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최두환,구시선,배승훈,박병현,안선호,송주흥 圓光大學校 醫科學硏究所 1996 圓光醫科學 Vol.12 No.2
To elucidate the incidences and the clinical characteristics of glomerular diseases in our hospital, we reviewed the clinical records and histological findings of the 117 cases, which were diagnosed as one of the glomerular disease in renal biospy for about 6 years since 1991. In these 117 cases, 74 cases (63.2 %) fell into primary glomerulonephritis(GN), 18 cases (15.4%) into secondary GN, 2 cases (1.7 %) into end stage kidney, 4 cases (3.4%) into tubulointerstitial disease and the biopsy samples were inadequate for diagnosis in 19 cases. In primary glomerular diseases, most common pathologic diagnosis was IgA nephropathy (36.5 %}, followed by minimal change nephrotic syndrome (29.7%). The incidence of IgA nephropathy would be increased if we had biopsied every asymptomatic urinary abnormality (AUA) patients. Systemic lupus erythematosus (SLE) . hepatitis B accounted for most of secondary GN in our cases. One case of progressive scleroderma was included in this secondary GN. Minimal change nephrotic syndrome (22 cases) was the most common cause of nephrotic syndrome, followed by membranous GN (9 cases) and IgA nephropathy (8 cases). 2 cases of primary amyloidosis were presented with nephrotic syndrome. Nephrotic syndrome as presenting symptom in our IgA nephropathy patients was higher than in other studies, which may be due to indication bias for renal biopsy. We suggest that renal biopsy should be done in adult nephrotic syndrome and in SLE, because various kind of glomerular diseases can develop nephrotic syndrome in adult, renal biopsy can affect the treatment and prognosis in each patients and renal biopsy also determines the extent of renal involvement in SLE on which the treatment depends. In AUA urinary patients, renal biopsy could be reserved for the patients who show declining of GFR or rising of proteinuria. Because IgA nephropathy account for most of AUA. and there is no specific treatment for IgA nephropathy, and renal biopsy in those cases is helpful in ruling out the patients who need no treatment.
원기승,문행자,최경범 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.2
This paper refered to the managerial organization for school physical education. But reports of this type of study have apparently not been published to date. Then in this paper it was indicated that the managerial organization should be discussed from three view points; (1) correlation between the school organization and managerial organization for physical education. (2) contingency theory. (3) motivational approach. The purposes of this paper. therefore, were to clarify the structure of the organizational climate and to analysis the relation between the organizational climate and the effectiveness of managerial organization. The survey was conducted at 7 primary school and 6 junior high school by questionnaire, and the subjects were 312 teachers. The summary of the results were: 1) The organizational climate of a school was consisted of six clements as follow: Maintenance, Cooperation, Task Achievement Job efficiency, Disengagement. Hindrance. These elements were integrated two dimensions that were HUMA-SYSTEM and TECHNICAL-SYSTEM. 2) The correlation between the organizational climate and Integration-Latency function of the managerial organization was significant high. Especially the organizational identification of the managerial organization was significant high. Especially the organizational identification which was one of the effectiveness variables was influenced most strongly by HUMAN and TECHNICAL-SYSTEM dimensions. 3) The positive attitude toward physical education services of teachers created innovation of management for physical education.
오재근,최기영,송재흥,김영국,채건식,주유환,설정식,손인호,차성극,이상찬 慶南大學校 附設 基礎科學硏究所 1996 硏究論文集 Vol.8 No.-
HClO₄(pH:2) 수용액에서 양극산화 방법으로 HgMnTe(HMT)의 표면에 산화막을 형성 시켰다. 산화막의 두께는 SEM으로 측정하였으며 10㎛였다. 전류-전압 특성곡선을 얻어 산화 피크 전압으로부터 HTeO₂?, TeO?, HHgO₂? 막이 형성되었음을 알 수 있었다. 산화시키지 않은 HMT와 HClO₄수용액에서 산화시킨 HMT에 대해 Hall전압 및 자기저항을 각각 측정하였다. 홀전압과 자기저항은 HMT보다 HMT산화막에서 더 컸으며 이것은 HHgO₂? 공격자가 홀의 역할을 하고, TeO₄? 산화막은 전하의 포획도를 낮게하기 때문으로 생각할 수 있다. Anodic oxidation processes on HgMnTe surface has been studied in standard aqueous HClO₄(pH:2) solution. The 10㎛ thickness of the anodic oxide layers was measured by SEM. The Composition of the anodic oxide layers are evaluated from current-voltage(I-V) characteristic of HgMnTe Oxidation. The layers are composed of mixed oxide. ??, TeO₄, and?? in HClO₄solution. Transport properties have been investigated in HMT oxide layer made in HClO₄solution and virgin HMT samples at 300K. Hall voltage and magnetoresistance are greater in oxide layer HMT than virgin HMT. As a result, we know that the vacancy of ??in an anodic oxide layer acts as hole and the resulting oxide ?? layer exhibit a reduced degree of charge trapping and increase magnetoresistance.
