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http://dx.doi.org/10.5352/JLS.2004.14.6.891

CLPP of Biofilm on Different Pipe Materials in Drinking Water Distribution System  

Lee Dong-Geun (Department of Bioscience and Biotechnology, College of Engineering, Silla University)
Lee Jae-Hwa (Department of Bioscience and Biotechnology, College of Engineering, Silla University)
Lee Sang-Hyeon (Department of Bioscience and Biotechnology, College of Engineering, Silla University)
Ha Bae-Jin (Department of Bioscience and Biotechnology, College of Engineering, Silla University)
Ha Jong-Myung (Department of Bioscience and Biotechnology, College of Engineering, Silla University)
Publication Information
Journal of Life Science / v.14, no.6, 2004 , pp. 891-894 More about this Journal
Abstract
The effect of pipe materials on biofilm communities were investigated by CLPP (community level physiology profile) using Biolog GN plates. Heterotrophic bacterial concentrations were $10^4\;-\;10^6\;CFU/cm^2$ and there was no differences between galvanized iron and carbon steel. Average optical density of Biolog plate was similar between two pipe materials. However, CLPP was different according to the type of pipe materials and exposed times to tap water, and CLPP was independent of bacterial concentration. This represents the differences of bacterial communities with pipes and water contact times.
Keywords
biofilm; tap water; CLPP; carbon steel; galvanized iron;
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