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Photocatalytic TiO2 particles confer superior antibacterial effects in a nutrition-rich environment: an in vitro study
http://hdl.handle.net/10069/23323
http://hdl.handle.net/10069/2332391367a2c-2bdc-49c6-930d-82d5036cb47b
名前 / ファイル | ライセンス | アクション |
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BioRes31_151.pdf (318.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-07-21 | |||||
タイトル | ||||||
タイトル | Photocatalytic TiO2 particles confer superior antibacterial effects in a nutrition-rich environment: an in vitro study | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Hiura, Takeshi
× Hiura, Takeshi× Koseki, Hironobu× Shiraishi, Koutaro× Asahara, Tomohiko× Tsurumoto, Toshiyuki× Shindo, Hiroyuki× Baba, Koumei× Taoda, Hiroshi× Terasaki, Nao |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Titanium dioxide (TiO2) is known to confer photocatalytic bactericidal effects under ultraviolet (UV) irradiation. Few reports are available, however, on the clinical applications of TiO2 particle mixtures. Our objective in the present research was to evaluate the in vitro bactericidal effects of a TiO2 particle mixture in a nutrition-rich biological environment. A bacterial suspension of Staph-ylococcus aureus and epidermidis 3 × 103CFU/mL was added to a TiO2 particle mixture (0.038 mg/mL) containing mainly sodium percarbonate and citric acid. To simulate a biological environment, 40 μL of 10% bovine serum albumin was added and the culture temperature was maintained at 37°C. The resulting product was irradiated by UV light and the bacterial survival rate was calculated for each time of UV irradiation. In the control sample treated with distilled water + UV, the bacteria survived at a high rate even after 180 min. In the TiO2 mixture+ UV sample, meanwhile, the bacterial survival rate dropped to 43.8% and 6.0% of the baseline values in S. aureus and S. epidermidis, respectively, after 60 min of UV irradiation. The photocatalytic antibacterial action of the TiO2 particle mixture was high even in a protein-rich biological environment. | |||||
書誌情報 |
Biomedical Research 巻 31, 号 2, p. 151-154, 発行日 2010-04 |
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出版者 | ||||||
出版者 | Biomedical Research Press | |||||
出版者別言語 | ||||||
バイオメディカルリサーチプレス | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03886107 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880313X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00110128 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2220/biomedres.31.151 | |||||
権利 | ||||||
権利情報 | Copyright (c) 2010 Biomedical Research Press | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Biomedical Research, 31(2), pp.151-154; 2010 |