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김남이,임병찬,원운재,현근우,최금종,송은정,허문영,Kim, Nam-Yee,Lim, Beng-Chan,Weon, Wun-Jae,Hyun, Geun-Woo,Choi, Geum-Jong,Song, Eun-Jeong,Heo, Moon-Young 대한약학회 2007 약학회지 Vol.51 No.6
This study was to evaluate the genotoxic effects of airborne particulate matters using single cell gell elec trophoresis (comet assay) in A549 human lung carcinoma cells. The total suspended particulate (TSP) was collected on back-up filter in Chuncheon, Kangwon Do, South Korea from April, 2003 to February, 2005. The concentrations of TSP, B(a)p and most of heavy metals seemed to be higher in spring and winter, and lower in summer. And they showed higher concentration in the commercial areas and the residential area having more traffics than in the rural area. It was found that A549 cells interacting with the organic extract of TSP showed more DNA single-strand breaks compare to untreated cells. The genotoxicity of the organic extract of TSP was increased with the pre-treatment of S-9 mixture during the culture or with the treatment of endonuclease after cell lysis. The DNA damage by the organic extract of TSP was higher in winter and the commercial area than in summer and the rural area. This study suggests that TSP, heavy metals and B(a)P analyzed showed significant variation depend on the seasons and the areas which are correlated with the DNA damage evaluated by Comet assay, indicating that genotoxic biomarker is useful for toxicological evaluation of air quality.
Integrated Analysis, Design and Optimization Program Development for Advanced Air Mobility Aircraft
Maxim Tyan(장막심),JaeLyun Lee(이재륜),MinJi Kim(김민지),Woon Jae Won(원운재),Yeonju Choi(최연주),Zin Win Thu,Ki Joon Byeon(변기준),Seong Joong Park(박성중),Jae-Woo Lee(이재우) 한국항공우주학회 2022 한국항공우주학회 학술발표회 논문집 Vol.2022 No.11