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Effects of Phenytoin and Diazepam on the Seizure Activity in the Cortical Dysplasia Animal Models
Kim, Si-Hyung,Choi, In-Sun,Cho, Jin-Hwa,Park, Eun-Ju,Jang, Il-Sung,Choi, Byung-Ju,Kim, Hyun-Jung,Kim, Young-Jin,Nam, Soon-Hyeun The Korean Academy of Oral Biology 2006 International Journal of Oral Biology Vol.31 No.2
Dysplasia-associated seizure disorders are markedly resistant to pharmacological intervention. Relatively little research has been conducted studying the effects of antiepileptic drugs(AEDs) on seizure activity in a rat model of dysplasia. We have used rats exposed to methylazoxymethanol acetate(MAM) in utero, an animal model featuring nodular heterotopia, to investigate the effects of AEDs in the dysplastic brain. Pilocarpine was used to induce acute seizure in MAM-exposed and age-matched vehicle-injucted control animals. Field potential recordings were used to monitor amplitude and numbers population spikes, and paired pulse inhibition in response to stimulation of commissural pathway. Two commonly used AEDs were tested: diazepam 5, 2.5mg/kg;phenytoin 40, 60mg/kg. Diazepam(DZP) and phenytoin(PHT) reduced the amplitude of population spike in control and MAM-exposed rats. However, the amplitude of population spike was nearly eliminated in control rats as compared to the MAM-exposed rats. Pharmaco-resistance was tested by measuring seizure latencies in awake rats after pilocarpine administration(320mg/kg, i.p.) with and without pretreatment with AEDs. Pre-treatment with PHT 60 mg prolonged seizure latency in control rats, but not in MAM-exposed animals. The main findings of this study are that acute seizures initiated in MAM-exposed rats are relatively resistant to standard AEDs assessed in vivo. These data suggest that animal model with cortical dysplasia can be used to screen the effects of potential AEDs.
KS-62 균주에 의한 펄프 표백 폐액처리에 관한 연구
조준형,은주영 江原大學校 附設 環境硏究所 2000 環境硏究 Vol.17 No.-
High colored Kraft bleaching effluent is one of the main constrains in pulp and paper indus-try due to its dissloved lignin derivatives. The degradation of lignin in pulp and paper mill effluent is mainly caused by white-rot fungi. This paper showed that the treatment with KS-62 fungus significantly reduced the color and chemical oxygen demand in the effluent. The amounts of Mn ions in the wastewater would play roles in the induction and activity of MnP (managanese peroxidase). Extracellular MnP was isolated from the fungus KS-62. The treat-ment with the MnP had the most effective decolorization in the wastewater treatment using nutrients medium.
Clostridium difficile 장염에 의한 속발성 유전분증에서 발현된 독성 장염
조형원,정혜경,강현주,이윤표,강혜원,심기남,정성애 Ewha Womans University School of Medicine 2014 EMJ (Ewha medical journal) Vol.37 No.1
Amyloidosis is characterized by extracellular deposition of protein fibrils in one or multiple organs. AA amyloidosis is secondarily occurred to be related with chronic infections or inflammatory diseases. We report a 67-year-old man suffered from secondary AA amyloidosis related with chronic Clostridium difficile colitis after repeated total hip replacement surgery. Infection control is the most important treatment of AA amyloidosis secondary to chronic infection. However, the patient’s C. difficile colitis was not controlled well, eventually toxic megacolon with sepsis was developed. Consequently, he had to take total colectomy, but he expired with multi-organ failures. We suggested that early surgical procedure might be one option for intractable C. difficile colitis complicated with secondary amyloidosis.
조순자,정용주,이나은,이정은,손형식,이상준 부산대학교 환경문제연구소 2003 環境硏究報 Vol.21 No.-
Using acclimated sludge with inorganic nitrogen medium for three months and non-acclimated sludge, raw sludge, under aerobic condition we investigated characteristics biological nitrogen removal. As results, e acclimated sludge under aerobic condition accomplished nitrification efficiently. But the samples from the reactor operated raw sludge had higher ammonium concentration rather than the concentration which was loaded by the medium. This means when we are trying to reorganize existing facilities, we should take high initial ammonium concentration into account.
