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이민수,김용구,김영훈,연병길,오병훈,윤도준,윤진상,이철,정희연,강병조,김광수,김동언,김명정,김상훈,김희철,나철,노승호,민경준,박기창,박두병,백기청,백인호,손봉기,손진욱,양병환,양창국,우행원,이정호,이종범,이홍식,임기영,전태연,정영조,정영철,정인과,정인원,지익성,채정호,한상익,한선호,한진희,서광윤 大韓神經精神醫學會 1998 신경정신의학 Vol.37 No.1
연구목적 : 본 시험의 목적은 임상시험 시작전에 연구자들을 대상으로 PANSS Workshop을 통하여 PANSS, ESRS에 대한 국내에서의 표준화 작업을 구축하고 새로운 정신병 치료제인 리스페리돈의 효과와 안정성을 재확인하여 리스페리돈 사용에 대한 적정화를 이루는데 있다. 연구방법 : 1996년 4월부터 1996년 9월까지 국내 39개 대학병원 정신과에 입원중인 혹은 증상이 악화되어 입원하는 정신분열병 환자 377명을 대상으로 다시설 개방 연구를 시행하였다. 1주일간의 약물 배설기간을 가진후, 리스페리돈을 8주간 투여하였고, 기준점, 1주, 2주, 4주, 그리고 8주후에 평가되었다. 용량은 제1일에는 리스페리돈 1mg씩 1일 2회, 제2일에는 2mg씩 1일 2회, 제3∼7일에는 3mg씩 1일 2회 투여하였다. 이후 환자의 임상상태에 따라 임의로 증량할 수 있으며, 최대 일일 16mg을 초과하지 않도록 하였다. 추체외로 증상을 조절하기 위한 투약을 허용하였다. 임상증상 및 부작용의 평가는 PANSS(Positive and Negative Syndrome Scale), CGI(Clinical Global Impression) 그리고 ESRS(Extrapyramidal Symptom Rating Scale)을 사용하였다. 연구결과 : 377명중 343명(91%)이 8주간의 연구를 완결하였다. 치료 종결시점인 8주후 PANSS 총점수가 20% 이상 호전된 경우를 약물 반응군으로 정의할때, 약물반응군은 81.3%였다. 리스페리돈에 반응하는 예측인자로는 발병연령, 이전의 입원 횟수, 유병기간이 관련 있었다. 리스페리돈은 1주후부터 PANSS양성, 음성, 및 일반정신병리 점수상에 유의한 호전을 보여 효과가 빨랐다. CGI의 경우도 기준점에 비해 1주후부터 유의한 감소를 나타내었다. ESRS의 경우, 파킨슨 평가점수는 기준점과 비교해 투여 1주, 2주, 4주후 유의하게 증가되었다가 8주후 기준점과 차이가 없었다. Dystonia 평가점수는 1주후만 유의한 증가를 보였으며, dyskinesia 평가점수는 유의한 차이가 없었다. 혈압, 맥박수의 생명징후 및 일반 혈액학 검사, 생화학적 검사, 심전도 검사에서 유의한 변화는 없었다. 결 론 : 이상의 다시설 개방 임상 연구를 통해 리스페리돈은 정신분열병 환자에서 양성증상뿐만 아니라 음성증상 및 전반적인 증상에도 효과적인 것으로 사료된다. 보다 명확한 평가를 위해서는 다른 항정신병약물과의 이중맹검 연구가 필요할 것으로 생각되며, 또한 장기적 치료에 대한 평가도 함께 이루어져야 하겠다. Objective : The purpose of this study was to investigate the efficacy and safety of risperidone in the treatment of Korean schizophrenic patients. Method : This multicenter open study included 377 schizophrenic patients drawn from 39 university hospitals. After a wash-out period of 1 week, the schizophrenic patients were treated with risperidone for 8 weeks and evaluated at 5 points ; at baseline, and 1, 2, 4 and 8 weeks of treatment. The dose was increased from 2mg/day(1mg twice daily) to 6mg/day(3mg twice daily) during the first week and adjusted to a maximum of 16mg/day over the next 7 weeks according to the patient's clinical response. Medication to control extrapyramidal symptoms was permitted. The psychiatric and neurological status of the patients was assessed by PANSS, CGI, and ESRS scales. Results : 343(91%) of 377 patients completed the 8-week trial period. Clinical improvement, as defined by a 20% or more reduction in total PANSS score at end point, was shown by 81.3% of patients. The predictors of response to risperidone were associated older age, shorter duration of illness, fewer previous hospitalization. Risperidone had rapid onset of action ; a significant decrease of the total PANSS and three PANSS factor(positive, negative, general), and CGI was already noticed at the end of first week. For the ESRS, parkinsonism rating scores were significantly increased until week 4 comparing with baseline. Dystonia rating scores were significantly increased until week 1, and dyskinesia rating scores were not significantly changed during the study. Laboratory parameters including vital sign, EKG, hematological, and biochemical values showed no significant changes during the trial. Conclusions : This study suggests that risperidone is generally safe and effective against both the positive and negative symptoms in our group of patients.
