004

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Pulsed laser ablation technique has attracted great attention as a method for preparing nanoparticles. In this work, calcined fish bones and synthetic hydroxyapatite, have been used as target to be ablated in de-ionized water with a pulsed CO2 laser to produce calcium phosphate nanoparticles. The obtained nanoparticles were amorphous and spherical in shape with a mean diameter of about 25 nm. The microanalyses revealed that nanoparticles obtained from the synthetic HA undergo transformation to tricalcium phosphate. While nanoparticles obtained from the biological hydroxyapatite mostly preserve the composition of precursor material. (C) 2010 Elsevier B. V. All rights reserved.

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收藏

页码：5195 / 5199

页数：5

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