The Surface Structure of Hydroxyapatite Single Crystal and the Accumulation of Arachidic Acid.
The Surface Structure of Hydroxyapatite Single Crystal and the Accumulation of Arachidic Acid.
复制标题
羟基磷灰石单晶的表面结构和花生酸的积累。
DOI：
10.1006/jcis.1999.6623
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发表时间：
2000
影响因子：
9.9
通讯作者：
Monma
中科院分区：
文献类型：
--
作者：
Sato;Suetsugu;Tanaka;Ina;Monma
使用β-磷酸三钙和Ca(OH)(2)在热等静压下通过熔剂法生长羟基磷灰石(HAp)单晶。用0.05 N HCl水溶液进行化学蚀刻后，通过原子力显微镜（AFM）观察HAp晶体表面，结果显示主要由高度相当于晶格距离d（100）或其2/3的台阶组成。通过Langmuir-Blodgett方法在蚀刻的HAp晶体上积累花生酸膜。根据 AFM 的截面分析，花生酸的羧基与 HAp 表面之间的距离估计约为 0.04 nm，足以发生化学相互作用。版权所有 2000 学术出版社。
Single crystals of hydroxyapatite (HAp) were grown by a flux method using beta-tricalcium phosphate and Ca(OH)(2) under hot isostatic pressure. After chemical etching by 0.05 N HCl aqueous solution, the HAp crystal surfaces were observed by an atomic force microscope (AFM) and shown dominantly to consist of steps with heights corresponding to a lattice distance d(100) or its 2/3. Arachidic acid films were accumulated on the etched HAp crystal by a Langmuir-Blodgett method. From section analyses by AFM, a distance between the carboxyl groups of arachidic acid and the HAp surface was estimated to be approximately 0.04 nm, sufficiently adjacent for a chemical interaction to take place. Copyright 2000 Academic Press.