EVALUATION OF GROWTH INHIBITORY EFFECT OF CERAMICS POWDER SLURRY ON BACTERIA BY CONDUCTANCE METHOD

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概要

• 論文の詳細を見る

• The growth inhibitory effect of 26 ceramic powder slurries on bacteria was evaluated by measurement of the conductance change of the growth medium caused by bacterial metabolism (conductance method). Escherichia coli, Salmonella typhimurium, Pseudomonas aeruginosa, Staphylococcus aureus and Bacillus subtilis were used as test bacteria. It was found that the growth of the test bacteria was inhibited by 10 ceramic powders. Magnesium oxide (MgO) and calcium oxide (CaO) powder slurries had a growth inhibitory effect on all test bacteria. In the cases of MgO, and CaO powder slurries, there was no difference in sensitivities among the test bacteria. These powder slurries exhibited bactericidal action on the test bacteria. On the other hand, the zinc oxide (ZnO) powder slurry inhibited the growth of Gram-positive bacteria stronger than Gram-negative bacteria. The effect was bacteriostatic action. The conductance method could provide quantitative and simple evaluation of the growth inhibitory effect of ceramic powder slurries on bacteria, and was more applicable than the conventional methods, such as the halo test.

• 社団法人 化学工学会の論文

著者

• SHIMIZU Masaru

  Department of Electrical Engineering and Computer Sciences, Graduate School of Engineering, Universi

• KOKUGAN Takao

  Department of Chemical Engineering, Tokyo University of Agriculture and Technology

• SAWAI Jun

  Department of Applied Chemistry, Kanagawa Institute of Technology

• Shimizu M

  Advanced Industrial Science And Technology (aist) Power Electronics Research Center

• Shimizu Mitsuaki

  Power Electronics Research Center National Institute Of Advanced Industrial Science And Technology

• IGARASHI HIDEO

  Department of Microbiology, Tokyo Metropolitan Research Laboratory of Public Health

• HASHIMOTO Atsushi

  Department of Chemical Engineering, Division of Applied Chemistry, Tokyo University of Agriculture &

• Hashimoto Atsushi

  Department Of Chemical Engineering Division Of Applied Chemistry Tokyo University Of Agriculture &am

• Sawai J

  Kanagawa Inst. Technol. Atsugi‐shi

• Sawai Jun

  Department Of Applied Bioscience Faculty Of Engineering Kanagawa Institute Of Technology

• Shimizu M

  Tokyo Univ. Agriculture & Technol. Koganei

• Kokugan T

  Tokyo Univ. Agriculture And Technol. Koganei Jpn

• Kokugan Takao

  Department Of Chemical Engineering Faculty Of Technology Tokyo University Of Agriculture And Technol

• Kokugan Takao

  Department Of Chemical Engineering Faculty Of Engineering Tokyo University Of Agriculture And Techno

• Kokugan Takao

  Tokyo University Of Agriculture And Technology Department Of Chemical Engineering

• Igarashi H

  Tokyo Metropolitan Res. Lab. Public Health Tokyo

• Igarashi Hideo

  Department Of Agricultural Chemistry Yamagata University

• Shimizu Masaru

  Department Of Chemical Engineering Tokyo University Of Agriculture And Technology

• Shimizu Masaru

  Department Of Chemical Engineering Faculty Of Engineering Tokyo University Of Agriculture And Techno

• Hashimoto Atsushi

  Department Of Anesthesiology Aichi Medical University

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