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    題名: 以陽極氧化處理製備抗菌氧化層於鈦鉭合金
    Formation of an Antibacterial Oxide Film on Ti-Ta Alloy by Anodic Oxidation
    作者: 鄭福吉
    Zheng, Fuji
    貢獻者: 陳玫秀
    關鍵詞: 鈦鉭合金;陽極氧化;抗菌率
    Ti-Ta Alloy;anodic oxidation;Anti-Bacterial Rate
    日期: 2015-07-02
    上傳時間: 2020-08-11 11:37:39 (UTC+8)
    摘要: 鈦鉭合金具低彈性模數與優異耐腐蝕之特性,因此已證實可應用於牙科和整形外科之植入體。然而,鈦鉭合金不具抗菌的性質。本研究目的為利用陽極氧化處理於鈦鉭合金表面披覆抗菌氧化層,研究結果顯示,經陽極氧化處理,一含銀之氧化層生成於鈦鉭合金表面,其表面親水性與粗糙度明顯提高於未經處理之鈦鉭合金,最後抗菌測試結果顯示,經陽極氧化處理之表面對金黃色葡萄球菌有優異的抗菌率(98.5 %),並以掃瞄式電子顯微鏡與原子力顯微鏡觀察表面形貌,分析表面粗糙度、親水性以及成分。
    Recently, Ti–Ta alloys have been expected to be as candidates for dental or orthopedic implants because of their low elastic modulus and high corrosion resistance. However, Ti–Ta alloys do not have the properties to protect against bacterial infection. An anti-bacterial coating was fabricated on the Ti-Ta alloy surface by anodic oxidation (AO) and its surface properties were investigated. The anodic oxidized (AOed) film exhibited a roughened surface dotted with micropores. In addition, the AOed surface is more hydrophilic than the Ti-Ta alloy. The results of an anti-bacterial test revealed that the AOed surface possessed excellent anti-bacterial rate against Staphylococcus aureus (98.5%).
    描述: 碩士
    指導教授:陳玫秀
    委員:歐士輔
    委員:劉恆宇
    資料類型: thesis
    顯示於類別:[醫療器材產業碩士專班] 博碩士論文

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