可降解Zn表面金属-多酚载药涂层骨生成和抗菌性能
Osteogenic and Antibacterial Metal-Polyphenol Drug-Loaded Coating on Biodegradable Zinc for Orthopedic Implants Application
可降解Zn表面金属-多酚载药涂层骨生成和抗菌性能 |
| 林雪, 钱军余, 张文泰, 王鹏, 万国江 |
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Osteogenic and Antibacterial Metal-Polyphenol Drug-Loaded Coating on Biodegradable Zinc for Orthopedic Implants Application |
| LIN Xue, QIAN Junyu, ZHANG Wentai, WANG Peng, WAN Guojiang |
| 图4 Zn、TA/Met、Cu-TA/Met、Fe-TA/Met、Mg-TA/Met和Sr-TA/Met样品在(37 ± 0.5)℃下Hank's溶液中的动电位极化曲线，自腐蚀电位和自腐蚀电流密度，Nyquist和拟合等效电路图，及Bode-阻抗和Bode-相位角图 |
| Fig.4 Potentiodynamic polarization curves (a), the obtained self corrosion potential (Ecorr) and self corrosion current density (icorr) (b), Nyquist plots and equivalent electrical circuit (inset) (c), Bode-impedance and Bode-phase angle (d) diagrams of the Zn, TA/Met, Cu-TA/Met, Fe-TA/Met, Mg-TA/Met, and Sr-TA/Met in Hank's solution at (37 ± 0.5)oC (i—gal-vanic current density, Z″—imaginary part of impedance, Z′—real part of impedance, |Z|—impedance modulus, Rs—resistance of electrolyte, Qp—capacitance of the corrosion products layer, Rp—resistance of the coating, Qct—double-layer capacitance, Rct—resistance of the interfacial charge transfer reaction) |
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