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Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor
https://osaka-dent.repo.nii.ac.jp/records/185
https://osaka-dent.repo.nii.ac.jp/records/1854610aca9-276e-44c7-af3a-f9b46b77341a
名前 / ファイル | ライセンス | アクション |
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学位論文 (2.1 MB)
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論文内容要旨・審査結果要旨 (247.5 kB)
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Item type | 学位論文 / Thesis or Dissertation(1) | |||||
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公開日 | 2018-05-17 | |||||
本文言語 | ||||||
言語 | eng | |||||
タイトル | ||||||
タイトル | Analysis of Titania Nanosheet Adsorption Behavior Using a Quartz Crystal Microbalance Sensor | |||||
著者 |
田代, 悠一郎
× 田代, 悠一郎 |
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キーワード | ||||||
主題Scheme | Other | |||||
主題 | quartz crystal microbalance|nanostructure|implant | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||
資源タイプ | doctoral thesis | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We investigated the adsorption of albumin and fibronectin on a titania nanosheet- (TNS-) modified quartz crystal microbalance (QCM) sensor. A Ti QCM sensor was fabricated by reactive magnetron sputtering. A thin layer of Ti was deposited on the QCM sensor. This sensor was then alkali-modified by treatment with NaOH at room temperature to fabricate the titania nanosheets. Scanning probe microscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy were performed to investigate the surface topology and chemical components of each sensor. The TNS had a titanium oxide film exhibiting a nodular structure and a thickness of 13 nm on the QCM sensor. Furthermore, QCM measurements showed significantly greater amounts of albumin and fibronectin adsorbed on the TNS than on titanium. The NaOH treatment of titanium modified the sensor surface and improved the adsorption behaviors of proteins related to the initial adhesion of bone marrow cells. Therefore, we concluded that TNS improves the initial adhesion between the implant materials and the surrounding tissues. | |||||
学位名 | ||||||
学位名 | 博士(歯学) | |||||
学位授与機関 | ||||||
学位授与機関識別子Scheme | kakenhi | |||||
学位授与機関識別子 | 34408 | |||||
学位授与機関名 | 大阪歯科大学 | |||||
学位授与年月日 | ||||||
学位授与年月日 | 2018-03-09 | |||||
学位授与番号 | ||||||
学位授与番号 | 甲第823号 |