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심혈관계 질환의 위험인자와 사상체질 사이의 연관성 및 활성산소가 이에 미치는 영향에 대한 임상적 연구
한경수,배나영,이한얼,안택원,Han, Kyung-Su,Bae, Na-Young,Lee, Han-Eol,Ahn, Taek-Won 사상체질의학회 2007 사상체질의학회지 Vol.19 No.2
1. Objectives The purpose of this study was to prove the correlation between risk factor of cardiovascular disease and Sasang Constitution and to investigate the effect of oxygen free radical on this correlation. 2. Methods We analyzed 129 patients who visited Cheonan oriental medical hospital from Apr 1, 2007 until May 31, 2007, for medical examination, which Includes Sasang Constitution examination, blood chemistry test and physical examination. And we classified their results into 4 groups based on with blood lipoprotein level and body mass index. 3. Results and Conclusions Mean of lipoprotein in blood was not significantly different among constitutions but with body mass index, was significantly higher in Taeumin than others. And count of dyslipoproteinemia was significantly higher in Taeumin group than soeumin. Therefore, according to our results, risk of cardiovascular disease was higher in Taeumin than other constitutions. Oxygen free radical did not have much effect on correlation between risk factor of cardiovascular disease and Sasang Constitution. However, there was some evidence in soeumin group, that oxygen free radical may have effect on origination of hyperlipidemia.
NCEP-ATP III에 근거한 체질별 심혈관질환 위험도에 대한 임상적 고찰
한경수,이한얼,이주용,안택원,Han, Kyung-Su,Lee, Han-Eol,Lee, Joo-Yong,Ahn, Taek-Won 사상체질의학회 2008 사상체질의학회지 Vol.20 No.3
1. Objective The purpose of this study was to prove the correlation between risk factor of cardiovascular disease and sasang constitution. 2. Methods We analyzed the data of 200 patients who visited Cheonan oriental medical hospital from Apr 1, 2007 until September 31, 2007, for medical examination, which includes sasang constitution examination, blood chemistry test and physical examination. And we classified their results into 3 groups based on with NCEP-ATP III diagnostic criterions. 3. Results and Conclusion The results were as follows : 1. The frequency of dyslipoproteinemia(Hypertriglycemia) was significantly higher in Teaumin group than other constitutions. 2. The frequency of Metabolic syndrome was significantly higher in Taeumin group than other constitutions. 3. The risk of coronary heart disease was higher in Teaumin than other constitutions.
한경수 ( Kyung-su Han ),정현미 ( Hyun-mi Jung ),이강수 ( Gang-soo Lee ),장수진 ( Su Jin Jang ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.2
산업제어시스템(ICS: Industrial Control System)은 전력 생산, 댐 운영, 가스 생산, 수자원 관리, 원자력 발전 설비 등의 운영을 제어하고 관리하는 시스템이다. 대부분의 국가 기반 시설은 이러한 제어시스템에 의해 관리되고 있으며, 정보통신 기술이 발전하면서 업무망과 제어시스템망을 나누워 구축하며 점차 개방화되어 가고 있다. 이로 인한 IT측면에서 발생하는 사이버 공격이 비교적 폐쇄적인 제어 시스템 망으로 언제든지 이루어질 수 있으며, 실제 국내에서 독립적인 네트워크를 사용함에도 불구하고 금융권의 전산망이 마비되는 사태가 발생하였다. 또한 국외에서는 이란의 원자력 발전소 제어 시스템을 목적으로 하는 ‘Stuxnet’ 악성코드로 인해 발전소 운용이 중단돼는 사례도 발생하였다. 산업용 시스템의 목적과 특성상 사이버 침해사고 발생 시 국가적 손실 및 생명에도 위협을 받을 수 있다. 본 논문은 과거에 보안을 고려하지 않고 구축되었던 제어시스템을 사이버 침해로부터 보호하기 위해 제어시스템을 위한 통신 프로토콜 암호화 및 화이트리스트보안 기술을 이용한 시스템 적용 방안을 소개하며, 네트워크 접속시 인가된 산업용 PC의 안전성을 평가하기 위해 요구되는 보안 플렛폼 설계를 한다.
FMC 환경에서 VoIP 보안위협, 요구사항 및 아키텍처 구조
한경수 ( Kyung-su Han ),정현미 ( Hyun-mi Jung ),이강수 ( Gang-soo Lee ) 한국정보처리학회 2011 한국정보처리학회 학술대회논문집 Vol.18 No.1
와이파이 기능이 탑재된 모바일 기기 보급이 확산되면서 무선네트워크를 이용한 많은 서비스가 개발되고 있다. 그중 기존 전화망(PSTN)에서 발전하여 인터넷 네트워크를 이용한, 음성과 데이터 네트워크 융합의 대표적인 인터넷 전화(VoIP)서비스 이용률이 증가하고 있는 추세다. VoIP 기술은 FMC(Fixed Mobile Convergence) 서비스의 기반이 되며, 이에 따라 FMC서비스는 기존의 VoIP 보안위협 및 특성을 상속 받게 된다. 본 논문은 유무선 통합에 의한 여러 가지 유무선 단말, 네트워크 및 서비스 특성에 대한 보안 위협을 상속 받게 되는 FMC 환경에서의 VoIP보안 위협을 소개하고 보안 요구사항을 설계한다. 또한 안전한 FMC서비스를 위해 총체적인 보안망 설계 시VoIP보안 위협 및 보안요구사항에 적합한 보안솔루션의 아키텍처 구조를 제안한다.
