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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2008.1
- 수록면
- 336 - 342 (7page)
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이 논문의 연구 히스토리 (3)
2008
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The effect of methyl tert-butyl ether (MTBE) and its metabolites like tert-butyl alcohol (TBA), and formaldehyde (FA) on microbial activity and diversity in tidal mud flat was studied. MTBE, TBA, and FA with different concentrations were added into microcosms containing tidal mud samples, and placed at room temperature for 30 days. Then the physico-chemical properties such as pH, moisture contents and organic matter contents in the microcosms were measured. In addition, the total viable cell number and dehydrogenase activity were measured. Bacterial communities in the microcosms were monitored using a 16S rRNA-PCR-DGGE (Denaturing gradient gel electrophoresis) fingerprinting method. As a result, the exposure concentrations of MTBE and its metabolites showed no correlation with the physico-chemical factors (P>0.05). Dehydrogenase activity and total viable cell number were decreased with increasing MTBE,
TBA and FA concentrations (P<0.05). The toxic effect was higher the following order: FA > MTBE > TBA. Dominant species in the microcosms contaminated with MTBE and its metabolites were Sphingobacteria, Flavobacteria, delta-proteobacteria, gamma-proteobacteria. The diversity of bacterial community was not significantly influenced by MTBE and its metabolites.
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참고문헌 (19)
참고문헌 신청
Barbara, M. K / 2003 / Habitat functions of agricultural soils as affected by heavy metals and polycyclic aromatic hydrocarbons contamination 28 : 719 ~ 728
Bark, C. / 2004 / Environmental considerations on the function and value of tidal wetland / Environ. Impact Assess 13 : 87 ~ 101
Chisala, B. N. / 2007 / Evaluation the risks of Methyl tert-butyl Ether (MTBE) pollution of urban groundwater / J. Contam. Hydrol 91 : 128 ~ 145
Cho, W. S. / 2005 / Bacterial communities of biofilm sampled from seepage groundwater contaminated with petroleum oil 15 : 952 ~ 964
Jung, S.S.Y. / 2004 / Study on adsorption and diffusion transport of MTBE(Methyl tertiary butyl ether) into the soil / Master / Pusan National University
Bark, C. / 2004 / Environmental considerations on the function and value of tidal wetland / Environ. Impact Assess 13 : 87 ~ 101
Chisala, B. N. / 2007 / Evaluation the risks of Methyl tert-butyl Ether (MTBE) pollution of urban groundwater / J. Contam. Hydrol 91 : 128 ~ 145
Cho, W. S. / 2005 / Bacterial communities of biofilm sampled from seepage groundwater contaminated with petroleum oil 15 : 952 ~ 964
Jung, S.S.Y. / 2004 / Study on adsorption and diffusion transport of MTBE(Methyl tertiary butyl ether) into the soil / Master / Pusan National University
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