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金根永,강희진 강남대학교 산학기술연구소 2001 산학기술연구소논문집 Vol.- No.11
Population is an important socio-economic index that explains levels of urban development, current conditions of residential environments, locations of public and private facilities, and socio-economic activities of residents in a city or region. The Seoul city region with over ten million residential population(over 20% share of national population) within an area of 605.5km2(only 0.6% share of national area) has recently experienced the dynamic migration of city residents from central districts to suburb areas at the peak of 10.97 million population in the year of 1992. The objectives of this research are: (1) to investigate the dynamic patterns of Seoul residential population that is already declining with respect to five regional groups of central, northwest, northeast, southeast, and southwest regions provided by 『2011 Seoul City Regional Plan』, (2) to evaluate annual population changes of Seoul jurisdictional Dongs using statistical analyses, and (3) the spatial distributions of Seoul population using a geographic information system. To do this, this research collects annual, Dong-based population data from Seoul statistical yearbooks from the year of 1979 to 1999. This research also applied correlation analysis, hypothesis testing of two non-independent paired data, and spatial analysis using SAS v. 6.12 and Mapinfo v. 4.1. Results from general pattern investigation show that the population of Seoul region is declining since the year of 1992, though the population of the Seoul metropolitan region still increases. This declining population is not the spatial case in one area, but the widely observed, fundamental trend. Results from statistical analyses present that all of correlation analyses and most of hypothesis testing provided significant test outcomes within the 99% significance level. This means that the population number of Seoul city is dramatically changing during most of the study period. The spatial analyses using Mapinfo software clearly show the suburbanization pattern of Seoul population.
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송승찬,신진호,강석우,박경남,최호순,박근태,문희식,기춘석,이성희,윤병철,노우균,조균석,이민호 大韓應急醫學會 1998 대한응급의학회지 Vol.9 No.3
Tetrodotoxin is a neurotoxin produced by about 90 species of puffer fish and causes paralysis of central nervous system and peripheral nerves by blocking the movement of all monovalent cation. Ingestion of tetrodotoxin produces clinical manifestations such as paresthesias(within 10-45 min), vomiting, lightheadedness, salivation, muscle twitching, dysphagia, difficulty in speaking, convulsion and death that expressed by cardiopulmonary arrest with loss of brain stem reflex sometimes. Tetrodotoxin prevents or delays ischemia induced neuronal death by way of following 3 mechanisms. Firstly, it reduces the energy demand of the brain tissues. Secondly, it delays or even prevents anoxic depolarization. Finally, it deminishes ischemia induced cell swelling and cerebral edema. We report a case of puffer fish poisoning which presented with cardiopulmonary arrest and loss of brain stem reflex, but completely recovered by aggressive cardiopulmonary resuscitation.
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마쇄고추를 첨가한 김치의 이화학적 성분 변화 및 관능적 특성
황성연,박소희,강근옥,이현자,복진흥 한국식생활문화학회 2005 韓國食生活文化學會誌 Vol.20 No.2
We investigated the physico-chemical and sensory characteristics of Kimchi made with red pepper that was washed and mashed. The pH of juice from Kimchi made with red pepper powder was the highest on the day of Kimchi preparation. In the case of Kimchi made with mashed red pepper, the pH of juice and liquid was lower than that of other samples. A similar decrease in pH of juice and liquid was observed up to the second week of fermentation, but the significant difference between both samples wasn't found. The total acidity of Kimchi with mashed red pepper was significantly increased during early fermentation, but was similar during the second week, compared with that of Kimchi with red pepper powder. From the third week of storage, both juice and liquid from Kimchi made with red pepper powder was relatively increased. L and a value of liquid was highest in the case of Kimchi made with mashed red pepper, but b value was lowest during fermentation. In the case of organic acids. acetic acid and lactic acid contents were increased in Kimchi made with mashed red pepper while fermentation progressed. In addition, citric acid content was constant up to the second week in Kimchi made with mashed red pepper but from the third week wasn't detected in both Kimchi made with mashed red pepper and Kimchi made with red pepper powder. In the case of QDA(Quantitative Descriptive Analysis) profiles, the values of Kimchi made with mashed red pepper were significantly higher than those of Kimchi made with red pepper powder in respect to redness, pungency and fresh flavor immediately after the preparation of Kimchi and during the second week of fermentation, but during the fifth week the values were higher in respect to redness and fresh flavor of Kimchi. Appearance and overall acceptability was remarkably increased in Kimchi made with mashed red pepper, compared with that of Kimchi made with red pepper powder immediately after pickling, during the second and the fifth week of fermentation. Therefore, these results indicate that mashed red pepper increased more citric acid content, L and a value of Kimchi in comparison with red pepper powder, resulting in the good effects on overall acceptability due to the significant increase of redness and fresh flover.
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최대 암에르고미터 운동 시 경험 유·무에 따른 척수 장애인의 환기역치 비교
김태수,김성수,윤성진,황부근,이동희,이강우 한국특수체육학회 2004 한국특수체육학회지 Vol.12 No.3
The purpose of this study was to determine the effect of state for training at the VT using other relative physical factors as like a VT-Sec, VT-VO2peak, VT/VO2peak%, VO2peak, VT-HRpeak, VT/HRpeak%, HRpeak, with individuals with spinal cord injuries. The participants were composed of 7 spinal cord injured wheelchair basketball athletes who are involved with regular activity, 5 spinal cord injured sedentaries who are not involved any regular activity. The statistical procedures used to the analysis were unpaired T-test. The results were as follows; First, the significant differences in VT-Sec, VO2peak were observed between 2 groups. Second, the validity of 44-72VT/V O2peak% and 56.78VT/HRpeak% is suggested as an alternative exercise intensity by individuals with all spinal cord injuries.
