铝片在二(乙二醇)甲醚/微波电子回旋共振(ECR Plasma)低温等离子体条件下进行处理,表面得到一层均匀、致密的涂层.经过电子光谱化学分析(XPS)、衰减全反射红外光谱(ATR-FTIR)、原子力显微镜(AFM)和生物活性的分析和表征,发现沉积的涂层为类PEG结构,表面主要聚集大量-CH2-CH2-O键;与改性前相比,等离子体处理的铝片表面能极大地降低细菌粘附.
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