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電沉積制備氧化石墨烯-羥基磷灰石復(fù)合涂層
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四川大學(xué)華西口腔醫(yī)學(xué)院,杭州師范大學(xué)附屬醫(yī)院口腔科,四川大學(xué)華西口腔醫(yī)學(xué)院,四川大學(xué)華西口腔醫(yī)學(xué)院,四川大學(xué)華西口腔醫(yī)院修復(fù)科,四川大學(xué)華西口腔醫(yī)院修復(fù)科

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教育部留學(xué)回國(guó)科研啟動(dòng)基金


Graphene oxide/hydroxyapatite composite coatings fabricated by electrochemical deposition
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West China College of Stomatology, Sichuan University,Department of Stomatology, the Affiliated Hospital of Hangzhou Normal University,West China College of Stomatology, Sichuan University,West China College of Stomatology, Sichuan University,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University

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    摘要:

    采用電沉積方法在鈦表面制備氧化石墨烯-羥基磷灰石（Graphene oxide/Hydroxyapatite, GO/HA）復(fù)合涂層，通過(guò)調(diào)整GO的濃度，研究GO對(duì)所得涂層晶體結(jié)構(gòu)及生物學(xué)性能的影響。采用掃描電鏡(SEM)、透射電鏡（TEM）、X射線衍射(XRD)、傅立葉變換紅外光譜(FTIR)、拉曼光譜分析所得涂層的表面形貌和物相構(gòu)成，用SEM觀察涂層表面MG63成骨樣細(xì)胞生長(zhǎng)情況。結(jié)果表明，電沉積法可在鈦表面制備GO/HA復(fù)合涂層， 且隨GO濃度增加，HA結(jié)晶度增加。此外，復(fù)合涂層較單純HA涂層更能促進(jìn)成骨樣細(xì)胞早期粘附。

    Abstract:

    In this study, graphene oxide(GO)/hydroxyapatite(HA) composite coatings have been firstly fabricated by a modified electrocodeposition technique on titanium substrate. The microstructure and phase constituents of the composite coatings were characterized by scanning electron microscope (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Raman spectra. The in vitro cellular response was detected by the morphology of MG63 cells which were inoculated onto the coatings. The addition of GO into HA coatings increased the crystallinity of hydroxyaptite. In addition, in vitro cell culture assessment shows a better biocompatibility of the composite coatings compared with the pure HA coating.

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曾永香,賀瑞,裴錫波,田玲钖,王劍,萬(wàn)乾炳.電沉積制備氧化石墨烯-羥基磷灰石復(fù)合涂層[J].稀有金屬材料與工程,2016,45(3):727~731.[zengyongxiang, herui, peixibo, tianlingyang, wangjian, wanqianbing. Graphene oxide/hydroxyapatite composite coatings fabricated by electrochemical deposition[J]. Rare Metal Materials and Engineering,2016,45(3):727~731.]
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  • 收稿日期:2014-04-11
  • 最后修改日期:2014-05-11
  • 錄用日期:2014-06-04
  • 在線發(fā)布日期: 2016-07-07
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