차왕주,조성의,고형대 木浦大學校 情報産業硏究所 1999 情報産業硏究誌 Vol.7 No.-
School informative project of a part of the educational information intensive society is by using the information technical application works, so to uplift on information intensive society and contribute to diffusion of opening education, and than to promote the information intensive society. Online world in all classrooms connect the computer network, this is the ultimate object for to push the school informative project. In this paper. We analyze the actual conditions of school informative project to be thought the main fact to perform the educational information and then to arrange the notion of theory about the school informative project, as to develop an improving program, and normalization, efficiency, and activity of the educational information project, at last give the aim to develop the balanced educational information.
오명성,조현주,이현택,나정화 경북대학교 농업과학기술연구소 2008 慶北大農學誌 Vol.26 No.-
This research is significant in terms of estimating the validity by setting evaluation items in view of integrating not only original beauty and visual areas but also natural ecological areas based on questionnaire. The results are as follows. 1) According to literature study, 17 items such as variety, the character of sites in terms of landscape, the beauty of landscape, visibility, and ratio of green visibility are selected. Also, 21 items such as variety of animals and plants species, size of green area, and ecological naturalness are selected m the area of landscape ecological resources. 2) As a result of questionnaire of the group of landscape experts, animals and plants ecological areas show 5.6341, the highest in importance analysis according to assessment areas. Also, as a result of importance analysis on items in each area, for example, in the area of visual resources, the item of skyline analysis is 6.0488, the highest. 3) As a result of corelation of item meaning on landscape effect assesment, for example, meaningness of psychological assessment item and landscape site item indicate 0.710, the highest coefficient correlation. 4) As critical assessment items per unit project, items such as damage minimization of original land features for project in terms of point, ratio of green visibility, variety of animals and plants species marked above 8.0 as high important medium. The project in terms of line, minimization of original land features, Preservation of worthy biotope showed high point and the character of sites in terms of landscape, minimization of original land features, the size of green area, and analysis of skyline marked above 8.5 as high importance points. On the contrary, items for climate and soil showed relatively low points.
변유량,최홍식,조형용,권윤중,김주봉 연세대학교 산업기술연구소 1984 논문집 Vol.16 No.1
The vertical column batch dryer which is suitable to Korean farm was constructed and dryer performance was investigated through field test. The effect of a drying air temperature and an airflow rate on the drying rate was studied, and an empirical drying equation was established. The average drying rate of paddy were 1.6-1.8%/hr at the air temperature of 43℃ and the airflow rates of 19.4 - 24.5 CFM/ft². The differences of grain moisture content between the inner and outer layer of vertical paddy bed were 0.5 - 0.9% The effect of a drying air temperature was larger at high airflow rate. At constant temperature, the drying rate was increased as an airflow rate was increased. The empirical drying equation could be expressed as followed: ??=0.9exp(??) Where K=3.22×?? The average whitening ratio of brown rice which was dried with column batch dryer was higher 0.6% than that of sun dried rice.
虹彩 體質 分析에서 心腎結合組織의 虛弱 體質과 高血壓 家族歷과 관련성 硏究
金鐘牛,黃祐準,琴坰樹,李始炯,李宗淳,都金錄,趙在運,趙州掌,金鐘煜 한국전통의학연구소 2002 한국전통의학지 Vol.12 No.1
Iridology, developed more than 100 years ago, is the diagnosis of medical conditions through noting irregularities of the pigmentation in the iris The purpose of this study is to compare interrelation between CVA, hypertension family history and cardio-renal connective tissue in Iris Constitution through iris constitution examination. The subjects consist of 114 patients who were examined in Iris Constitution at Chonju Oriental Medicine Hospital attached to Wonkwang Univ. from September. 1St. 2000 to August. 31th. 2002. 1. In the distribution of Iris Constitution, among of 79cases, There are neurogenic type 13cases, abdominal connective tissue weakness constitution 31 cases, cardio-renal connective tissue weakness constitution 6 cases, cholesterol 7 cases and others 22 case in control group. 2. There are familial history of CVA and hypertention 32 cases, no familial history of CVA and hypertention1 3 cases, in 35cases of experimental group. These results imply that there is meaningfulness of interrelation between cardio-renal connective tissue weakness constitution and. CVA, hypertention.