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Ryu, Sung-Weon,Park, Sang-Chan,Bang, Mun-Nam,Han, Sung-Sik,Park, Young-Kil,Park, Sue-Nie,Shim, Young-Soo,Kan, Seong-Man,Bail, Gill-Han The Korean Society for Microbiology 2004 Journal of Bacteriology and Virology Vol.34 No.2
Despite recent economic prosperity, Korea still has high prevalence of tuberculosis. Molecular biologic characterization of Korean Mycobacterium tuberculosis strains might provide a deeper understanding of the forces contributing to the spread of tuberculosis in Korea. Therefore, we analyzed the cell lysate proteome of a representative Korean Mycobacterium tuberculosis isolate (K01) in comparison with laboratory reference strains H37Rv and H37Ra. Seven spots were strongly expressed only in K01 strain compared with M. tuberculosis H37Rv and H37Ra. Through continuous MALDI-MS analysis, these spots were identified as hypothetical protein Rv3849, secreted immunogenic protein Mpt64, Acetyl/propionyl-CoA Carbpxylase (AceD1), alkyl hydroperoxide reductase C (AhpC), N-acetylmuramyl-L-alanine amidase, a putative UDP glucose epimerase, and a transposase. A deeper study of these proteins may provide a clue in the development of effective new anti-tuberculosis vaccines against Korean M. tuberculosis isolates.
In Vitro Effects of Therapeutic Low Energy Ultrasound on Cultured Human Articular Chondrocyte
Sung, Jin-Hyung,Ryu, Jae-Duk,Kim, Weon-Yoo,Han, Chang-Hwan,Shin, Sang-Young,Choi, Eun-Seok,Kim, Jin-Young 가톨릭대학교 2000 Bulletin of The Catholic Research Institutes of Me Vol.28 No.-
Purpose : Ultrasound has been applied therapeutically connective tissue healing and healing of long bone fracture. We performed this study to the therapeutic low energy ultrasound on cultured human articular chondrocyte. Materials and Methods : Chondrocyte were isolated from the articular cartilage of young adult knee joint during notchy plasty of ACL reconstructive procedure using collagenase and cultured in DMEM solution. Therapeutic ultrasounds(Intensity; 1W/㎠, 0.75W/㎠, 0.24W/㎠, Frequency; 1MHz) were applied to the cultured human articular cartilage for 0, 30, 60, 90 seconds, repectively. 3H-Thymidine uptake, 3H-Uridine uptake and production of collagen Type I, Type II were evaluated on 3 days and 5 days of culture. Results : Decreased cell proliferation, decreased thymidine and uridine uptake, decreased production of human collagen Type I and complete loss of production of human collagen Type II were showed after high dose ultrasound application (1W/㎠, 0.75W/㎠, 1MHz). After low-dose ultrasound application(0.25W/㎠, 1MHz), there were increased cell proliferation and increased production of human collagen Type II and production of Type I collagen did not change after 3 days and 5 days. Conclusion : In summary, this study showed that decreased cell proliferation and collagen synthesis were observed with application of high-dose ultrasound, whereas, increased cell proliferation and human collagen Type II synthesis were observed with application of low-dose ultrasound. (The Journal of Korean Orthopaedic Association 34(3):617-623, 1999)
인도네시아 Janti Fly over bridge 지진패해 조사
류지연(Ryu Ji Yeon),김동인(Kim Dong In),우정원(Woo Jeong Weon),강형택(Gang Hyeong Tak),서상길(Seo Sang Gil) 한국구조물진단유지관리학회 2006 한국구조물진단학회 학술발표회논문집 Vol.10 No.2
Strong earthquake has stuck Yogyakarta and Central Java on May 27. 2006, and measured 6.2 on the Richter scale. After earthquake, KHC has offered a technical support for earthquake damaged road facilities to MPW from a humanitarian standpoint and investigated 16 Bridges in Indonesia. Especially, Janti Fly Over Bridge in Yogyakarta is the longest and most important bridge in this region. So we inspected and presented causes and rehabilitation to Earthquake-damaged Janti Fly Over Bridged.
