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인터넷 상의 다중공격에 대비한 침입탐지시스템 모델 설계
최주영,최은정,이지윤,윤세안,김명주 서울여자대학교 자연과학연구소 2000 자연과학연구논문집 Vol.12 No.-
Since modern attacks against information system utilize large-scale and distributed network, they become more versatile and complicated. We propose a new model of intrusion detection system, IDSS that can effectively detect multiple resource attack from to the inter-system and intra-system. IDSS (Intrusion Detection System for Seoul women's university) is optimized in agent unit to detect multiple attacks on network effectively and designed to and respond to them in real time.
조재연,심재정,인광호,유진목,안태훈,강경호,유세화,김건,최영호,유홍옥,김동순 대한내과학회 1990 대한내과학회지 Vol.38 No.1
Tuberculous pleurisy is a relatively common form of extrapulmonary tuberculosis. To evaluate whether prednisolone treatment can prevent pleural adhesion and result in early absorption of effusion in tuberculosu pleurisy, we studied 51 cases of exudative tuberulous pleurisy patients from Dec. 51 to Aug. 1987 by prospective randomized trials. Prednisolone was administered 5㎎/㎏/day for 3 wks in the steroid group. The results obtained were as follows: 1) At 3 months after treatment, the effusion was nearly absorbed in 6 of 18(33.3%) patients of steroid group, in 4 of 33(12.2%) patients of the non steroid group, and in 10 of the total 51(19.6%) patients. 2) At 9 months after treatment, pleural adhesion above the minimal degree was observed in 17 of 33(51. 5%). patients of the steroid group, in 8 of 18(44.4%) patients of non steroid group, and in 25 of 51(49.0%) patients in total. Among those patients, severe adhesion was developed in 2 of 51(4%) patients. 3) Pleural adhesion was developed in 14 of 33(42.4%) patients of the small amount group and 11 of 18(61.1%) patients of the large amount group. 4) Pleural adhesion was developed in 7 of 15(46.4%) patients of the early treatment group(<10 days of symptom onset), and 18 of 36(50%) patients of the late treatment group(>10 days). In conclusion, pleural adhesion was observed in a relatively large number of patients with tuberculous pleurisy after chemotherapy. Prednisolone resulted in early absorption of fluid, but could not prevent pleural adhesion significantly.
Choi, Soo-Youn,Ko, Hee-Chul,Ko, Soo-Youn,Hwang, Joon-Ho,Park, Ji-Gweon,Kang, Shin-Hae,Han, Sang-Hun,Yun, Su-Hyun,Kim, Se-Jae Pharmaceutical Society of Japan 2007 Biological & pharmaceutical bulletin Vol.30 No.4
<P>We investigated the correlation between the flavonoid content and NO production inhibitory activity of fruit peel extracts using 20 citrus plants. The contents of seven flavonoids (naringin, naringenin, hesperidin, hesperetin, rutin, nobiletin, and tangeretin) were determined by HPLC analysis. Each citrus peel extract varied in flavonoid content, but the contents of nobiletin and tangeretin, which were contained in all 20 fruit peels, showed a positive and significant correlation with each other (<I>r</I>=0.879, <I>p</I><B><</B>0.0005 for immature fruit peels; <I>r</I>=0.858, <I>p</I><0.0005 for mature fruit peels). All citrus peel extracts dose-dependently inhibited LPS-induced NO production in RAW 264.7 cells. This inhibitory effect was significantly and positively correlated with the content of nobiletin and tangeretin. Nobiletin showed a more potent NO production inhibitory activity (IC<SUB>50</SUB>=26.5 μ<SMALL>M</SMALL>) compared to tangeretin (IC<SUB>50</SUB>=136.6 μ<SMALL>M</SMALL>). This result supports the premise that nobiletin-rich citrus may provide protection against disease resulting from excessive NO production.</P>
Efficient End-to-End QoS Framework Using TCP-friendly rate control in Next Generation Network
Se Youn Ban,Seong Gon Choi,Jun Kyun Choi 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
This paper proposes an efficient end-to-end mechanism using ingress node congestion control agent in Next Generation Network(NGN).
