In vitro bactericidal activity of photo-irradiated oxydol products via hydroxyl radical generation

Akira Oyamada, Hiroyo Ikai, Keisuke Nakamura, Eisei Hayashi, Taro Kanno, Keiichi Sasaki, Yoshimi Niwano

研究成果: Article査読

4 被引用数 (Scopus)

抄録

The oxidative power of hydroxyl radicals has been applied to disinfection systems for the purpose of oral hygiene by utilizing blue light-induced photolysis of hydrogen peroxide (H2O2) in our laboratory. In the present study, the bactericidal potential of blue light-irradiated oxydol products via hydroxyl radical generation was compared with that of 3% (w/v) H2O2. Eleven commercially available oxydol products were used in the present study. Even though a few of the products that contained ethanol, a hydroxyl radical scavenger, as an additive showed slightly lower hydroxyl radical yield as compared with 3% (w/v) H2O2, the blue-light irradiation of each oxydol product for 3 min showed similar or superior bactericidal activity against Staphylococcus aureus to that of 3% (w/v) H2O2. The results strongly suggest that any of the oxydol products tested in the present study can be used as a source of hydroxyl radicals for the disinfection technique developed in our laboratory.

本文言語English
ページ(範囲)83-88
ページ数6
ジャーナルBiocontrol Science
18
2
DOI
出版ステータスPublished - 2013

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Public Health, Environmental and Occupational Health

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