장기실측 파랑자료 분석을 통한 동해안 폭풍파 출현 추세
정원무(Weon Mu Jeong),류경호(Kyong-Ho Ryu),오상호(Sang-Ho Oh),백원대(Won-dae Baek) 한국해안해양공학회 2016 한국해안해양공학회 논문집 Vol.28 No.2
우리나라 동해안 6개 관측점에서 장기간 관측된 파랑자료를 이용하여 폭풍파의 출현 추세를 검토하였다. 한국해양과학기술원의 4개 정점(속초, 묵호, 후포, 진하)에서는 관측기간 동안 유의파고의 연별 평균값과 최대값의 주목할 만한 추세가 나타나지 않았다. 또한, 폭풍파의 연별 출현 횟수는 진하에서만 완만한 증가 추세가 나타났고 나머지 세 정점에서는 감소 추세를 보였다. 그러나 기상청 동해부이의 경우 유의파고의 연별 평균값과 최대값 및 폭풍파 연별 출현횟수가 2009년 이후로 매우 급격하게 증가하는 경향이 나타났으며 해당 자료의 연속성이 확보되지 않은 것으로 확인되었다. The trend in appearance of storm waves on the east coast of Korea was investigated based on long-term wave data observed at six different stations. At the four wave stations of KIOST (Sokcho, Mukho, Hupo, and Jinha), no notable trend was found during the observation period with respect to the annual average and maximum values of the significant wave height. In addition, the annual number of the appearance of storm waves showed decreasing trend at the three stations except Jinha, where slightly increasing trend of the quantity was recognized. In contrast, at Donghea ocean data buoy of KMA, abruptly increasing trend was found for the annual average and maximum of the significant wave height and for the annual number of the appearance of storm waves as well, demonstrating lack of consistency in the observation data from Donghea buoy of KMA.
Dae Sung Lee,Sang Weon Kim,Sang Il Ryu 위기관리 이론과 실천 2014 Crisisonomy Vol.10 No.12
이 연구는 1981년부터 2014년까지 국회도서관, 한국테러학회, 치안본부, 경찰청, 국가정보원에서 발간하거나 소장하고 있는 대(對)테러리즘 관련 학술논문의 모든 연구주제를 10년 단위로 구분하여 언어네트워크 분석을 실 시하였고, 그 결과는 다음과 같다. 첫째, 1981년부터 2014년까지 “테러”, “테러리즘”이 핵심 연구 주제로 등장하 였다. 둘째, 2000년 이전(以前)은 “법․제도” 측면의 논의가 많았고, 2001년 이후(以後)는 “정책” 측면의 학술연구 들이 활성화되었다. 셋째, 2000년 이전(以前)의 연구는 사후진압(事後鎭壓) 측면의 “대응(對應)”에 초점이 맞추어 졌고, 2001년 이후(以後)는 사전예방(事前豫防) 측면이 강조된 “대비(對備)”에 대한 연구가 많았다. 넷째, 시대상 을 반영한 연구주제를 살펴보면, 1981-1990년대는 1988년 서울올림픽과 1986년 서울아시안게임 개최로 인하여 “올림픽”, “아시안게임”과 관련한 연구가 다수를 차지하였고, 1991-2000년대는 2002년 월드컵에 대비(對備)하기 위하여 “월드컵”과 관련된 연구가 증가하였다. 2001-2010년대는 미국 “9.11테러”와 관련된 연구가 급증하였고, 2011-2014년대는 테러리즘과 관련된 연구주제가 “자생테러”, “사이버테러” 등으로 다원화된 사실을 확인할 수 있었다. 다섯째, 대북(對北) 관련 연구를 검토해보면, 2000년 이전(以前)의 연구는 북한의 국가지원 테러리즘 위 험성에 대한 연구가 다수를 이루었지만, 2001년 이후(以後)는 북한과 관련한 테러리즘 연구가 다소 감소한 것으 로 나타났다. 여섯째, 대(對)테러리즘과 관련한 경찰 역할에 대한 연구를 살펴보면, 2010년 이전(以前)은 경찰 역 할에 대한 논의가 적었지만, 2011년 이후(以後)는 경찰 역할에 대한 학술연구가 다소 증가한 것을 확인할 수 있 었다. This study analysed the research trends of counter-terrorism by synthesizing of academic articles between academia and state agencies through the semantic network analysis. We found some significant results from the analysis. To Sum up, first, “terror” and “terrorism” were used key subject matter between 1981 and 2014. Second, there were discussions about “law” and “institutions” before 2000, and there were activating academic research about “policies” after 2001. Third, while the research focused “reaction” in terms of the response from terror before 2000, the research papers focused “preparedness” in terms of the prevention from terror after 2001. Forth, looking at the differences by the year, “the Olympics” and “Seoul Asian Games” were frequently addressed between 1981 and 1990 regarding of the Seoul Olympic games in 1988 and the Seoul Asian games in 1986. The research related to “World Cup” were increased between 1991 and 2000 for preparing 2002 World cup games. After that, research about “9.11 terror” were radically increased between 2001 and 2010, and the research topics were varied, such as “cyber terror”, “homegrown terrorism”, between 2011 and 2014. Fifth, regarding of policy toward North Korea, research related to the risk of state sponsor terrorism by North Sixth,Korea were main topics before 2000, and after that, these research topics were decreased. regarding of police intervention to counter-terrorism, the research related to the police’s role toward counter-terrorism were relative small. However, these research about the police’s role for counter-terrorism were consistently increased.