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Interleukin-2가 호산구 생존에 미치는 영향과 기전에 관한 연구
김효석 ( Hyo Seok Kim ),이영목 ( Young Mok Lee ),최영수 ( Young Soo Choi ),김경호 ( Kyung Ho Kim ),임건일 ( Geon Il Im ),문승혁 ( Jeong Sung Whan ),정성환 ( Moon Seung Hyug ),김현태 ( Hyeon Tae Kim ),어수택 ( Uh Soo Taek ),김용훈 대한결핵 및 호흡기학회 1996 Tuberculosis and Respiratory Diseases Vol.43 No.3
마우스 복강대식세포에서 가감공진단(加減拱辰丹)의 항염증 효과
김홍준,김영식,목지예,정승일,황성연,조정근,장선일,Kim, Hong-Jun,Kim, Young-Sik,Mok, Ji-Ye,Jeong, Seung-Il,Hwang, Sung-Yeoun,Cho, Jung-Keun,Jang, Seon-Il 대한한의학방제학회 2011 大韓韓醫學方劑學會誌 Vol.19 No.1
Objectives : In a previous study, we have shown that Gagam-Gongjin-Dan(GGD) has an inhibitory effect on the ovalbumin-induced immune responses and a hepatoprotective effect on actaminophen-induced liver injury in Balb/c Mice. However, the possible anti-inflammatory effect of GGD extract for inflammatory mediators was not reported. Therefore, the purpose of this study was to investigate an inhibitory effects of GGD extract against lipopolysaccharides(LPS) induced inflammatory mediators in mouse peritoneal macrophages. Methods : GGD extract was prepared by extracting with methanol for 7 days. The extract was freeze-dried following filtration through vacuum distillation system. Accumulated nitrite, an oxidative product of nitric oxide(NO), was measured in the culture medium by the Griess reaction. The levels of prostaglandin $E_2(PGE_2)$, interleukin-$1{\beta}$(IL-$1{\beta}$), tumor necrosis factor-${\alpha}$(TNF-${\alpha}$) were measured by enzyme-linked immunosorbent assay. The expressions of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2(COX-2) were measured by Western blot analysis. Results : GGD extract (50-$400\;{\mu}g$/ml) per se had no cytotoxic effect in LPS-stimulated peritoneal macrophages. GGD extract dose-dependently reduced NO, $PGE_2$, IL-$1{\beta}$ and TNF-${\alpha}$ production and COX-2 activity caused by stimulation of LPS. The levels of iNOS and COX-2 protein expressions were markedly suppressed by the treatment with GGD extract in a dose dependent manner. Conclusions : These results suggest that GGD extract has an anti-inflammatory effect against LPS-induced inflammatory mediators in peritoneal macrophages, these properties may contribute to inflammation disease care.
睦榮一,許炳琪 亞洲大學校 1988 論文集 Vol.11 No.-
Use of iterative stepwise methods has been a common practice in designing multicomponent distillation columns. Sometimes, it is difficult to justify iterative calculations from the point of view of cost-effectiveness, particularly when the input information does not have precision or accuracy, or when one simply does not have sufficient information for the system under study. In this work a new method was proposed which permits quick and simple procedures giving rise to values of 14 different parameters needed for the design of a column for a multicomponent distillation Several simplifying assumptions are made in the course: the usual one of a quasibinary in which the average relative volatility of the light key referred to the heavy in the bottoms and the light key referred to the heavy in the bottoms and the light key referred to the heavy in the distillate, Prater and Boyd's approximaton for column efficiency, approximations for expedience that arise in the actual mechanical fabrications of columns according to the common industrial practice, and other simplifications in the heat exchanger calcualtions. In order to validate the proposed method, comparisons are made with other popular methods such as Smith-Brinkly Short-Cut Method(SB), Fenske-Underwood-Erbar-Maddox Short-Cut Method(FUEM) and Step-by-Step Method(SBSM), by means of an actual design example. Departure from the results by the Step-by-Step Method was about 10%, the latter being the method yielding the highest accuracy as well as precision. Also, in this work procedures are presented for calculations of several hardware parameters of a distillation column and of heat exchangers annexed to the column.
連續醱酵에 있어서 微生物再循環을 위한 接線流 分離膜 利用에 關한 硏究
康榮權,睦榮一 亞洲大學校 1987 論文集 Vol.10 No.-
The present investigation examines the mass transfer phenomena occurring in a cassette filtration system whose main components are tangential flow separation membranes. When the system was applied to the continuous removal of the product together with cell recycle in a continuous fermentation, productivity of ethanol has markedly increased, giving rise to a maximum productivity 6 times higher than that of the batch mode.
남일송,윤여일,김선규,김용현,이주영,목지오,윤석기,김철희,김영선,변동원,서교일,유명희 순천향의학연구소 2001 Journal of Soonchunhyang Medical Science Vol.7 No.2
Background: Most cases of Graves' disease have been treated by antithyroid drugs in Korea. The major drawbacks of antithyroid drugs are the relative high rate of relapse and the inconvinience of long term therapy. Measurement of TBII and TRH stimulation test have been considered as the most reliable tests predicting relapse, but the predictive power is not high enough to use in clinical situation. This study was performed to find good prognostic indicators in Graves' disease patients after the discontinuation of antithyroid drug therapy. Subjects and methods : We restrospectively evaluated 96 patients with Graves' disease who showed normal TRH test at the end of antithyroid drug therapy and were followed for more than one year. Serum T3, T4, T3/T4 ratio, TBII, Anti-TPO Ab and TGAb levels were measured at the time of diagnosis and at the end of therapy. Two to three months after withdrawal of antithyroid medication, serum TSH and free T3 responses to TRH were examined. These parameters were compared between the relapse group and the remission group. Results : Among the 96 patients, 22 patients(22.9%) relapsed(Group Ⅱ) and 74 patients(77.1%) remained in remmision(Group Ⅰ). No significant difference was observed between the relapse and the remission group in clinical parameters, serum T3, T4, TSH, T3/T4 ratio, TBⅡ and Anti-TPO Ab determined before and after treatment. Serum TSH and free T3 levels measured after TRH stimulation were also similar in both groups. Serum TGAb levels determined at the end of treatment were significantly higher in the remission group(p<0.05). Relapse following the discontinuation of therapy occured within 24 months in 72.7% of the relapsed cases. After 24 months, relapse rate was reduced significantly. Conclusion : These results suggest that high serum TGAb levels could be a favorable prognostic indicator for the long term remission of Graves' disease treated with antithyroid drugs, and may suggest that Hashimoto's thyroiditis is combined with Graves' disease in those patients.