정진일,김기영,최돈향,오명규,이승엽,이동진 한국국제농업개발학회 2003 韓國國際農業開發學會誌 Vol.15 No.4
염처리에 따른 무기성분 흡수 및 Proline 축적등을 비교하여 수도의 내염성 품종육성의 기초자료를 얻고자 Annapurna를 대비품종으로 일반계 6품종, 통일계 5품종을 공시하여 얻은 결과는 다음과 같다. 1. 초장, 건물중 및 고사율은 염처리시 감소하였으며, 시간이 경과될수록 감소율이 증가하였다. 2. K/Na비와 건물중 감소율 및 고엽율과는 부의 상관을 보였다. 3.proline 축적은 염농도가 증가함에 따라 증가하였으며 일반계품종들이 통일계품종들보다 축적량이 높았다. 4. Proline 함량과 건물중비율과는 정의 상관을 보였다. In other to find out the basic information on cultivation and breeding for salt tolerance in rice, these studies were conducted in treatment hydroponics added in NaCl using 6 Japonica type varieties and 5 Tongil type varieties compared to the salt tolerance variety, namely Annapurna. The following results were obtained. Plant height, ratio of dry weight and ratio of dead leaf were decreased with increasing periods of salt treatment. Negatively significant correlation was observed between Rario of K/Na were highly negative correlated with the rate of dead leaf and rate of dry weight. The accumulation of proline increased as the salt content higher. The content of proline was positively correlated with the ratio of dry weight after salt treatment.
Choi, Won-Kyoung,El-Gamal, Mohammed I.,Choi, Hong-Seok,Hong, Jun-Hee,Baek, Dae-Jin,Choi, Ki-Hang,Oh, Chang-Hyun Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.9
A series of new diarylureas and diarylamides possessing 1,3,4-triarylpyrazole scaffold was synthesized and their in vitro antiproliferative activities against A375P human melanoma cell line and NCI-60 cell line panel were tested. Compounds 9, 11, 12, 14, and 17-21 showed superior potency against A375P to Sorafenib. Over the NCI-60 cancer cell line panel, compound 14 possessing a methoxy group, amide linker, and 4-chloro-3-(trifluoromethyl)phenyl terminal ring showed the highest potency and broad-spectrum anticancer activity. Compound 13 showed high selectivity towards leukemia subpanel over other cancer types.
Choi, Hang Suk,Choi, Hyun Gon,Kim, Soon Heum,Park, Hyung Jun,Shin, Dong Hyeok,Jo, Dong In,Kim, Cheol Keun,Uhm, Ki Il Korean Society of Plastic and Reconstructive Surge 2012 Archives of Plastic Surgery Vol.39 No.5
Background The bone graft for the alveolar cleft has been accepted as one of the essential treatments for cleft lip patients. Precise preoperative measurement of the architecture and size of the bone defect in alveolar cleft has been considered helpful for increasing the success rate of bone grafting because those features may vary with the cleft type. Recently, some studies have reported on the usefulness of three-dimensional (3D) computed tomography (CT) assessment of alveolar bone defect; however, no study on the possible implication of the cleft type on the difference between the presumed and actual value has been conducted yet. We aimed to evaluate the clinical predictability of such measurement using 3D CT assessment according to the cleft type. Methods The study consisted of 47 pediatric patients. The subjects were divided according to the cleft type. CT was performed before the graft operation and assessed using image analysis software. The statistical significance of the difference between the preoperative estimation and intraoperative measurement was analyzed. Results The difference between the preoperative and intraoperative values were $-0.1{\pm}0.3cm^3$ (P=0.084). There was no significant intergroup difference, but the groups with a cleft palate showed a significant difference of $-0.2{\pm}0.3cm^3$ (P<0.05). Conclusions Assessment of the alveolar cleft volume using 3D CT scan data and image analysis software can help in selecting the optimal graft procedure and extracting the correct volume of cancellous bone for grafting. Considering the cleft type, it would be helpful to extract an additional volume of $0.2cm^3$ in the presence of a cleft palate.
안전성약리시험의 Good Laboratory Practice 평가기술연구
최기환(Ki Hwan Choi),박기숙(Ki Sook Park),이윤희(Yun Hee Lee),나한광(Hang-Kwang Na),윤재석(Jae Suk Yun),김동섭(Dong-Sup Kim),김주일(Joo-Il Kim) 한국독성학회 2006 Toxicological Research Vol.22 No.2
Safety pharmacology studies are conducted to investigated the potential undesirable pharmacodynamic effects of a substance on physiological functions in relation to exposure in the therapeutic range and above. In the International Conference on Harmonisation (ICH), the guideline “S7A : Safety Pharmacology Studies for Human Pharmaceuticals” has been developed and reached Step 5 of the ICH process in 2001. Now the Korea Food and Drug Administration (KFDA) are going to transfer “The Guideline for General Pharmacology” into “The Guideline for Safety Pharmacology”. Safety pharmacology studies should be performed in compliance with Good Laboratory Practice (GLP). Thus, the present paper reviews the Japanese GLP guidelines for pharmaceuticals to help the conduct and inspection of safety pharmacology studies in compliance with GLP. We also reviewed the ICH guidelines “S7B revised : The Nonclinical Evaluation of the Potential for Delayed Ventricular Repolarization (QT Interval Prolongation) by Human Pharmaceuticals” and “E14 : The Clinical Evaluation of QT/QTc Interval Prolongation and Proarrhythmic Potential for Non-antiarrhythmic Drugs” to apply our drug approval systems.