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정신분열병과 N-Methyl-D-Aspartate 수용체 유전자와 연관된 VNTR 표지자인 D9S158 다형성의 연합
김종원,채영규,정은기,김길숙,박강규,이영호,최인근,양병환,한진희 大韓神經精神醫學會 1998 신경정신의학 Vol.37 No.5
정신분열병과 NMDA 수용체와 연관된 D9S158 유전적 표지자와의 연관성을 알아보기 위해 75명의 정신분열병 환자군과 87명의 정상대조군을 대상으로 중합효소연쇄반응을 이용하여 연합연구를 시행하여 다음과 같은 결론을 얻었다. D9S158 유전좌위에는 모두 8개의 대립유전자가 있었고, 각 대립유전자는 cytosine-adenine염기가 반복되는 217염기쌍에서 233염기쌍의 형태였다. 먼저 정신분열병 환자와 정상대조군의 대립유전자의 빈도를 비교해 본 결과 통계적으로 유의한 차이를 보이지 않았다(p〉.05). 환자군을 좀 더 동질적으로 만들기 위해 정신분열병의 가족력 유무, 음성 및 양성증상, 연성신경학적 징후, DSM-IV 임상아형에 따라 환자군을 나누어 대립유전자의 빈도를 비교해 본 결과, 특정 임상양상과 관련이 있는 대립유전자를 발견하지 못하였다. 결론적으로 본 연구에서는 D9S158 유전좌위와 정신분열병의 연관성을 입증하지 못하였으나 NMDA 수용체 유전자주위의 다른 표지자나 좀 더 유전적으로 동질한 환자군을 대상으로 한 추후연구가 필요할 것으로 생각된다. An association study with Korean schizophrenic patients(N=75) and normal controls(N=87) was performed to find the relationship between D9S158 polymorphism and schizophrenia using polymerase chain reaction. Eight different alleles of a dinucleotide polymorphism on D9S158 locus were observed in both group. When we compared the frequencies of alleles between schizophrenics and normal controls, there was no significant difference between two groups. To increase homogeneity of schizophrenic group, we divided schizophrenic group by clinical phenotypes such as family history, negative and positive symptoms(PANSS), soft neurologic signs(NES-K) and DSM-IV diagnostic subtypes. Then we compared the frequencies of alleles among subgroups of clinical phenotypes, and there were no significant differences between subgroups(p〉.05). Although our findings fail to provide an evidence of association between schizophrenia and D9S158 locus, further investigation of other loci that are linked to NMDA receptor gene may be needed in genetically homogeneous subgroups of schizophrenia.
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Kang Sang-Wook,Choi Yean-Jung,Choi Jung-Suk,Kwon Hyang-Mi,Bae Ji-Young,Park Eun-Hee,Ji Geun-Eog,Kang Il-Jun,Kang Young-Hee The Korean Nutrition Society 2006 Nutritional Sciences Vol.9 No.3
Matrix metalloproteinases (MMP) play an important role in the extracellular matrix (ECM) degradation undetphysiological and pathological conditions. The present study examined the influence of (-)epigallocatechin gallate and quercetin on phorbol-12-myristate 13-acetate (PMA)-induced secretion of MMP-2 and MMP-9, when human umbilical vein endothelial cells (HUVEC) were treated with (-)epigallocatechin gallate and quercetin at supraphysiological concentrations of $25{\mu}mol/L$. No cytotoxicity was observed by MIT assay in response to a treatment with PMA in the presence of (-)epigallocatechin gallate and quercetin. Western blot analysis and gelatin zymography revealed that exposure of HUVEC to PMA enhanced the levels and gelatinolytic activities of pro and active forms of MMP-2 and active form of MMP-9. (-)Epigallocatechin gallate attenuated PMA-stimulated secretion of active forms of MMP-2 and MMP-9 concomitantly with a loss of activities of these enzymes, which was related to the decreased mRNA levels of MMP. Quercetin was more potent than (-)epigallocatechin gallate in alleviating MMP-9 protein secretion and activity with a decrease in MMP-9 mRNA accumulation. Taken together, the results indicated that (-)epigallocatechin gallte and quercetin exhibited inhibitory effects on MMP activity and may qualify as chemopreventive and cardiovascular protective agents.
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Hee-Ju Kang,Ju-Wan Kim,Seon-Young Kim,Sung-Wan Kim,Hee-Young Shin,Myung-Geun Shin,Jae-Min Kim 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.5
Objective Depression is associated with a major disease burden, and many individuals suffer from depressive symptoms due to an insufficient response to ostensibly adequate antidepressant treatment. Therefore, it is important to identify reliable treatment response predictors for use in developing personalized treatment strategies. Methods The MAKE Biomarker discovery for Enhancing anTidepressant Treatment Effect and Response (MAKE BETTER) study was performed to identify predictors of antidepressant response using a 2-year naturalistic prospective design. Participants in the MAKE BETTER study were consecutively recruited from patients who visited the Psychiatry Department of Chonnam National University Hospital, Gwangju, South Korea for treatment of a depressive disorder. Data on demographic and clinical characteristics, genetic markers measured by whole-exome sequencing, and blood markers were obtained. The types and doses of antidepressants were determined based on the clinical judgment of the psychiatrist, and the treatment outcomes (e.g., depressive and other psychiatric symptoms and issues related to safety) were assessed. Results We will be able to use the data collected in this study to develop a treatment-response prediction index composed of biomarkers. Conclusion The MAKE BETTER study will provide an empirical basis for a personalized medicine approach to depression by enabling the prediction of antidepressant treatment response according the characteristics of each patient. It will thereby support evidencebased decision-making that decreases the use of a trial-and-error approach to the treatment of depressive disorders.
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