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아령상 설하신경초종의 성공적 수술치험 : 증례보고 및 문헌고찰 Case Report and One-stage Operation
김상열,손은익,이장철,김동원,임만빈,김인홍 대한신경외과학회 1993 Journal of Korean neurosurgical society Vol.22 No.3
A case of dumbbell-shaped hypoglossal neurinoma is reported. Neurinomas of the hypoglossal nerve are very rare, only 35 cases reported. Of these cases most are intracranial and only 7 were dumbbell-shaped with both intracranial and extracranial components. The clinical feature of the patient was marked ipsilateral atrophy of the tongue. Magnetic resonance imaging should be included in the examination of tumors, and great aids in planning the radical removal of the tumor. In this one-stage operation which was modified lateral inferior suboccipital craniectomy, the most important aspect was removal of the posterior wall of anterior condylar canal and lateral mass of C1. This approach requires a thorough understanding of microsurgical anatomy of the region of foramen magnum. Patient' s postoperative course was uneventful. The literatures concerning this lesion were reviewed
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고혈압성 뇌실질내 혈종치료에서 고용량 Urokinase관주법
김상열,임만빈,김원기,이장철,손은익,김동원,김인홍 대한신경외과학회 1993 Journal of Korean neurosurgical society Vol.22 No.5
It is well known that stereotaxic urokinase(UK) irrigation through a catheter is one of surgical methods in the management of hypertensive intracerebral hematoma(ICH) patients. Several authors recommended irrigation with 6000 IU UK, 4 times per a day. Based on authors' experience some patients who were managed with above protocol suffered from complications such as meningitis and/or pneumonia. It might be partially caused by prolonged duration of irrigation and immobilization of the patients. In order to reduce complications and to improve the final outcome of hypertensive ICH patients we tried high dose UK irrigation(group Ⅱ irrigation with 50㎖ of normal saline mixed with 200,000 IU UK at immediate postoperative period, followed by two times of 20,000 IU UK irrigation per a day) to remove the ICH rapidly in those patients since Oct 1991. We compared the rate of decreasing volume of hematoma. Glasgow coma scale(GCS) score change according to postoperative period final outcome, and the rate of complications between this group(group Ⅱ) and group Ⅰ(4 times irrigation with 6,000 IU UK per a day). The result shows that the rate of decreasing volume of hematoma is slightly more rapid in group Ⅱ than group Ⅰ. The rate of poor outcome(vegetative and death) is lower in group Ⅱ than Ⅰ(group Ⅰ vs. Ⅱ 34% vs. 20% respectively). The rate of complication is lower in group Ⅱ than Ⅰ(group Ⅰ vs. Ⅱ : 38.5 '% vs. 20.0 46, respectively). One case(5 % of postoperative rebleeding was noted in group Ⅱ. From this study, we concluded that even if the beneficial effects are small, the high dose UK irrigation is one of protocols in the management of hypertensive ICH patients.
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氣泡塔內에서 竝流 물-알코올-無機酸 溶液中의 가스홀드엎에 관한 硏究
金相烈,李成植 동아대학교 공과대학 부설 한국자원개발연구소 1983 硏究報告 Vol.7 No.1
We have studied gas holdup according to gas velocity, liquid velocity, and properties of solution such as surface tension, viscosity, activity coefficient and density in cocurrent bubble column. The results are as follows; 1. As liquid velocity increases under the large gas velocity, gas holdup decreases to some degree but at slow gas velocity it is not nearly affected. 2. If surface tension of solution grows, gas hold up drops. This phenomena was remarkably appeared in three components mixture solutions of water-methanol-inorganic acid. 3. Gas holdup with a increase of viscosity of solutions rises gradually in 3 solutions of water-ethanol-inorganic acid, but in case of solutions of water-methanol-inorganic acid it grows in the range of the small value and reduces rather in the large value. 4. The correlation among the gas holdup and physical parameters was formulated from experimental data as follows; φ=k(DU_(G)ρ_(G)/μ_(G))ⁿ (σ/g^(½)μ_(L)δ^(½)ε) K and n are the same as Table 1.
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金相烈 대구효성가톨릭대학교 1972 연구논문집 Vol.10 No.1
Penicillium屬 菌株로부터 Acid protease를 强力하게 生成하는 菌株 A-43을 分離하여 이 菌의 wheat bran culture에 依한 培養物의 saturated ammonium sulfate로서 ?析 및 3日間의 dialysis를 하여 얻은 粗精製 酵素의 基本的 性質을 檢討하여 다음과 같은 結果를 얻었다. 1) 最適活性 pH가 2.6~3.0이었다. 2) 最適活性 溫度가 50℃이 였으며 3) 安定 pH範圍가 2~6에 位置하였으며 4) 40℃에서 3時間 經過하여싸을 때 겨우 30%程度의 失活이 認知되었으며 그 以上 溫度에서는 多少 急擊히 熱 依한 失活이 일어났다. 5) 金屬?類 즉, Ca++, Zn++, Mg++, Hg++, MN++, Pb++, Li+, Cu++, Cu++, Ba++, Ag+, Al++, Cd, ++Fe++, Fe+에 依하여 酵素活性에 거의 영향을 미치지 않았다. 6) EDTA에 依하여도 아무런 영향을 받지 않았다. The acid protease was isolated from the cultural material of the penicillium sp. on the wheat bran media. The crude purification of this enzyme was extracted with distilled water and precipitated with saturated ammonium sulfates. The activity of this enzyme was determined very strong by Folin's colorimetric method. The results were as follows. 1. The optimum pH of this enzyme was between pH 2.6 to 3.0 and its optimum temperature was 50℃. 2. The pH stability gives ranging from pH 2 to 6. 3. The activity of this enzyme was inactivated strongly by heat treatment of higher temp. than 40℃ but, it was inactivated about 30% by treatment for 3 hours at 40℃. 4. This enzyme activity was not effected by metal ions; Ca, ++ Zn, ++Co++, Hg, ++Mn++, Pb, ++Mg, ++ Li, + Cu++, Ba++, Ag, + al, +++ Cd, ++ Fe, ++ and Fe+++. 5. Also, it was not effected by treatment of EDTA.
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NaCl-KCl 혼합 수용액에서의 기체체류량과 물질전달계수에 관한 연구
金相烈,朴東源,崔載旭,韓相玉 동아대학교 공과대학 부설 한국자원개발연구소 1990 硏究報告 Vol.14 No.2
Gas Holdup and mass transfer coefficient were measured and the effect of activity coefficeent and gas velocity on them was studied. Gas holdup increased as the gas velocity increased, and decreased as the concentration of aqueous solutions of NaCl-KCl increased Mass transfer coefficient increased as the gas velocity increased, and decreased as the concentration of aqueous solutions if NaCl-KCl increased. Correlation equation between the gas holdup and mass transfer coefficient, and the various factors is shows a good agreement with experimental values.
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n-Hexylamine Aniline과 Carbamide와의 反應에 關한 硏究
金相烈 대구 효성가톨릭대학교 1968 연구논문집 Vol.1968 No.3
This experiment investigated the reaction of aliphatic primary amines and aromatic primary amines on carbamide under certain conditions and the formation of these derivatives was also studied. Furthermore, the difference of reactivity between aliphatic primary amines and aromatic primary amines was also studied by employing n-hexylamine and aniline that possess the same carbon atoms.
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