Deposition of apatite on carbon nanofibers in simulated body fluid
Deposition of apatite on carbon nanofibers in simulated body fluid
复制标题
模拟体液中磷灰石在碳纳米纤维上的沉积
DOI：
10.1155/2011/935320
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发表时间：
2011
影响因子：
--
通讯作者：
Saito N
中科院分区：
文献类型：
--
作者：
Taruta S;Kidokoro K;Yamakami T;Yamaguchi T;Kitajima K;Endo M;Saito N
Carbon nanofibers (CNFs) were soaked in 1.5 simulated body fluid (1.5 SBF) in which inorganic ion concentrations are 1.5 times as high as those in the standard SBF. The influence of the CNFs content in 1.5 SBF and pretreatment of the CNFs on the biomimetical deposition of apatite were investigated. The spherical bone‐like apatite particles were deposited on the pristine CNFs soaked in 1.5 SBF. Amount of deposited apatite per a unit of CNFs increased with a decrease in the CNFs content in 1.5 SBF, and it decreased markedly when the CNFs were pretreated with concentrated sulfuric acid/nitric acid (3 : 1 v/v) mixture for longer periods. Such results suggest that too many nucleation sites of apatite, which were functional groups, such as carboxyl and hydroxyl groups, existed on the CNFs in the 1.5 SBF, and most embryos formed on the sites could not grow to critical nuclei and furthermore did not grow to apatite.
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DOI：
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