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- Article overview
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YOSHIYUKI FUEDA
Fuji Silysia Chemical Ltd.
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MANABU HASHIMOTO
Fuji Silysia Chemical Ltd.
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KAZUNORI NOBUHARA
Fuji Silysia Chemical Ltd.
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HARUHIKO YOKOI
Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki
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YASUHIRO KOMIYA
Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki
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TSUTOMU SHIRAGAMI
Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki
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JIN MATSUMOTO
Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki
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KIMIKO KAWANO
Miyazaki Sanitary and Environment Laboratory
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SEN SUZUKI
Miyazaki Sanitary and Environment Laboratory
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MASAHIDE YASUDA
Department of Applied Chemistry, Faculty of Engineering, University of Miyazaki
2005 Volume 10 Issue 1-2 Pages 55-60
- Published: June 01, 2005 Received: October 20, 2004 Available on J-STAGE: June 28, 2010 Accepted: January 20, 2005 Advance online publication: - Revised: -
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Correction information
Date of correction: June 28, 2010 Reason for correction: - Correction: ABSTRACT Details: Wrong : In order to develop a bactericidal agent which can operate under visible-light irradiation, silica gel-supported dihydroxo (tetraphenylporphyrinato) antimony (V) catalyst (SbTPP/Sio2) was prepared. Experiments to reduce concentrations of Legionella species were performed using a cylindrical SbTPP/SiO2-photocatalytic bactericidal apparatus in a cooling tower which held 8ooL of water. After 10 days, the concentrations ofLegionellaspecies were reduced to less than the detection limit, and these levels were kept until the irradiation was stopped. Also, a photocatalytic bactericidal experiment was conducted with a fountain that was filled with 13m3of water. The concentrations ofLegionellaspecies were reduced to less than the detection limit 12 days after the SbTPP/SiO2catalyst was installed in the fountain receiving sunlight irradiation. The concentrations ofLegionellaspecies were kept at less than 30CFU/100ml for 3 months until the catalyst was removed from the fountain. Thus, visible-light irradiation of the SbTPP/SiO2 catalyst induced a remarkable bactericidal activity againstLegionellaspecies in the living environment.
Right : In order to develop a bactericidal agent which can operate under visible-light irradiation, silica gel-supported dihydroxo (tetraphenylporphyrinato) antimony (V) catalyst (SbTPP/Sio2) was prepared. Experiments to reduce concentrations of Legionella species were performed using a cylindrical SbTPP/SiO2-photocatalytic bactericidal apparatus in a cooling tower which held 8ooL of water. After 10 days, the concentrations of Legionella species were reduced to less than the detection limit, and these levels were kept until the irradiation was stopped. Also, a photocatalytic bactericidal experiment was conducted with a fountain that was filled with 13m3of water. The concentrations of Legionella species were reduced to less than the detection limit 12 days after the SbTPP/SiO2catalyst was installed in the fountain receiving sunlight irradiation. The concentrations of Legionella species were kept at less than 30CFU/100ml for 3 months until the catalyst was removed from the fountain. Thus, visible-light irradiation of the SbTPP/SiO2 catalyst induced a remarkable bactericidal activity against Legionella species in the living environment.
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