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박재인,연방희,최태호,이은경,임선희,김홍은,조남석,김태동 忠北大學校 農業科學硏究所 2003 農業科學硏究 Vol.20 No.-
In order to establish a dyeing method with Magnoliaceae tree species dyeing was examined with 4 different parts, leaf, stem bark, root, flower of 4 Magnohaceae species, Magnolia kobus Dc., Magnolia denudata Desr, Magnolia obovata Thunb, Liriodendron tulipifera L Mordants used were chemicals, AIK(SO_4)_2 24H_2O, Ca(OH)_2, FeSO_4 7H_2O. All four species showed similar coloring among four different parts. Leaves and petals showed dark yellow, stem bark, grayish yellow, root bark, dark red or yellow. Al mordant made more brighter colour than Fe mordant. Stem bark showed less difference in color by mordants, whereas petals did the biggest.
거대 점오염원이 주변 대기질에 미치는 영향에 관한 연구
김유근,이화운,전병일,장은숙,홍정혜,문윤섭,원경미,송정희 부산대학교 환경문제연구소 1996 環境硏究報 Vol.14 No.1
In order to show the effect of a vast point pollutant source on air quality of Pusan Thermoeletric Power Plant and its surrounding area, air quality around Pusan Thermoeletric Power Plant was simulated by ISCLT-2 which was supplied by EPA. For this purpose the emission amount of SO_2, NO_2 and TSP was calculated and atmospheric stability was classified for a recent decade(1985~1994) in Pusan. A result of the emission amount showed that much amount of NO_2, NO_2 and TSP are emitted from industrial area. It was clear that NO_2 is much emitted from line source and industrial area. And as a result of classification of atmospheric stability, neutral, stable and unstable state were 58%, 24.1% and 17.9%, respectivly. The result of ai quality simulation by ISCLT-2 showed that Pusan Thermoeletric Power Plant is affecting on the increse of 2.0ppb, 3.0ppb and 5.0㎍/㎥, SO_2, NO_2, and TSP respectively at its surrounding area, site A-3 which was located westward 2.2㎞ distance from Plant
Hong, Gyeong-Eun,Kim, Jin-A.,Nagappan, Arulkumar,Yumnam, Silvia,Lee, Ho-Jeong,Kim, Eun-Hee,Lee, Won-Sup,Shin, Sung-Chul,Park, Hyeon-Soo,Kim, Gon-Sup Hindawi Publishing Corporation 2013 Evidence-based Complementary and Alternative Medic Vol.2013 No.-
<P><I>Scutellaria baicalensis</I> Georgi has been used as traditional medicine for treating inflammatory diseases, hepatitis, tumors, and diarrhea in Asia. Hence, we investigated the anti-inflammatory effect and determined the molecular mechanism of action of flavonoids isolated from Korean <I>S. baicalensis</I> G. in lipopolysaccharide- (LPS-) stimulated RAW 264.7 macrophages. A 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay was performed to examine cytotoxicity of the flavonoids at various concentrations of 10, 40, 70, and 100 <I>µ</I>g/mL. No cytotoxicity was observed in RAW 264.7 cells at these concentrations. Furthermore, the flavonoids decreased production of inflammatory mediators such as inducible nitric oxide synthase, cyclooxygenase-2, interleukin-6, and tumor necrosis factor-alpha and inhibited phosphorylation of nuclear factor-kappa B (NF-<I><I>κ</I></I>B) and mitogen-activated protein kinases (MAPKs) in LPS-induced RAW 264.7 cells. Moreover, to identify the differentially expressed proteins in RAW 264.7 cells of the control, LPS-treated, and flavonoid-treated groups, two-dimensional gel electrophoresis and mass spectrometry were conducted. The identified proteins were involved in the inflammatory response and included PRKA anchor protein and heat shock protein 70 kD. These findings suggest that the flavonoids isolated from <I>S. baicalensis</I> G. might have anti-inflammatory effects that regulate the expression of inflammatory mediators by inhibiting the NF-<I><I>κ</I></I>B signaling pathway via the MAPK signaling pathway in RAW 264.7 cells.</P>
Gyeong-Eun Hong,박현수,Jin-A Kim,Arulkumar Nagappan,Jue Zhang,Sang-rim Kang,Chung-Kil Won,조재현,김은희,김곤섭 충북대학교 동물의학연구소 2012 Journal of Biomedical and Translational Research Vol.13 No.4
Fraxinus rhynchophylla (Oleaceae) is a deciduous tree, known to have properties such as anti-inflammatory, convergence, febricide, antiblenophthalmia, antidiarrhea, antileukorrhea, and so forth. And it has been used for traditional herbal medicine in East Asian countries including Korea. In this study, we investigated the antioxidant and anti-inflammatory effects of Fraxinus rhynchophylla ethanol extract (FRE) in lipopolysaccharide (LPS)-induced murine macrophage Raw 264.7 cells with FRE pretreatment. We carried out DPPH-assay, Western blot, and Reverse Transcription-Polymerase Chain Reaction (RT-PCR). FRE showed 85% of free radical scavenging activity at concentration of 80 μg/ml. This study also revealed that FRE down-regulates the Cox-2 and iNOS expression in mRNA and protein level. In conclusion, crude ethanol extract of Fraxinus rhynchophylla showed antioxidant and anti-inflammatory activities, and it may provide a good possibility for valuable sources of natural herb agent to inhibit the inflammation.