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  5. 電化學表面改質對促進316L不銹鋼生醫相容性之影響研究
 
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電化學表面改質對促進316L不銹鋼生醫相容性之影響研究

Other Title
Effect of Electrochemical Modification on Enhancing the Biocompatibility of 316L Stainless Steel
Type
thesis
Date Issued
2007-06-25
Author(s)
林奕孚
Advisor
歐耿良
Subjects
系所名稱:口腔科學研究所
Description
學位別:碩士
語文別:英文
指導教授:歐耿良
共同指導教授:李勝揚
口試委員:盧陽明
中文關鍵字:316L不鏽鋼;骨整合;三氧化二鉻;陽極處理;奈微米孔洞
Abstract
諸多研究顯示,316L不鏽鋼於人體的生物相容(biocompatibility)有極高的評價,其非常適合做為人體的植入物,然而316L不鏽鋼之所以具極佳的生物相容性主要是與其金屬表面的氧化層有關,且於一些研究及文獻亦顯示植入生物體內材料表面的孔徑大小和細胞初始的攀附行為、增殖及分化有密切關係。若能有效控制氧化層為微奈米複合式多孔性將對骨整合會有所助益。
本研究以電化學的陽極處理方式使316L不鏽鋼表層形成一層微奈米複合式多孔性的三氧化二鉻(Cr2O3)結構,並以物理及化學性的分析儀器測試表面之成分、元素、膜厚、孔洞大小及結構是否符合要求,之後將對符合要求的試片於無塵室加以清洗、消毒後,即以這些試片進行細胞培養,經特定時間分別對細胞的攀附、增殖作不同的測試, 並加以比較不同條件下測試的結果。
本研究主要是在探討316L不鏽鋼植體表面經由電化學方式製作出不同的氧化層厚度及孔徑大小,並以細胞實驗在不同條件下的生長情形,此外更進一步探討微奈米複合式孔洞的表面與骨整合的癒合機制並進行比較,此結果可對縮短植入於骨內的植體,如牙科植體的骨整合癒合時間有所助益。
URI
https://203.71.86.71/handle/123456789/11965
https://hdl.handle.net/11296/2tm6ek
File(s)
No Thumbnail Available
Name

C0183312.pdf

Size

38.29 MB

Format

Adobe PDF

Checksum

(MD5):5caf2a22eb1dbe8e5e2d15e24607468b

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