Microwave Sterilization Using Catalyst Material Filter

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概要

• 論文の詳細を見る

• We developed a new microwave sterilization system that can rapidly raise filter temperature by microwave irradiation with a low microwave power. We prepared filters made of A2O3 wool to trap microorganisms. The filters were coated with TiO2 (anatase) by the sol–gel method before use. The filters were impregnated with each of two kinds of metals, Pt and Ag. We also prepared Tyranno-fiber (SiC continuous fiber containing small amounts of Ti, O) cloth and honeycomb SiC as filters. Two microorganisms, Escherichia coli and Bacillus subtilis were the targets in the present study. Cells of E. coli and B. subtilis loaded on the Ag-impregnated filter can be sterilized within 5 s by microwave irradiation. Tyranno-fiber cloth and honeycomb SiC were also effective for microwave sterilization. These results indicated that this technique enables rapid sterilization of E. coli and B. subtilis, and that microwave absorption materials, such as SiC and graphite, are effective for microwave sterilization filters.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2005-10-15

著者

• Takashima Hideaki

  Department Of Biosciences And Informatics Keio University

• Kanno Yoshinori

  Department Of Mechanical System Engineering University Of Yamanashi

• Kanno Yoshinori

  Department of Mechanical System Engineering, University of Yamanashi, 4-3-11 Takeda, Kofu 400-8511, Japan

• Wang Huagang

  Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 4-3-11 Takeda, Kofu 400-8511, Japan

• Miyakawa Yozo

  Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi, 4-3-11 Takeda, Kofu 400-8511, Japan

• Kanno Yoshinori

  Department of Cardiovascular Medicine, Tokyo Medical and Dental University

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