손규목,김광호,성태수,김종현,신동주,정지영,배영일 한국식품영양학회 2002 韓國食品營養學會誌 Vol.15 No.2
단감의 기능성 소재 및 기호성이 우수한 부원료로서의 이용 가능성을 확인하기 위하여 단감새옥를 전처리별 즉, 열처리 온도 (25℃, 75℃ 및 95℃) 에서 NaCl (0, 1, 3%) 농도별로 침적 (1, 5분) 하여 동결건조한 시료구를 대상으로 탄닌, 비타민 C, 색도 및 조직감 등을 분석한 결과는 다음과 같다. 탄닌 성분은 열처리 온도, NaCl 농도 및 침적시간이 증가할수록 탄닌함량이 감소하는 경향을 나타내었으며, 특히, 대조구 (420 mg%) 에 비해 95℃에서 1% 및 3% NaCl 농도에 5분간 침적시 각각 228 및 198 mg%로 감소하였다. 비타민 C 함량은 대조구 (122.4 mg%)에 비해 95℃에서 3% NaCl 농도에 5분간 침적시 75.8 mg% 로 감소하였고, 색도는 열처리 온도, NaCl 농도 및 침적시간이 증가할수록 L(명도) 및 b(황색)값이 뚜렷하게 증가한 반면, a(적색도) 값은 감소하였고, ??E 값은 증가하여 처리조건이 가중될수록 색의 변화가 진행됨을 알 수 있었다. 단감껍질과 전처리한 시료 (95℃, 1% NaCl, 5 분)의 flavonol 함량은 껍질에 myricetin(2.0 ㎍/g), quercetin (34. 5 ㎍/g) 및 kaemferol (1.1 ㎍/g) 성분이 검출되었고, 전처리한 시료는 myricetin (9.5 ㎍/g), quercetin (5.5 ㎍/g)이 검출되었다. 조직감은 대조구에 비해 전처리 (95℃, 1% NaCl, 5분) 한 시료에서 부서짐성, 응집성, 점성 및 씹힘성이 우수하였다. 관능검사는 95℃에서 1% NaCl에 5분 및 3% NaCl 농도에 1부간 침지한 시료가 좋은 평가를 받았다. Sweet persimmon were tested in order to identify their use as secondary material which is excellent in function and taste as food. Samples were soaked for 1 and 5 min with NaCl concentration (0, 1 and 3%) at a certain heating temperature (25, 75 and 9r℃), and then tannin, vitamin C, flavonol, color intensity, sensory test and textural properties were analyzed. The results of the analyses were as follows. Tannins were decreased as heating temperature, NaCl concentration and soaking time were increased, especially, that the control was 420 mg% but decreased 228 and 198 mg% at 95℃ (1 and 3% NaCl concentration) for 5 min, soaked in each. Vitamin C content also decreased more in higher temperature and NaCl concentration than control (122.4 mg%). Color intensity showed higher value in L and b than in heating temperature, NaCl concentration and soaked time longer remarkably, but a value decreased. The peel of sweet persimmons was analyzed myricetin (2.0 ㎍/g), quercetin (34.5 ㎍/g) and kaemperaol (1.1 ㎍/g), but in pre-treatment sample ( 95℃, 1% NaCl concentration and 5 min, soaked ) was showed higher myricetin (9.5 ㎍/g) and quercetin (5.5 ㎍/g). Textural properties were good in pre-treatment sample ( 95℃, 1% NaCl concentration and 5 min, soaked) such as brittleness, cohesiveness, gumminess and chewiness. In sensory analysis, the pre-treatment samples (95℃, 1% NaCl concentration and 5 min, soaked and 95℃, 3% NaCl concentration and 1 min, soaked) were showed higher point than others.
WO₃계 NO_(x)센서의 검지 특성과 바인더 첨가 효과
양종인,한상도,김일진,손영목,임한조 경북대학교 센서기술연구소 1997 센서技術學術大會論文集 Vol.8 No.1
The effects of various binderssuch as PVA, silica sol and alumina on the sensing characteristics of TiO_(2) (4 wt. %)-doped WO_(3)-based NO_(x). sensors were investigated. The sensor with PVA (polyvinyl alcohol) binder showed an improved sensitivity (R_(gas)/R_(air)- in NO_(x) 15 ppm = 375), response time and cross-sensitivity (selectivity) for interference gases (CO, SO_(2), CH_(4), C_(3)H_(8)). It could also be operated at a lower consumption power (about 1.6W at 180℃). The sensors with silica sol and alumina binders showed a decreased sensitivity (R_(gas)/R_(air) in NO_(x) 15 ppm = 63 and 31, respectively) for NO_(x) gas sensing, but they showed an improved cross-sensitivity, response and recovery time (1 -2 min. and 1 min., respectively) than the sensor fabricated without binder.