Antibacterial and Antifungal Activities of PMMAs Implanted Fluorine and/or Silver Ions by Plasma-Based Ion Implantation with Argon

Persistent ID (NDL): info:ndljp/pid/12071409

Material type: 博士論文

Author: 加々美, 恵一

Publisher: -

Publication date: 2021-03-05

Material Format: Digital

Capacity, size, etc.: -

Name of awarding university/degree: 大阪歯科大学,博士（歯学）

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Note (General)：: The purpose of this study was to examine the anti-oral microorganism efects of fluorine and/or silver ions implanted into acrylic resin (PMMA) using p...

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Material Type: 博士論文
Title: Antibacterial and Antifungal Activities of PMMAs Implanted Fluorine and/or Silver Ions by Plasma-Based Ion Implantation with Argon
Author/Editor: 加々美, 恵一
Author Heading: 加々美, 恵一
Publication Date: 2021-03-05
Publication Date (W3CDTF): 2021-03-05
Alternative Title: アルゴンを用いたプラズマベースのイオン注入によりフッ素および／または銀イオンを注入したPMMAの抗細菌および抗真菌活性
Degree grantor/type: 大阪歯科大学
Date Granted: 2021-03-05
Date Granted (W3CDTF): 2021-03-05
Dissertation Number: 甲第888号
Degree Type: 博士（歯学）
Conferring No. (Dissertation): 甲第888号
Text Language Code: eng
Subject Heading: argon
fluorine
silver
PMMA
plasma-based ion implantation
surface modification
antibacterial effect
antifungal effect
Target Audience: 一般
Note (General): The purpose of this study was to examine the anti-oral microorganism efects of fluorine and/or silver ions implanted into acrylic resin (PMMA) using plasma-based ion implantation (PBII) with argon gas. The experimental PMMA specimens were implanted with F and Ag ions alone or simultaneously by the PBII method using Ar or Ar/F2 gases and Ag mesh. The surface characteristics were evaluated by X-ray photoelectron spectroscopy (XPS), contact angle measurements, and atomic force microscopy (AFM). Moreover, the antibacterial activity against Streptococcus mutans (S. mutans) and the antifungal activity against Candida albicans (C. albicans) were examined by the adenosine‐5’‐triphosphate (ATP) emission luminescence method. XPS spectra of the modified specimens revealed peaks due to F in the Ar/F and the Ar/F+Ag groups, and due to Ag in the Ar+Ag and the Ar/F+Ag groups. The water contact angle increased significantly due to the implantation of Ar, F, and Ag. In the AFM observations, the surface roughness of the Ar/F and the Ar/F+Ag groups increased significantly by less than 5 nanometers. The presence of F and Ag was found to inhibit S. mutans growth in the Ar+Ag and the Ar/F+Ag groups. However, this method provided no significant antifungal activity against C. albicans.
2020年度
Persistent ID (NDL): info:ndljp/pid/12071409
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Collection: 障害者向け資料
Collection (Materials For Handicapped People:1): テキストデータ
Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
https://dl.ndl.go.jp/collections/A00014
Acquisition Basis: 博士論文（自動収集）
Date Accepted (W3CDTF): 2022-02-06T04:33:19+09:00
Date Created (W3CDTF): 2021-04-22
Format (IMT): application/pdf
Access Restrictions: 国立国会図書館内限定公開
Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
Availability of remote photoduplication service: 可
Periodical Title (URI): http://id.nii.ac.jp/1392/00000255/
Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション
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