Se Youn Choi,Inho Kim,김남중,Seung-Ah Lee,Youn-Ak Choi,Ji-Yeon Bae,Ji Hyun Kwon,Pyoeng Gyun Choe,박완범,Sung-Soo Yoon,Seonyang Park,Byoung Kook Kim,Myoung-Don Oh 대한혈액학회 2011 Blood Research Vol.46 No.4
Background :The aim of this study is to investigate the hematological manifestations of human immunodeficiency virus (HIV) infection, the risk factors for cytopenia, and the effect of highly active anti-retroviral therapy (HAART) on cytopenia. Methods :Medical records of patients treated for HIV at the Seoul National University Hospital from January 2005 to March 2010 were retrospectively reviewed. To determine the impact of HIV itself, we excluded HIV patients who had other conditions that could have resulted in hematological manifestations. Multiple logistic regression analyses were performed to identify risk factors for cytopenia. Results :A total of 621 cases were investigated, and after exclusion, data of 472 patients were analyzed. The frequency of cytopenia was anemia, 3.0% (14/472); neutropenia, 10.0% (47/472); thrombocytopenia, 2.4% (12/472); lymphopenia, 25.7% (121/470); isolated cytopenia, 11.2% (53/472); and bicytopenia, 2.1% (10/472). The leading risk factor for cytopenia identified by multivariate logistic regression methods was AIDS status at initial presentation. After HAART, cytopenia was reversed in the majority of patients (thrombocytopenia, 100%; neutropenia, 91.1%; and anemia, 84.6%). Conclusion :This study isolated the impact of HIV infection alone on hematologic manifestations and confirmed that these changes were reversible by HAART. Control of the HIV infection will have the main role in the management of hematological manifestations of the virus.
최세연(Choi, Se-youn) 한국통합치료학회 2009 통합치료연구 Vol.1 No.1
본 연구는 치료적 음악감상이 화상환자의 통증완화에 미치는 영향을 알아보기 위한 것으로, 단일대상 사전 사후 연구 설계로 서울 Y구에 소재한 화상전문 H병원 화상병동에 입원 중이며 주치의로부터 통증완화 음악치료프로그램에 의뢰받고 정각 및 의사소통에 지장이 없는 6명의 환자들을 대상으로 매 1회기 30분간 총 10회기로 환자의 선호음악을 바탕으로 하여 도입-감상-마무리의 3단계로 구성되었다. 음악감상은 mp3에 연결하여 환자와 연구자가 동시에 이어폰으로 감상할 수 있도록 기기를 사용하였으며 음량이나 음악 진행의 불편함을 통제하였다. 매 회기 프로그램 진행 직전과 직후 화상환자들은 자신의 통증완화 정도를 Visual Analogue Scale(VAS)를 이용한 자가 측정을 토대로 SPSS WIN 13.0을 사용하여 비모수 통계인 Wilcoxon Signed Ranks Test를 이용하여 분석하였으며 연구자는 환자의 음악감상 중에 나타나는 신체적, 언어적 반응이나 표현을 매 회기 관찰, 기록하였다. 치료적 음악감상을 중재로 하는 VAS 측정에서 사후 접수가 음악감상 사전에 측정한 점수보다 통증자각 정도가 감소된 것으로 나타나(p<.05) 유의미한 차이를 확인하였다. 또한 연구자의 음악치료 세션 기록일지를 통하여 환자들의 밝은 표정과 긍정적인 언어 표현을 관찰할 수 있었다. 이를 통해 치료적 음악감상이 화상환자에게 긍정적인 영향을 준다는 것을 확인하였으며, 본 연구를 바탕으로 음악치료가 화상환자에게 다양한 방법으로 접근될 수 있기를 기대한다. Burn patients involve the thermal destruction of skin cells or the damage to the tissues of the body and in most cases, the patients suffer from severe pains after having a narrow escape from the death caused by hot water, an electric shock, a fire or etc. The pain burn patients suffer from is considered as the worst pain among other pains caused by an external wound and they feel burning pain as well as daily activities such as having treatment, taking meals, moving a body and etc. Music is effective ways to make the patients change their response to stress that can be caused by disease, reduce the painful memories and attentions of accidents, and increase, maintain, and recover physical and mental health and plays an active role in improving mental and physical symptoms through psychological approaches that can draw their interests and attentions. 6 patients who had been hospitalized at H hospital specialized in burn injuries and were able to communicate though sound messages from music treatment programs designed for reducing pains participated in this study and the study conducted for 30 minutes for 10 sessions from March 25, 2008 to April 30, 2008. In this study, Visual Analogue Scale(VAS) was used to measure the levels of pain and patients physical responses and conversations for each session were reordered. Significant differences were observed in self-measurement for the pain of the burn patients who participated in music treatment. From the results, a positive effect of music treatment in burn patients was proved and music treatment should be used to burn patients in a variety of ways based on this study.
최세윤(Se-Youn Choi),임성무(Sung-Moo Lim),여인선(In-Seon Yeo) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
LED를 조명용으로 사용하기 적합하도록 Lambertian Type 의 백색 LED에 1차 렌즈를 씌어서 일정거리의 작업 면에서 균일한 조도를 얻고자, 광학 설계프로그램인 LightTools 를 이용하여 렌즈의 형태를 모델링하고 시뮬레이션을 통해 LED 광원의 배광분포 등의 광학적 특성을 비교분석함으로써 조도 균제도가 우수한 렌즈의 형태를 얻었다.