자기조립구조의 평형/동적 특성 예측

류지호(Ji Ho Ryu),위한솔(Han Sol Wee),이원보(Won Bo Lee) 한국고분자학회 2016 고분자 과학과 기술 Vol.27 No.1

건강칼럼 : 우연히 개발된 피부 치료법

류지호 한국공업화학회 2010 공업화학전망 Vol.13 No.1

F1 in Schools 프로그램을 이용한 공학교육 사례연구

류지호(Ji-ho Ryu),박재희(Jay Park) 한국자동차공학회 2008 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-

We conducted comparing and analyzing F1 in schools program's educational contents with the major's regular curriculum. As a result, we introduced this program to the major's regular course. Six F1 model cars were developed and manufactured by students using F1 in schools program. We observed a meaningful changes that students who completed this course got changes of know ledges and recognitions about car development than before they completed this course from a survey.

응급실로 내원한 3세 이하 소아의 급성 충수염의 임상적 특성

류지호,류일,임용수,김재광,현성열,이근,양혁준,진욱 대한응급의학회 2002 대한응급의학회지 Vol.13 No.2

Background: In younger children, early diagnosis of acute appendicitis can be difficult because patients may not be able to provide a good history of their symptoms and the etiologies of the abdominal pain is often unclear. Therefore, the diagnosis is may be delayed and may be made after perforation has occurred. Methods: The cases of 20 children of 3 years of age or less who underwent appendectomies due to appendicitis from January 1995 to March 2000 were retrospectively reviewed. Data were gathered including seasonal variation, gender, mean age, presenting signs and symptoms, physical signs, diagnostic methods, WBC counts, postoperative complications and length of postoperative hospital stay. Results: The male-to-female ratio was 1.5:1. Fifteen cases were diagnosed after perforation had occurred, and 5 cases were nonperforated. The mean age was 29.6(±5.5) months; 60% were males(12/20). The most common presenting symptom was abdominal pain(95%). The most common signs was abdominal tenderness; especially, muscle guarding was more common in the perforated group(100% vs. 0%). The mean duration of symptoms prior to visiting the ED and the average length of hospital stay were 4.4 days and 10.1 days in the perforated group and 2.2 days and 4.2 days in the nonperforated group, retrospectively. Conclusion: In children of 3 years of age or less, when abdominal pain is persistent without response to conservative treatment and there is associated abdominal tenderness, appendicitis must be considered. especially, when there are fever, diarrhea and muscle guarding, perforated appendicitis must be considered.

어떤 자세가 쇄골하 정맥을 통한 중심정맥 삽관술의 성공률을 높일 수 있을까?

류지호,염석란,정진우 대한응급의학회 2007 大韓應急醫學會誌 Vol.18 No.2

Purpose: We postulated that the success rate for subclavian venous catheterization could be enhanced by improving body positioning. The purpose of this study was to determine the optimal positioning. The ideal position should result in the largest antero-posterior diameter of the subclavian vein and the shortest depth from the skin to the subclavian vein. Methods: We used 7.5MHz linear probe. Eighteen adult volunteers underwent ultrasound imaging of the right subclavian vein while supine in the following eight positions: NP/PO/AT, NP/PO/AN, NP/PX/AT, NP/PX/AN, LP/PO/AT, LP/PO/AN, LP/PX/AT, LP/PX//AN (neutral head position, NP; head turned to left, LP; on pillow, PO; off pillow, PX; arm traction, AT; neutral arm position, AN). We checked the antero-posterior diameter of the subclavian vein and the depth from skin to the subclavian vein in each position. Statistical significance was determined using Wilcoxon’s signed rank test. Results: The antero-posterior diameter of the subclavian vein in NP/PX/AN position is largest and in LP/PO/AN position is smallest (p=0.01). The difference of the depths from skin to the subclavian vein in each positions is not significant statistically. Conclusion: There was no statistically significant effect of head position on the antero-posterior diameter of the subclavian vein or on the depth from the skin to subclavian vein. Arm traction did not result in an increase in the anteroposterior diameter. Positioning on the pillow likewise conferred no advantage in the antero-posterior diameter. The most optimal position for subclavian venous catheterization was the neutral head position without pillow between the scapulas and without the arm retracted position.

