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  5. 電漿表面功能化對二氧化鈦相變化及顯微結構之研究
 
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電漿表面功能化對二氧化鈦相變化及顯微結構之研究

Other Title
Research of Phase Transition and Microstructure on Titanium Oxide Film by Plasma Functionalization
Type
thesis
Date Issued
2009-06-08
Author(s)
劉慶捷
Advisor
歐耿良
Subjects
系所名稱:生醫材料暨工程研究所
Description
學位別:碩士
語文別:英文
指導教授:歐耿良
共同指導教授:
口試委員:劉沖明;李九龍;黃瓊芳
中文關鍵字:鈦;氧化;骨整合;電漿
Abstract
諸多研究指出,鈦金屬與其合金具有極高的生物相容性,非常適合做為人體的植入物,然而鈦金屬與其合金之所以具極佳的生物相容性(Biocompatibility)主要是與其表面的氧化層有關,研究指出植體表面氧化層厚度與錶面結構對於細胞初始的攀附行為、增殖及分化有密切的關係。而本研究將利用氧氣電漿鈦金屬表面做氧化處理,並使其表面呈現奈米化結構,藉此表面處理來提高鈦金屬之生物相容性。而結果顯示,經電漿處理後之表面氧化層,其相由α相 轉變為 α + TiO 再轉變為α + TiO + ??-TiO2,這樣的結果是於先前研究中沒發現過的,而??-TiO2可有效提高植體的骨整合。此外,氧化層中形成的奈米TiO + ??-TiO2相之奈米結構可提高蛋白質的貼附,藉此提高細胞的貼附及血液反應,藉此提高生物相容性,並有效提高骨整合。
URI
https://203.71.86.71/handle/123456789/12829
https://hdl.handle.net/11296/n82ecy
File(s)
No Thumbnail Available
Name

C0191369.pdf

Size

7.46 MB

Format

Adobe PDF

Checksum

(MD5):c2236f764caf45d2be96762013c64780

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