Spectroscopic characterization of passivated titanium in a physiologic solution
作者： J. L. Ong , L. C. Lucas , G. n. Raikar , R. Connatser , J. C. Gregory
DOI: 10.1007/BF00120418
关键词: X-ray photoelectron spectroscopy 、 Materials science 、 Amorphous solid 、 Inorganic chemistry 、 Fourier transform infrared spectroscopy 、 Raman spectroscopy 、 Titanium 、 Ion 、 Brushite 、 Ionic bonding
摘要: Titanium (Ti) has been used for many biomedical applications. Surface characteristics of titanium devices are critical to their success. In this study, Raman spectroscopy and X-ray photoelectron (XPS) were analyse Ti surfaces prior immersion in alpha-modification Eagle's medium (α-MEM). The ionic constituents deposited onto after vitro exposure α-MEM investigated using XPS Fourier transform infrared (FTIR). studies revealed an amorphous oxide layer on the surface, with a chemistry similar TiO2. However, physiologic solution 12 days, dynamic changes surface observed. Ions such as phosphorus (P) calcium (Ca) increasingly fine crystalline calcium-phosphate (Ca−P) compounds, having Ca/P ratio 1.2 brushite.
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