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首页> 外文期刊>Applied Surface Science >Preparation And Antibacterial Effect Of Plasma Sprayed Wollastonite Coatings Loading Silver
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Preparation And Antibacterial Effect Of Plasma Sprayed Wollastonite Coatings Loading Silver

机译：等离子喷涂硅灰石负载银的制备及其抑菌作用

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In this work, the plasma sprayed wollastonite coating was soaked in 5 wt% AgNO_3 solution at room temperature to load silver for improving its antibacterial effect. The surface characteristics of the silver-loaded coating were investigated by SEM, EDS and XRD. The release rate of silver from the coating was measured by ICP-OES in deionized water. The osteotoxicity of the silver-loaded coating was evaluated by in vitro cell culturing test. The antibacterial activity against Staphylococcus aureus was examined by Zone of Inhibition test. The results showed that the loaded silver reacted with the wollastonite coating to form silver silicate, which ensured a sustained release of silver in deionized water for as long as 50 days. The antibacterial activity and cell culturing tests confirmed that the silver released from silver-loaded wollastonite coating had strong inhibition against the growth of S. aureus, while they did not exhibit any adverse effects on the osteoblasts proliferation.
机译：在这项工作中，将等离子喷涂的硅灰石涂层在室温下浸泡在5 wt％的AgNO_3溶液中以负载银，以提高其抗菌效果。通过SEM，EDS和XRD研究了载银涂层的表面特性。通过ICP-OES在去离子水中测量银从涂层中的释放速率。通过体外细胞培养试验评估了载银涂层的骨毒性。通过抑制区试验检查对金黄色葡萄球菌的抗菌活性。结果表明，负载的银与硅灰石涂层反应形成硅酸银，从而确保了银在去离子水中的持续释放长达50天。抗菌活性和细胞培养测试证实，从载银硅灰石涂层中释放的银对金黄色葡萄球菌的生长具有强烈的抑制作用，而对成骨细胞的增殖没有任何不利影响。

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