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박승정,유현주,최희석,서병윤,양선호,김영훈,정재열,이기남,Park Seung-Joung,Yoo Hyun-Ju,Choi Hee-Seok,Seo Byeong-Yun,Yang Seon-Ho,Kim Yeong-Hun,Jeong Jae-Yeal,Lee Ki-Nam 대한예방한의학회 2004 대한예방한의학회지 Vol.8 No.2
1. The cell viability was determined by MTT method. Their cytotoxic activities against three cancer cell lines such as A549, MDA-MB-231 and SNU-C4 cell line were tested. Among them, The methanol extract of Saururus chinensis Baill. showed the strongest cytotoxic effect against SNU-C4 cells. These results suggest that the methanol extract of Saururus Chinensis Baill. possessed a potential antitumorous agent. 2. In vitro the antitoxic activity of ethanol extract of Saururus Chinensis Bail on NIH 3T3 fibroblasts was evaluate by the MTT (3-(4,5-dimethyl- thiazol-2-yl)-2,5-diphenyl-2H-tetra캐lium bromide) and SRB (sulforhodamine B protein) assays. The number of NIH 3T3 fibroblasts were increased and tend to regenerate. These results suggest that Saururus Chinensis Bail extract retains a potential antitoxic activity. 3. Complexation of Cd (II) ion with ligands such as quercetin has been determined by UV-vis spectrophotometric method in tris buffer solution at various pH. It was found that only 1 : 1 Cd-complex is formed by the interaction between catechol moiety in ring B and cadmium [Cd(II)] in aqueous solution. The spectral parameters for Cd-complex were determined by Beer's law at various pH. It has shown that 1 : 1 Cd-complex has a maximum absorbance and red shift by the alkaline pH.
관상동맥질환자에 있어서 심폐능력 및 체력향상을 위한 수중운동프로그램 개발
박승정 ( Park Seung Jeong ),강미옥 ( Kang Mi Og ),이한준 ( Lee Han Jun ),이혜영 ( Lee Hye Yeong ),진영수 ( Jin Yeong Su ) 대한스포츠의학회 2003 대한스포츠의학회지 Vol.21 No.2
The purpose of this study was to investigate the development of aquatic exercise that improve cardiopulmonary function and physical fitness in patients with coronary artery disease. Thirty patients with coronary artery disease were participated in this st
국내 주요일간지의 대통령 이슈소유권에 대한 빅데이터 분석
박승정(Park, Seung Jeong),전진오(John, Jino),김선우(Kim, Seon Woo),김성태(Kim, Sung Tae) 한국정치정보학회 2017 정치정보연구 Vol.20 No.3
본 논문은 토픽 모델링(Topic Modeling)의 latent Dirichlet allocation(LDA) 분석 방법을 적용하여 박근혜 정부 4년간 관련 신문 사설을 분석한 연구이다. 수집된 사설은 LDA를 적용하여 토픽(Topic)으로 분류하고 토픽별 보도량을 살펴봄으로써 박근혜 관련 사설에 나타난 국내의 보수와 진보성향을 대표하는 조선일보와 한겨레의 이슈소유권을 비교 분석하였다. 빅데이터 분석 결과, 총 23개의 주요 토픽이 도출되었는데, 토픽의 점유율 특성으로 볼 때 조선일보는 국회, 정당, 북핵, 경제, 지명직 인사 등과 관련하여 지속적으로 점유율 우위를 점하고 있었고, 정치와 경제 및 북핵 관련 공안 이슈를 지속적으로 제기했다. 이에 반해 한겨레는 폭로 저널리즘 성향이 강하게 나타났는데, 우리사회의 주요 정치, 사회, 경제 부문의 문제가 있는 상황을 꾸준히 제기하면서 새로운 토픽을 지속 발굴, 보도하는 성향을 확인했다. 연구진은 커뮤니케이션 연구에서 토픽 모델링이라는 빅데이터 분석 방법을 차용함으로써 기존에 정성적으로 많이 진행해왔던 내용분석에 대한 보완적 방법으로 대규모 텍스트 분석을 위한 의미 있는 접근이기를 기대해본다. This paper tried to analyze the editorials about the former president, Park Geun-Hye, of two prestigious newspapers in Korea, by taking advantages of big-data analysis "Topic Modeling." By applying LDA in an analysis, topics were sorted by specific issues and then filed by issues and words, and then compared two newspapers, Chosun vs. Hankyoreh. As a result of big data analysis, a total of 23 main topics were found. In terms of topic types and reporting time-span of issues, the Chosun emphasized such topics as national assembly, political parties, the nuclear problem of North Korea, economy, etc. Whereas the Hankyoreh delivered more various pending issues such as politics, educations, and social agenda than traditional big topics. We expect the paper contributes to expanding methodological tools to supplement a traditional research method of "content analysis", especially focusing on conveniences and benefits of "Topic Modeling."
홧병 患者의 수지침 發功후 메리디안을 이용한 심장CMP의 數値變化에 대한 임상硏究
서윤희(Yun Hee Seo),박승정(Seung Jeong Park),이기남(Ki Nam Lee) 대한의료기공학회 2003 醫療氣功 Vol.7 No.1
The purpose of this study is that using Gi gong theraphy which operate mind and body, we can get more stronger effect by adding the mental factor that is insufficient in acupuncture and herb theraphy. Operating clinical experiment with this hypothesis, we can get the useful result. Partitioners are patients that is diagnosed as hwa byung at bo-in oriental medical clinic in kim-po during June. And we distribute the patients into study group and comparison group. study group are group who have been treated with non Gi gong theraphy to suchi-chim routine treatment. and comparison group are who have been treated with Gi gong theraphy to it. we can get the result of effect by measuring temperature change between before Gi gong theraphy and after that with meridian, diagonosis instrument. The impact of this study is to scientifically understand gigong practice and its relationship between hwabyung. the result will lead to further exploraions of the causality of Gigong practice on practitioners' hwabyung.