지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Soil column experiments were evaluated effects of silver nanoparticles (i.e., 0, 2.5, 5, and 10 mg/L) on the microbial viability which is strongly associated with the degradation of organic matter, pharmaceutically active compounds(PhACs) and biological oxidation of nitrogenous compounds during river bank filtration. The addition of silver nanoparticles resulted in almost no change in the aqueous matrix. However, the intact cell concentration decreased with addition of silver nanoparticles from 2.5 to 10 mg/L, which accounted for 76% to 82% reduction compared to that of control (silver nanoparticles free surface water). The decrease in adenosine triphosphate was more pronounced; thus, the number and active cells in aqueous phase were concurrently decreased with added silver nanoparticles. Based on the florescence excitation-emission matrix and liquid chromatograph - organic carbon detection analyses, it shows that the removal of protein-like substances was relatively higher than that of humic-like substances, and polysaccharide was substantially reduced. But the extent of those substances removed during soil passage was decreased with the increasing concentration of silver nanoparticles. The attenuation of ionic PhACs ranged from 55% to 80%, depending on the concentration of silver nanoparticles. The attenuation of neutral PhACs ranged between 72% and 77%, which was relatively lower than that observed for the ionic PhACs. The microbial viability was affected by silver nanoparticles, which also resulted in inhibition of nitrifiers.
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참고문헌 (41)
참고문헌 신청
국립환경과학원 / 2006 / Development of analytical method and study of exposure of pharmaceuticals and personal care products in environment
손희종 / 2004 / 상수원수중의 천연유기물질 특성과 염소 소독부산물 생성의 관계 / 대한환경공학회지 26(4):457~466
Barker, D. J / 1999 / A review of soluble microbial products (SMP) in wastewater treatment systems / Water Res. 33(14):3063~3082
Berney, M. / 2008 / Rapid cultivation-independent assessment of microbial viability in drinking water / Water Res 42(14):4010~4018
Borisover, M. / 2012 / Water-extractable soil organic matter characterization by chromophoric indicators: Effects of soil type and irrigation water quality / Geoderma 179-180:28~37
손희종 / 2004 / 상수원수중의 천연유기물질 특성과 염소 소독부산물 생성의 관계 / 대한환경공학회지 26(4):457~466
Barker, D. J / 1999 / A review of soluble microbial products (SMP) in wastewater treatment systems / Water Res. 33(14):3063~3082
Berney, M. / 2008 / Rapid cultivation-independent assessment of microbial viability in drinking water / Water Res 42(14):4010~4018
Borisover, M. / 2012 / Water-extractable soil organic matter characterization by chromophoric indicators: Effects of soil type and irrigation water quality / Geoderma 179-180:28~37
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