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Linear Accelerator를 이용한 Stereotactic Radiosurgery
정상섭,윤도흠,오성훈,김선호,서창옥,추성실,노준규,김동익,서정호 대한신경외과학회 1988 Journal of Korean neurosurgical society Vol.17 No.6
A Modified irradiation technique utilizing a linear accelerator for radiation surgery within the brain was performed in 4 patients. Three of them had brain tumors and one small arteriovenous malformation in midbrain. A Hitchcock stereotactic apparatus and a 10 MeV linear accelerator have been adapted and special computer programs for dosimetry were obtained and studied experimentally with a phantom model. Stereotactic radiosurgery is a valuable tool in the treatment of inoperable, deep seated intracranial lesions, the major advantage being high efficacy and smoothness of the procedure, as well as short hospitalization times.
李基寧,吳鎭燮,成樂應,洪思岳,金楨鎭 서울대학교 1964 서울대학교 論文集 Vol.15 No.-
Chickens fed under the same conditions were divided 4 groups (each group 20 hens), One group (D) was used as control (only standard diet) Other three groups (A.B.C) were given every day standard diet with ginseng extract (small, medium and large doses as part Ⅰ) After 140 days each group(6-12 hens) were irradiated with ??-Ray(900r) (whole body) and determined the contents of tissue(liver, intestine) lipid (cholesterol, phospholipid, triglyceride) and serum lipid after 24 hrs. The results obtained are as follows: 1. The contents of total cholesterol and phospholipid of liver, intestine and serum showed no significant difference between each groups. 2. The contents of triglyceride of liver, intestine and serum increased in the irradiated group, because the increased rate of group A.B.C was smaller than group E. 3. The effects of ginseng extract on lipid contents of irradiated chickens showed some difference by administered doses of ginseng.
박경원,이설아,오인환,남석우,하홍용,임태훈,홍성안,성영은 한국공업화학회 1999 응용화학 Vol.3 No.2
Direct methanol fuel cell (DMFC) needs better anode electrocatalysts than Pt, which suffers from self CO poisoning phenomena. The improved oxidation kinetics enabled by Pt promoters such as Ru, Sn, Mo, W or Os has been attributed to a bifunctional and/or an electronic effect. The alloy electrode materials were prepared by reduction and colloidal methods. It was generally proved that binary system such as those based on Pt, these components are much more active in promoting DMFC reactions than pure platinum catalysts. The oxidation onset on pure Pt was 0.45 V and the potentials decreased with alloying. Pt-Ru showed the lowest onset potential. However, chronoamperometry provided high stability at Pt-Mo on CO poisoning, which shows a promising candidate as DMFC anode material. The strategy of ternary or quaternary electrocatalysts, the effects of synthesis and particle sizes will be discussed.
김근수,추고연,김태환,성재석,이용택,오숭호,이민수,최호상 한국공업화학회 2003 응용화학 Vol.7 No.1
Zeolite membrane was produced by hydrothermal synthesis on α ̄alumina substrate using clear solution method. Zeolite membrane can separate liquid phase reactants like a water/mehtanol system. The compogition ratio of raw materials. 90 Na_2O : 1 Al_2O_3 : 9 SiO_2 : 5760 H_2O was used for preparation of zeolite membrane. The deposition states of zeolite crystal on alumina substrate by change of aging time were analysed through XRD and SEM.
Park, Jung-Eun,Kim, Sang-Mi,Oh, Jong-K.,Kim, Jin-Y.,Yoon, Sung-Soo,Lee, Dong-Soon,Kim, Young-Soo Korean Society for Biochemistry and Molecular Biol 2005 Journal of biochemistry and molecular biology Vol.38 No.6
Resistance to imatinib mesylate (also known as Gleevec, Glivec, and STI571) often becomes a barrier to the treatment of chronic myelogenous leukemia (CML). In order to identify markers of the action of imatinib mesylate, we used a mass spectrometry approach to compare protein expression profiles in human leukemia cells (K562) and in imatinib mesylate-resistant human leukemia cells (K562-R) in the presence and absence of imatinib mesylate. We identified 118 differentially regulated proteins in these two leukemia cell-lines, with and without a $1\;{\mu}M$ imatinib mesylate challenge. Nine proteins of unknown function were discovered. This is the first comprehensive report regarding differential protein expression in imatinib mesylate-treated CML cells.
박주성,강희곤,오준세,이규희,성창근,김성애,오만진 충남대학교 환경문제연구소 2000 環境硏究 Vol.18 No.-
The removal rates of pesticide residues on agricultural products by washing with tap water, washing with detergent, heating and dipping with ozonized water were analyzed. The removal rates of organophosphorous pesticide residues on perilla leaves and Korean cabbage were shown as 25.7-71.9% level by washing with tap water and 72.4%-82.0% level by washing with detergent. However, those on Angelica keiskei were shown as 44.6-64.7% level by washing with tap water and 72.4-82.0% by washing with detergent. Those on perilla leaves and Korean cabbage were shown as 61.1%-91.1% and 74.8-95.4% levels by heating, respectively. Also, the removal rates of organochlorine pesticide residues on perilla leaves and Aster scaber were shown as 55.6-66.3% level by washing with tap water, 85.8-93.0% level by washing with detergent and 54.1-63.6% level by heating. Therefore, the organochlorine pesticide residues was shown the highest removal rate by washing with detergent and not significance between washing with tap water and heating. When the grape was processed as jam, the removal rates of organophosphorous pesticide residues were shown as below 50% level and those of organochlorine were shown as 22.3-60.2% level with difference according to variety of pesticides. Also, the decomposition effects of pesticides by dipping in ozonized water were analyzed. The various solvents were tested for the most effective recovery of pesticides on agricultural products. The benzene contained 20% dichloromethane was shown the most effective recovery rate for organophosphorous pesticides as 105.4-113.8% level. Hexan was the most effective for organochlorine as 67.7-91.3% level. As the result by dipping with ozonized water, the changes of pesticide content levels according to dipping and dipping time in ozonized water were not shown significance.
이면우,유한정,김상두,오세관 한국경영과학회 1989 한국경영과학회 학술대회논문집 Vol.- No.1
The purpose of this study was to demonstrate and to validate feasibility of the earlier proposal on ergonomic approach for High-Touch product development, which was published in IE Interface (April, 1988). Based on the proposed methods, six new High Touch products were developed. Expert opinions and consumer monitoring results, which was carried out in the United States, showed that these High Touch products would be highly regarded in the world market. It is recommended that the proposed efforts could provide a prosperous niche market for Korean industry in the High Tech-High Touch Era.