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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

Inactivation differences of microorganisms by low pressure UV and pulsed xenon lamps

M. Otaki, A. Okuda, K. Tajima, T. Iwasaki, S. Kinoshita ...
Water Sci Technol (2003) 47 (3): 185–190.
DOI: https://doi.org/10.2166/wst.2003.0193
Date Online: 01 February 2003
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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

Rainwater drainage management for urban development based on public-private partnership

J. Matsushita, M. Ozaki, S. Nishimura, S. Ohgaki
Water Sci Technol (2001) 44 (2-3): 295–303.
DOI: https://doi.org/10.2166/wst.2001.0782
Date Online: 01 July 2001
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Journal Articles

Evaluation of refractory organic removal in combined biological powdered activated carbon - microfiltration for advanced wastewater treatment

G. T. Seo, S. Ohgaki
Water Sci Technol (2001) 43 (11): 67–74.
DOI: https://doi.org/10.2166/wst.2001.0668
Date Online: 01 June 2001
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Journal Articles

Aqueous microorganisms inactivation by photocatalytic reaction

M. Otaki, T. Hirata, S. Ohgaki
Water Sci Technol (2000) 42 (3-4): 103–108.
DOI: https://doi.org/10.2166/wst.2000.0365
Date Online: 01 August 2000
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Journal Articles

Control and modeling of membrane fouling due to microorganism growth by UV pretreatment

M. Otaki, S. Takizawa, S. Ohgaki
Water Sci Technol (1998) 38 (4-5): 405–412.
DOI: https://doi.org/10.2166/wst.1998.0679
Date Online: 01 August 1998
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Journal Articles

Photocatalytic inactivation of phage Qβ by immobilized titanium dioxide mediated photocatalyst

S. Lee, K. Nishida, M. Otaki, S. Ohgaki
Water Sci Technol (1997) 35 (11-12): 101–106.
DOI: https://doi.org/10.2166/wst.1997.0717
Date Online: 01 June 1997
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Journal Articles

Role of inorganic phosphorus in controlling regrowth in water distribution system

A. Sathasivan, S. Ohgaki, K. Yamamoto, N. Kamiko
Water Sci Technol (1997) 35 (8): 37–44.
DOI: https://doi.org/10.2166/wst.1997.0295
Date Online: 01 April 1997
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Journal Articles

Sorption characteristics of biological powdered activated carbon in BPAC-MF (biological powdered activated carbon-microfiltration) system for refractory organic removal

G. T. Seo, S. Ohgaki, Y. Suzuki
Water Sci Technol (1997) 35 (7): 163–170.
DOI: https://doi.org/10.2166/wst.1997.0273
Date Online: 01 April 1997
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