제주지역 만성 B형 간질환 환자에서 임상 양상에 따른 HBV 유전자형의 분포
송병철,김범준,정주영,염충호,이대호,김진석 제주대학교 생명과학연구소 2003 제주생명과학연구 Vol.6 No.1
Background/Aims: The genotype of HBV has been suggested to correlate with the clinical outcome of HBV infection. We analyzed the distribution of HBV genotype according to the clinical outcome of HBV infection in Jeju island. Methods: A total of 145 HBsAg-positive samples were enrolled. To identify specific patterns of HBV genotypes, we performed restriction fragment length polymorphism (RFLP). If typical restriction pattern of RFLP was not determined, phylogenetic analysis was performed. Results: RFLP analysis was possible in 65 patients. Clinical diagnoses of the 65 patients with chronic liver disease were as follows: HBeAg-positive healthy carrier (HBeAg+, anti-HBe-, HBV DNA+, transaminase normal: n=20): HBeAg seroconversion (n=12): chronic hepatitis B (n=14): liver cirrhosis (n=9): hepatocellular carcinoma (n = I0). Sixty-two patients showed typical restriction pattern by HinfI. However, 3 patients showed unique restriction pattern by HinfI, which were not reported in literature. When phylogenetic analysis was performed to classify the genotype of these 3 patients, they were also genotype C. Whereas, all patients showed typical restriction patterns by Tsp509l, which were reported in genotype C. Conclusion: All chronic HBV infection are genotype C in Jeju island regardless of clinical outcome.
오병수,김경숙,주설,강준원 한국물환경학회 2004 한국물환경학회지 Vol.20 No.3
This study investigated the micropollutants present in raw water supplied for the several drinking water treatment plants in Seoul. The target sample waters were collected from the several sites, such as Jayang (JY), Kuui (KI), Paldang (PD) and Kangbuk (KB) at the Han-River stream. The analytical method used in this study enable us to detect about 300 kinds of chemicals commonly found in surface water at ppt level by GC-ion trap MS. In this study, the consideration on the analytic results focused on the four hazardous organics, such as benzenes, phenols, phthalates and pesticides. The numbers of each detected micropollutant were 1~8 kinds for benzenes, 1~7 kinds for phenols, 5~7 kinds for phthalates and 1~9 kinds for pesticides. For the pesticides, the higher concentration was detected in the water samples collected from PD and KB adjacent to the farming area, and at June and July, which is the busy farming season. The total concentrations of each micropollutants detected at all the sites were significantly lower than those of drinking water regulation in Korea as well as other advanced countries. However, the frequently detected micropollutants requires the steady and precise monitoring for the effective management of drinking water source.
河秉俊 慶熙大學校 材料科學技術硏究所 1990 材料科學技術硏究論集 Vol.3 No.-
By calculating the renormalized dynamical susceptibility and the renormalized free energy self-consistently, one expect to explain the real T_(c) and the experimental facts of weakly ferromagnetic metals in reasonbly wide temperature range.
固定化 微生物을 이용한 難分解性 有害化學物質의 分解 除去
李秉學,林洛俊,尹盛都 단국대학교 1994 論文集 Vol.28 No.-
Degradation and removal of poisonous materials by immobilized microorganism was investigated. Microorganism which was isolated from activated sludge by enrichment culture method was adsorbed on activated carbon and then entrapped with alginate. Optimum immobilizing condition was determined by means of batch culture method. Packed bed bioreactor was used for continuous treatment of various phenol waste water. From the results the following phenomena were obtained. 1. Immobilized biocatalyst which shown best degradation rate and stabilization was prepared with 2% activated carbon and 1% microorganism. 2. As transient inflow in the packed bed bioreactor, in order to the highest degradation efficiency, it preper to use calcium alginate bead. 3. Degradation efficiency of phenolic waste water by composite immobilized biocatalyst (activated carbon-alginate) was influenced by quantity of microorganism and an increment of adsorptivity of activated carbon entrapped in the immobilized biocatalyst. 4. The optimum degradation condition of phenolic waste water which was determined to the mineral salts as nitrogen source and 1.5% glucose was contained at 30℃.
平均流와 線形 溫度勾配의 影響을 고려한 4-端子 定數들의 考察
李焌瑞,兪炳玖,車京玉,朴鎭庸 明知大學校 産業技術硏究所 1995 産業技術硏究所論文集 Vol.14 No.-
From a knowledge of the source impedence, the radiation impedence to the atmosphere and the four-pole parameters of all the sections of a silencer, it is possible to determine the transmission loss of the silencer. Since the gas in exhaust system of engine is flowing with high temperature we have to consider mean flow and temperature gradient effects to obtain accurate results. In this paper we will compare four-pole parameters with mean flow and linear temperature gradient effects with several other simpler cases already in the literature and then evaluate the availability of these in exhaust system.