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H. Katayama
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Journal Articles

Effect of photoreactivation on ultraviolet inactivation of Microcystis aeruginosa

H. Sakai, H. Katayama, K. Oguma, S. Ohgaki
Water Sci Technol (2011) 63 (6): 1224–1229.
DOI: https://doi.org/10.2166/wst.2011.362
Date Online: 01 March 2011
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Journal Articles

Development of a real-time RT-PCR assay combined with ethidium monoazide treatment for RNA viruses and its application to detect viral RNA after heat exposure

K. Kim, H. Katayama, M. Kitajima, Y. Tohya, S. Ohgaki
Water Sci Technol (2011) 63 (3): 502–507.
DOI: https://doi.org/10.2166/wst.2011.249
Date Online: 01 February 2011
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Journal Articles

Seasonal profiles of human noroviruses and indicator bacteria in a wastewater treatment plant in Tokyo, Japan

E. Haramoto, H. Katayama, K. Oguma, H. Yamashita, A. Tajima ...
Water Sci Technol (2006) 54 (11-12): 301–308.
DOI: https://doi.org/10.2166/wst.2006.888
Date Online: 01 December 2006
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Journal Articles

Quantification and genotyping of Cryptosporidium spp. in river water by quenching probe PCR and denaturing gradient gel electrophoresis

Y. Masago, K. Oguma, H. Katayama, S. Ohgaki
Water Sci Technol (2006) 54 (3): 119–126.
DOI: https://doi.org/10.2166/wst.2006.457
Date Online: 01 August 2006
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Journal Articles

Monitoring of human enteric viruses and coliform bacteria in waters after urban flood in Jakarta, Indonesia

C. Phanuwan, S. Takizawa, K. Oguma, H. Katayama, A. Yunika ...
Water Sci Technol (2006) 54 (3): 203–210.
DOI: https://doi.org/10.2166/wst.2006.470
Date Online: 01 August 2006
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Journal Articles

Effects of rainfall on the occurrence of human adenoviruses, total coliforms, and Escherichia coli in seawater

E. Haramoto, H. Katayama, K. Oguma, Y. Koibuchi, H. Furumai ...
Water Sci Technol (2006) 54 (3): 225–230.
DOI: https://doi.org/10.2166/wst.2006.473
Date Online: 01 August 2006
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Journal Articles

Accumulation of copper and silver onto cell body and its effect on the inactivation of Pseudomonas aeruginosa

M.G. Hwang, H. Katayama, S. Ohgaki
Water Sci Technol (2006) 54 (3): 29–34.
DOI: https://doi.org/10.2166/wst.2006.444
Date Online: 01 August 2006
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Journal Articles

Factors causing PAC cake fouling in PAC–MF (powdered activated carbon-microfiltration) water treatment systems

P. Zhao, S. Takizawa, H. Katayama, S. Ohgaki
Water Sci Technol (2005) 51 (6-7): 231–240.
DOI: https://doi.org/10.2166/wst.2005.0642
Date Online: 01 March 2005
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Journal Articles

Series of surveys for enteric viruses and indicator organisms in Tokyo Bay after an event of combined sewer overflow

H. Katayama, K. Okuma, H. Furumai, S. Ohgaki
Water Sci Technol (2004) 50 (1): 259–262.
DOI: https://doi.org/10.2166/wst.2004.0064
Date Online: 01 July 2004
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Journal Articles

Cryptosporidium monitoring system at a water treatment plant, based on waterborne risk assessment

Y. Masago, K. Oguma, H. Katayama, T. Hirata, S. Ohgaki
Water Sci Technol (2004) 50 (1): 293–299.
DOI: https://doi.org/10.2166/wst.2004.0070
Date Online: 01 July 2004
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Journal Articles

Repressive effects of yeast extract on photoreactivation of Escherichia coli

J. Oguma, H. Katayama, H. Mitani, S. Ohgaki
Water Sci Technol (2004) 50 (1): 33–38.
DOI: https://doi.org/10.2166/wst.2004.0011
Date Online: 01 July 2004
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Journal Articles

Assessment of risk of infection due to Cryptosporidium parvum in drinking water

Y. Masago, H. Katayama, A. Hashimoto, T. Hirata, S. Ohgaki
Water Sci Technol (2002) 46 (11-12): 319–324.
DOI: https://doi.org/10.2166/wst.2002.0756
Date Online: 01 December 2002
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Journal Articles

Bacteriophage-host interaction in the enhanced biological phosphate removing activated sludge system

M.A. Khan, H. Satoh, T. Mino, H. Katayama, F. Kurisu ...
Water Sci Technol (2002) 46 (1-2): 39–43.
DOI: https://doi.org/10.2166/wst.2002.0453
Date Online: 01 July 2002
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