Comparison of various disinfectants on bactericidal activity under organic matter contaminated water

  • SATO YOKO
    Division of Biomedical Engineering, Research Institute, National Defense Medical College
  • ISHIHARA MASAYUKI
    Division of Biomedical Engineering, Research Institute, National Defense Medical College
  • NAKAMURA SHINGO
    Division of Biomedical Engineering, Research Institute, National Defense Medical College
  • FUKUDA KOICHI
    Division of Biomedical Engineering, Research Institute, National Defense Medical College
  • KUWABARA MASAHIRO
    Department of Plastic and Reconstructive Surgery, National Defense Medical College
  • TAKAYAMA TOMOHIRO
    Department of Oral and Maxillofacial Surgery, National Defense Medical College
  • HIRUMA SUMIYO
    Division of Biomedical Engineering, Research Institute, National Defense Medical College
  • MURAKAMI KAORU
    Department of Oral and Maxillofacial Surgery, National Defense Medical College
  • FUJITA MASANORI
    Division of Environmental Medicine, Research Institute, National Defense Medical College
  • YOKOE HIDETAKA
    Department of Oral and Maxillofacial Surgery, National Defense Medical College

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タイトル別名
  • Comparison of Various Disinfectants on Bactericidal Activity Under Organic Matter Contaminated Environments

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<p>The bactericidal activity of heated bio-shell calcium oxide (BiSCaO) powder suspension (pH 12.4) , hypochlorous acid (HClO; pH 6), sodium hypochlorite (NaClO; pH 8) , povidone-iodine (Isodine solution®) , and chlorhexidine gluconate (Hibiscrub®) under organic matter contaminated environments were compared for tests conducted on wood scraps and pig skin pieces that were incubated with normal bacterial flora (total viable counts and coliform bacteria) . The test results showed that BiSCaO suspension had higher bactericidal activity than HClO and NaClO. Furthermore, more than 10-fold higher concentrations of antiseptics such as povidone-iodine and chlorhexidine gluconate were required to achieve bactericidal activity comparable to that of BiSCaO suspension. Our results demonstrate the possibility of using BiSCaO suspension under organic matter contaminated environments as a disinfectant for environmental and food hygiene applications.</p>

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