IT 제품 개발자를 위한 CC평가(ver. 3.1) 보안 기능 요구사항 지원 도구 프로토타이핑
한경수 ( Kyung-su Han ),정현미 ( Hyun-mi Jung ),이강수 ( Gang-soo Lee ) 한국정보처리학회 2012 한국정보처리학회 학술대회논문집 Vol.19 No.1
공통평가 기준(CC, Common Criteria)은 정보 보호 제품, 즉 IT제품에 대한 보안성을 평가하기 위한 국제 평가 기준이다. 그러나 개발자 측면에서는 CC에서 정의된 보안 기능 사항 중 IT제품 개발에 있어서 어떤 보안기능을 요구하며, 적용 가능한 IT기술에는 무엇이 있는지 알기 어렵다. 이 때문에 평가를 받고자 할 때 제출물을 작성하거나 IT제품 개발에 있어서 많은 시간과 인력이 필요하게 된다. 본 논문은 IT제품 개발자를 위해 공통평가 기준에서 정의하여 서술된 보안기능항목을 이해하고 적용 가 능한 IT기술에는 어떤 것 들이 있는지 제시하기 위한 도구를 개발하기위해 CC(Ver3.1)2부 보안기능 요구사항 중 프라이버시 클래스만을 해결할 수 있는 S/W를 개발 및 프로토타이핑 하였다.
백서 대퇴골 결손부에 매식된 밀랍지혈제의 조직반응에 관한 실험적 연구
김장연,한경수,엄인웅,정호용,kim, Jang-Yun,Han, Kyung-Su,Um, In-Woong,Chung, Ho-Yong 대한악안면성형재건외과학회 1992 Maxillofacial Plastic Reconstructive Surgery Vol.14 No.3
This study was to designed to evaluate the reactions of mouse femoral bone to bone wax. In sixteen mice with a strain of I. C. R. mouse weighed approximately 300 to 850g 2.0~2.0mm sized bone defects were created by drilling. Half of mice were inserted by bone wax and the remainder serving as control without bone wax application. The mice were sacrificed 1, 2, 6, 8 weeks after operation and block specimens were prepared for light microscopy examination. The results obtained were as follows. 1. Histologic features of tissue reaction to bone wax were the presence of inflammatory cell infiltration and multinucleated giant cell. 2. Bone ear healing from the created margin were markedly impaired by the application of bone wax 3. New bone formation was markedly decreased in bone wax application.
구강 악안면 영역의 감염증에 대한 항생제 감수성에 관한 연구
박경옥(Kyung Ok Park),한경수(Kyung Su Han),엄인웅(In Woong Um),민승기(Seung Ki Min),김영조(Young Jo Kim) 대한구강악안면외과학회 1990 대한구강악안면외과학회지 Vol.18 No.4
The administration of a suitable antibiotics is one of the most important therapy in oral infections. But the choice of efficient antibiotics was tangled by the emergence of multiful drug resistance and characteristics of mixed infection in oral cavity. In this study, thirty specimens of oral & maxillofacial infection were selected to screen the susceptibility of fifteen antibiotics and try to evaluated the resistanc tendency in accordance with plasmid DNA which may code for antibiotic resistance. The susceptibility was determined by the disc agar diffusion method. All of the speciment were resistant to penicillin, oxacillin, lincmycin, clindamycin and osteomyelitis. Fifteen, twelve and eleven of thiry patients showed susceptibility to ceftriaxone, chloramphenicol an amikacin, repectively. Nine samples were found to contain plasmid DNA and showed 1 fragment of 15 mega dalton.
이한얼,이주용,한경수,이현,안택원,Lee, Han-Eol,Lee, Joo-Yong,Han, Kyung-Su,Lee, Hyun,Ahn, Taek-Won 사상체질의학회 2009 사상체질의학회지 Vol.21 No.3
1. Objectives: This study was carried out to investigate the Sasang constitutional equilibrium functional difference according to drinking and smoking. 2. Methods: We analyzed the data of 300 adults(194 males, 106 females), who visited Cheonan oriental hospital of D univ. for medical examination, which includes Sasang constitution examination, equilibrium function test, questionnaire. We evaluationed the equilibrium function by measurement of open eyes and close eyes trace length, using the posturography system, according to drinking groups, smoking groups and drinking-smoking groups. 3. Results and Conclusions: The results were as follows : 1) In all subjects, trace length of heavy-drinker was significantly higher than non-drinker, trace length of smoker was significantly higher than non-smoker, trace length of drinker and smoker was significantly higher than non-drinker and non-smoker, trace length of male was significantly higher than female. 2) In Soyangin, trace length of middle-drinker was significantly higher than non-drinker. 3) In Taeumin, trace length of heavy-drinker was significantly higher than non-drinker, trace length of smoker was significantly higher than non-smoker, trace length of drinker and smoker was significantly higher than non-drinker and non-smoker. 4) In Soumin, trace length of drinker and smoker was significantly higher than non-drinker and non-smoker. The above results show that driking and smoking are one of main causes to decrease equilibrium function, specially the case of at once drinking and smoking are a potent influence. Also in Taeumin, comparing to different consitutions, the above results show that it is more obvious that drinking and smoking are influence on decrease of equilibrium function.