Effect of silver ion solution on the inhibition of Microcystis growth = 음이온 수용액의 Microcystis 생장 억제 효과

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Title
Effect of silver ion solution on the inhibition of Microcystis growth = 음이온 수용액의 Microcystis 생장 억제 효과
Author(s)
Gang Guk Choi; S H Lee; K S Bae; J K Shin; Hee-Mock Oh
Bibliographic Citation
Korean Journal of Environmental Biology, vol. 26, no. 3, pp. 183-191
Publication Year
2008
Abstract
The effect of silver ion solution on the growth of Microcystis aeruginosa UTEX 2388 (cyanobacterium) and Chlorella sp. KCTC AG20136 (green alga) was investigated using separated and mixed culture in filtered natural water and BG11 medium. In separated culture, M. aeruginosa UTEX 2388 and Chlorella sp. KCTC AG20136 were found to be sensitive to 0.01 and 0.1 mg L-1 of silver ion, respectively. Also, the silver ion concentrations for the growth inhibition of M. aeruginosa UTEX 2388 and Chlorella sp. KCTC AG20136 in the mixed culture were same in separated culture. Cyanobacteria were more sensitive to the silver ion solution than green algae. In bloom sample, the minimal inhibition concentration of silver ion solution for the low Chl-a sample (110~190 μg L-1) and high Chl-a sample (1,500~1,900 μg L-1) was about 0.1 and 3.0 mg L-1, respectively. The silver ion concentration for the inhibition of algal bloom sample was affected by the algal biomass. In order to use silver ion solution for the control of algal bloom, the silver ion concentration must be determined in consideration of a minimal effect on the environment.
Keyword
algal bloomCa++chlorellamicrocystissilver ion
ISSN
I000-0103
Publisher
Korea Soc-Assoc-Inst
Type
Article
Appears in Collections:
Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
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