연구논문 : 컨벤션 방문객에 대한 지역주민의 인식이 컨벤션 도시정체성 및 브랜드 개발에 미치는 영향

류지호 ( Ji Ho Ryu ) 대한관광경영학회 2015 觀光硏究 Vol.30 No.5

본 연구의 목적은 컨벤션 목적지에 거주하는 지역 주민들이 컨벤션 참가자들에 대해 어떠한 특성을 지각했을 때, 개인적 유대감이 형성되며, 그 유대감은 컨벤션 도시로서의 정체성과 도시 브랜드 시민행동에 어떠한 영향을 미치는지 고찰하고자 하였다. 이러한 목적을 달성하기 위하여 기존 문헌연구를 통해 개념적 구조 모델을 설계하였으며, 실증적으로 검정하였다. 실증조사를 위하여 ‘MICE도시 부산’이라는 브랜드를 내걸고 컨벤션 산업 육성전략을 펴고 있는 부산의 지역주민을 대상으로 설문조사가 이루어졌다. 지역주민은 컨벤션 행사에 참여해 본 경험이 있는 지역주민을 대상으로 조사하였으며, 381명에게 조사된 수집 자료를 토대로 통계 분석을 시행하였다. 통계 프로그램은 SPSS 18.0 및 AMOS 18.0 프로그램을 이용하여 분석하였고, 구조방정식모형분석을 통하여 개념 간 인과관계가 검증되었다. 분석결과는 다음과 같이 요약될 수 있다. 첫째, 지역주민의 관점에서 바라본 컨벤션 방문객에 대한 인식 중 컨벤션에 전문성을 갖춘 방문객, 좋은 감정을 표출하는 방문객 및 타 참가자에 대한 시민행동을 행하는 방문객은 지역주민으로 하여금 연계의식을 향상시키는 요인이 되었다. 둘째, 이러한 지역주민의 컨벤션 방문객에 대한 개인적 연대감은 자신이 거주하는 도시가 컨벤션 도시로서 정체성 지니고 있음을 지각하게 만들었으며, 결국 브랜드 시민행동에 적극적으로 참여하고자하는 구조 관계가 성립됨을 확인할 수 있었다. 이러한 결과를 바탕으로 학문적 시사점과 유용한 실무적 시사점을 제시하였다. This study``s purposes were to (1) examine critical convention visitors`` attributes in improving residents`` personal connection with convention visitors, (2) verify the relationships among personal connection, city identity and brand citizenship behavior. Based on the existing literature, the conceptual proposed model was designed. In order to experimentally test, 420 questionnaires were distributed to residents who had participated in conventions or exhibitions in Busan, Korea. The data collected from 381 residents was analyzed utilizing structural equation modeling(SEM). The findings of this study indicate that (1) three sub-dimensions of convention visitor attributes (expertise, displayed emotion, helping behavior) influenced positively on personal connection, (2) residents`` personal connection had positive effect on both city identity and brand citizenship behavior and (3) the impact of city identity on brand citizenship behavior was positively significant. The theoretical and useful managerial implications were provided based on the results of this study.

사구종양의 면역조직화학적 고찰

류지호,이주희,김낙인 ( Ji Ho Ryou,Ju Hie Lee,Nack In Kim ) 대한피부과학회 1997 大韓皮膚科學會誌 Vol.35 No.6

Background: Glomus tumor is a benign lesion composed of vessels and glomocytes in varying proportions. Although the histc)logic features of glomus tumors by light microscopy are characteristic and well recognized, there is controversy as to the histogenesis and cytological characterization of the glomus cell. Objective : The aim of the present study was to verify the histopathological origin of a glornus tumor. Method: We investigated 1 cases of glomus tumors for immunohistochemical features. Results : The glomus turnor cells were negative when stained for FactorVIII - related antigen and S-100 protein. Conversely, all materials were found to be positive for actin, vimentin, NSE. Sorne exhibited an equivocal reaction for desmin and CD34, the rest were negative. Conclusion : These findings support the hypothesis that the glomus cell is transitional-between smooth mu.cle and vascular ndothelium-being essentially a modified smooth muscle cell with some endot.helial cell properties (KoreaA J D8rmatOI 1997;35(6): 1130-1135)

BSC 관점의 성과측정치가 호텔기업의 성과에 미치는 영향

류지호,이원기 한국디지털정책학회 2014 디지털융복합연구 Vol.12 No.3

FPA : MAC 성능 향상을 위한 Frame power 조절 기법

류지호(Jiho Ryu),권태경(Ted "Taekyoung" Kwon),최양희(Yanghee Choi) 한국통신학회 2009 한국통신학회 학술대회논문집 Vol.2009 No.6

Cimetidine 정맥주사후 발생한 아나필락시스 쇽 1예

류지호,임용수,양혁준,김재광,신중호,이근,진욱,현성열 대한응급의학회 2002 대한응급의학회지 Vol.13 No.3

Cimetidine is a well-tolerated H₂-receptor antagonist widely used in the treatment of gastrodudenal diseases and allergic reactions such as urticaria. Numerous adverse reactions have been attributed to cimetidine, which is understandable in view of the attention and scrutiny the drug has received, its widespread use, and its systemic effects. The incidence of general side effects is less than 2%. The drug has caused an array of central nervous system disturbances, gynecomastia, and rarely hepatotoxicity, interstitial nephrities, bradycardia, hypotension, and even cardiac arrest. Cardiovascular side effects are extremely rare and have occurred during rapid intravenous injection. We report a case of anaphylactic shock after rapid intravenous injection of cimetidine.