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首页> 外文期刊>Applied Surface Science >Fabrication of hydroxyapatite and TiO_2 nanorods on microarc-oxidized titanium surface using hydrothermal treatment
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Fabrication of hydroxyapatite and TiO_2 nanorods on microarc-oxidized titanium surface using hydrothermal treatment

机译：水热处理在微弧氧化钛表面制备羟基磷灰石和TiO_2纳米棒

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摘要

AC-type microarc oxidation (MAO) and hydrothermal treatment techniques were used to enhance the bioactivity of commercially pure titanium (CP-Ti). The porous TiO_2 layer fabricated by the MAO treatment had a dominant anatase structure and contained Ca and P ions. The MAO-treated specimens were treated hydrothermally to form HAp crystallites on the titanium oxide layer in an alkaline aqueous solution (OH-solution) or phosphorous-containing alkaline solution (POH-solution). A small number of micro-sized hydroxyapatite (HAp) crystallites and a thin layer composed of nano-sized HAps were formed on the Ti-MAO-OH group treated hydrothermally in an OH-solution, whereas a large number of micro-sized HAp crystallites and dense anatase TiO_2 nanorods were formed on the Ti-MAO-POH group treated hydrothermally in a POH-solution. The layer of bone-like apatite that formed on the surface of the POH-treated sample after soaking in a modified simulated body fluid was thicker than that on the OH-treated samples.
机译：AC型微弧氧化（MAO）和水热处理技术用于增强商业纯钛（CP-Ti）的生物活性。通过MAO处理制备的多孔TiO_2层具有主要的锐钛矿结构，并含有Ca和P离子。在碱性水溶液（OH溶液）或含磷碱性溶液（POH溶液）中，对经过MAO处理的样品进行水热处理，以在二氧化钛层上形成HAp晶体。在OH溶液中水热处理的Ti-MAO-OH基上形成了少量的微米级羟基磷灰石（HAp）微晶和由纳米级HAps组成的薄层，而大量的微米级HAp微晶在POH溶液中水热处理的Ti-MAO-POH基上形成了致密的锐钛矿型TiO_2纳米棒。浸泡在改性的模拟体液中之后，在POH处理的样品表面上形成的骨状磷灰石层比OH处理的样品上的厚。

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  • 来源
    《Applied Surface Science》 |2010年第23期|P.7056-7061|共6页
  • 作者

    Ho-Jun Song; Ji-Woo Kim; Min-Suk Kook; Won-Jin Moon; Yeong-Joon Park;

  • 作者单位

    Department of Dental Materials and 2nd Stage of Brain Korea 21 Project, School of Dentistry, Chonnam National University, Gwangju 500-757, Republic of Korea;

    rnDepartment of Dental Materials and 2nd Stage of Brain Korea 21 Project, School of Dentistry, Chonnam National University, Gwangju 500-757, Republic of Korea;

    rnDepartment of Oral and Maxillofacial Surgery, School of Dentistry, Chonnam National University, Gwangju 500-757, Republic of Korea;

    rnKorea Basic Science Institute, Gwang-Ju Center, 300 Yongbong-dong, Book-gu, Gwangju 500-757, Republic of Korea;

    rnDepartment of Dental Materials and 2nd Stage of Brain Korea 21 Project, School of Dentistry, Chonnam National University, Gwangju 500-757, Republic of Korea;

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  • 正文语种 eng
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  • 关键词

    titanium; hydroxyapatite; nanorod; microarc oxidation; hydrothermal treatment; bone-like apatite;

    机译：钛;羟基磷灰石纳米棒微弧氧化水热处理骨状磷灰石;

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