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Group G streptococcus에 의한 독소충격증후군 1례
이신원,윤나라,김계형,전재현,강유민,김가연,박상원,김홍빈,오명돈,김남중 대한감염학회 2010 Infection and Chemotherapy Vol.42 No.3
Toxic shock syndrome is an acute, multi-systemic, toxin-mediated illness caused by toxin-producing strains of Staphylococcus aureus and Streptococcus species. Streptococcal toxic shock syndrome is usually caused by Streptococcus pyogenes but Group G streptococcal toxic shock syndrome is rare. Herein, we report a case of group G streptococcal toxic shock syndrome that was successfully treated with toxin reducing antibiotics and intravenous immunoglobulin therapies.
이중퀜치를 이용한 삼상변압기형 초전도한류기의 삼상지락 고장 종류에 따른 고장전류 제한 특성 분석
이신원,한태희,임성훈,Shin-Won Lee,Tae-Hee Han,Sung-Hun Lim 한국전기전자재료학회 2023 전기전자재료학회논문지 Vol.36 No.6
The fault current limiting characteristics of three-phase transformer type superconducting fault current limiter (SFCL), which consisted of three-phase primary and secondary windings wound on E-I iron core, one high-TC superconducting (HTSC) element connected with the secondary winding of one phase and another HTSC element connected in parallel with other two secondary windings of two phases, were analyzed. Unlike other three-phase transformer type SFCLs with three HTSC elements, three-phase transformer type SFCL using double quench has the merit to perform fault current limiting operation for three-phase ground faults with two HTSC elements. To verify its proper three-phase ground fault current limiting operation, three-phase ground faults such as single-line ground, double-line ground and triple-line ground faults were generated in three-phase simulated power system installed with three-phase transformer type SFCL using double quench. From analysis of its fault current limiting characteristics based on tested results, three-phase transformer type SFCL using double quench was shown to be effectively operated for all three-phase ground faults.
17 - Ketosteroids 생산균주를 얻기위한 Mycobacterium sp. NRRL B - 3683 과 3805 의 변이실험
이신원,남선희,이유진,지윤선 이화여자대학교 약학회 1992 梨花藥學會誌 Vol.- No.31
Microbiological conversion of sterols to 17-ketosteroids has been recognized as a source for production of steroidal drugs. For development of better strains, we performed mutation on Mycobacterium sp. NRRL B-3683 and 3805 by UV irradiation and NTG treatment. The characteristics of fementation pattern by mutants were determined through TLC and densitometer analysis.
클러스터 중심 결정 방법을 개선한 K-Means 알고리즘의 구현
이신원,오형진,안동언,정성종,Lee Shin-Won,Oh HyungJin,An Dong-Un,Jeong Seong-Jong 한국정보처리학회 2004 정보처리학회논문지B Vol.11 No.7
K-Means algorithm is a non-hierarchical (plat) and reassignment techniques and iterates algorithm steps on the basis of K cluster centroids until the clustering results converge into K clusters. In its nature, K-Means algorithm has characteristics which make different results depending on the initial and new centroids. In this paper, we propose the modified K-Means algorithm which improves the initial and new centroids decision methodologies. By evaluating the performance of two algorithms using the 16 weighting scheme of SMART system, the modified algorithm showed $20{\%}$ better results on recall and F-measure than those of K-Means algorithm, and the document clustering results are quite improved. K-Means 알고리즘은 재배치 기법의 일종으로 K개의 초기 센트로이드를 중심으로 K개의 클러스터가 될 때까지 클러스터링을 반복하는 것이다. 알고리즘의 특성상 K-Means 알고리즘은 초기 클러스터 센트로이드(중심) 및 클러스터 중심을 결정하는 방법에 따라 다른 클러스터링 결과를 얻을 수 있다. 본 논문에서는 K-Means 알고리즘을 이용한 초기 클러스터 중심 및 클러스터 중심을 결정하는 방법을 개선한 변형 K-Means 알고리즘을 제안한다. 제안한 알고리즘의 평가를 위하여 SMART 시스템의 16가지 가중치 계산 방식을 이용하여 성능을 평가한 결과 변형 K-Means알고리즘이 K-Means 알고리즘보다 재현률과 F-Measure에서 $20{\%}$이상 향상된 결과를 얻을 수 있었으며 특정 주제 아래 관련 문서가 할당되는 클러스터링 성능이 우수함을 알 수 있었다.
이신원,Omar Faruk Khan,서정호,김동연,박경화,정숙인,정은경,장희창 전남대학교 의과학연구소 2013 전남의대학술지 Vol.49 No.1
Successful tuberculosis control depends on good adherence to treatment. Yet, limited data are available on the efficacy of methods for improving the adherence of patients of low socioeconomic status. We evaluated the impact of physician-provided patient education on adherence to anti-tuberculosis medication in a low socioeconomic status and resource-limited setting. A pre-/post-intervention study was conducted at a suburban primary health care clinic in Bangladesh where an intensive education strategy was established in May 2006. Treatment outcomes of tuberculosis patients from March 2005 to April 2006 (pre-intervention) and from May 2006 to December 2007 (post-intervention)were compared. Among 354 patients, 198 (56%) were treated before intervention and 156 (44%) were treated after intervention. Cumulative adherence to anti-tuberculosis medication was significantly greater in the intervention group than in the control group in univariate and multivariate analyses. Physician’s education can contribute to increasing the adherence of patients in resource-limited settings.