Calcium Phosphates of Interest Biological Coatings on Titanium Surfaces Modified by an Yb:YAG Laser Beam Irradiation

被引:0
作者
dos Santos, Marcio L. [1 ]
Riccardi, Carla dos S. [1 ]
Filho, Edson de A. [1 ]
Olyveira, Gabriel M. [1 ]
Fraga, Alexandre F. [2 ]
Antonio, Selma G. [1 ]
Bini, Rafael A. [3 ]
Guastaldi, Antonio C. [1 ]
机构
[1] Paulista State Univ UNESP, Inst Chem, Biomat Grp, BR-14800060 Araraquara, Brazil
[2] Fed Univ Sao Carlos UFSCar, Dept Mat Engn DEMa, BR-13565905 Sao Carlos, SP, Brazil
[3] Univ Sao Paulo, Chem Inst Sao Carlos, Colloid Mat Grp, BR-13566590 Sao Carlos, SP, Brazil
关键词
Titanium; Laser Ablation; Biomimetic Method; Calcium Phosphates; Biomedical Applications;
D O I
10.1166/mat.2015.1229
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Calcium phosphates of interest biological coatings were deposited on titanium surfaces modified by Yb:YAG laser beam irradiation under atmospheric pressure and temperature. The coatings were deposited by biomimetic method using different Simulated Body Fluid (SBF) solutions to obtain the calcium phosphates phases. Titanium surface modified by a laser ablation process were immersed in SBF solutions (pH 7.4) during four days at 37 degrees C under oven-dried condition. The samples were characterized by X-ray diffraction (XRD), Rietveld refinement, Fourier transform infrared spectroscopy (FTIR) and Scanning electron microscopy (SEM). The FTIR spectra showed bands corresponding to chemical bonds. The resulting phases were confirmed by XRD analysis, including amorphous calcium phosphate (ACP), hydroxyapatite (HA) and B-type hydroxycarbonate apatite (B-HCA) phases. The laser-ablation has been established as an adequate process to titanium surface modifications, allowing potentially applications for dental and orthopedic implants.
引用
收藏
页码:129 / 133
页数:5
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