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비만 여성을 대상으로 한 해조류 추출물의 국부처치와 운동 병행을 통한 지방분해 효과의 임상적 검정
서태수,이인숙,변재철,김규호,박승한,김유영,김상국,김현정,김상기,신동철,성미영,박종석,김종기,박언휘 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.3
This study was carried out to test the body fat breakdown during topical seaweed extract treatment and in combination with the aerobic exercise. Of 20 female obesity subjects, ten treated a cream types of seaweed extract(control group) and ten treated a placebo cream(placebo group). Topical treatment of each sample was designed for 4 weeks, and treated with 2 times a day about 10ml on the abdomen and the thigh, respectively. All subjects were participated aerobic dance half hour a day and four times a week. After 4 weeks of topical treatment and exercise, they were measured body fat, skinfold thickness, body circumference. Then venous blood samples were taken and analyzed blood cells, serum enzymes, and serum lipids. There were reduction of body weight, % of body fat, antebrachium, brachium, chest, waist, thigh circumference and abdomen thickness between pre and post treatment in both group. Especially, body weight and % of body fat significantly reduced in the subjects treating the seaweed extract than those treating the placebo. There were significant decrement in total cholesterol and LDL whereas increment in HDL and TBIL in the control group, but no significant difference in the placebo group. In conclusion, there were 7.6% of body fat reduction during 4 weeks of aerobic exercise and 21% of body fat reducement in combination of topical seaweed treatment and exercise, respectively. These results suggest that the topical treatment of seaweed extract should be very effective for fat breakdown. Especially, the body fat breakdown maximized in the combination with the topical seaweed extracts treatment and the aerobic exercise.
샌드위치 세라믹 라이너의 골절 : 1예 보고 One Case Report
서유성,임강철 순천향의학연구소;Soonchunhyang Medical Research Institute 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
In Alumina-Alumina Artificial Hip joints with a sandwich ceramic liner, liner fracture and dissociation is rare. In December 2001, a 58-year-old man underwent a right total hip arthroplasty because of avascular necrosis of femoral head. 3.8 years after surgery, he felt click and squeak in the groin and had thigh and inguinal pain. Radiographs shows a fracture of the ceramic acetabular insert. At sergery, we found the fracture of the insert, which had become detached from the polyethylene backing, the greatly worn polyethylene backing and the ceramic head that was discolored from contact with the metal shell. The patient was treated by revisional total hip arthroplasty and a new polyethylene liner and a metal head were fitted. We describe this one rare case and review the literature.
반치환술후 탈구 도수정복시 Bipolar shell의 분리-1례 보고
서유성,이경한,나수균,최창욱 순천향의학연구소 1995 Journal of Soonchunhyang Medical Science Vol.1 No.1
The disassembly of modular total hip prosthesis in the postoperative period has been reported with increasing frequency. This involves disassembly of modular acetabular cups, modular head - neck systems and bipolar systems. Disassembly of the components of bipolar endoprosthesis of the Bateman and Christiansen designs have been reported previously. We report on an unusual case of a patient in whom a modular, taper - locked femoral head seperated from the shell ; the seperation occurred during an attempt at closed reduction of a hip that had dislocated posteriorly.
n-CdS_(0.46)Se_(0.54)/p-Cu_92-x)S_(0.46)Se_(0.54) 이종접합 태양전지의 제작과 그 특성에 관한 연구
유상하,최승평,이상열,홍광준,서상석,김혜숙,전승룡,윤은희,문종대,신영진,정태수,신현길,김택성,유기수 全北大學校 基礎科學硏究所 1994 基礎科學 Vol.16 No.-
승화방법에 의해 CdS_0.46Se_0.54 단결정을 성장하여 결정구조를 조사하고, Van der Pauw 방법으로 Hall effect를 측정하여 carrier density의 온도 의존성과 mobility의 온도 의존성을 조사하였다. 성장된 CdS_0.46Se_0.54 단결정을 치환반응하여 n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 이종접합 태양전지를 제작하였다. Spectral response, 전류-전압특성 및 전력변환 효율을 조사하여 그 결과로부터 개방전압은 0.48V, 단락 전류 밀도는 21mA/㎠, fill factor와 전력변환효율은 각각 0.75와 9.5%를 얻었다. CdS_0.46Se_0.54 single crystal was grown by a sublimation method. The crystal structure and the temperature dependence of carrier density and mobility of CdS_0.46Se_0.54 single crystal were studied. Heterojunction solar cells on n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 were fabricated by the substitution reaction. The spectral response, the J-U characteristics and the conversion efficiency of the n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 heterojunction solar cells were studied. The open-cricuit voltage, short-circuit density, fill factor and conversion efficiency of n-CdS_0.46Se_0.54/p-Cu_2-xS_0.46Se_0.54 heterojunction solar cells under 80mW/㎠ illumination were found to be 0.48V, 21mA/㎠, 0.75 and 9.5%, respectively.
서유성,김동진,박종석,임수재,나수균,최창욱 순천향의학연구소 1998 Journal of Soonchunhyang Medical Science Vol.4 No.2
Dislocation is one of the serious complications in total hip replacement arthroplasties. The purpose of this study is to evaluate the risk factors of dislocation, including age, sex, preoperative diagnosis and bilaterality, history of previous hip surgery, positioning of component, soft tissue tension, treatment after dislocation or redislocation. Authors reviewed 190 patients of total hip replacement arthroplasty, which were performed from Jan. 1990 to Dec. 1996. 15 cases developed dislocation after surgery. Incidence of dislocation was 7.89%(15 of 190 cases). Dislocation after revision was not happened(0 of 18 cases). Inclination of acetabular cup was average 37.5° (range: 31° - 43° ). Average anteversion of the acetabular component was 18.1" by Woo and Morrey method, 11.4° by Hassan method. They were normal range except 3 cases. Dislocation was not prevented even though inclination and anteversion of acetabular cup were within normal range. Soft tissue tension is determined by change of limb and femoral neck length. Average limb length difference was -0.2mm(range; -l0mm - +10mm) and average offset difference was +1.7mm(range;-4mm - +18mm). Revision must be accomplished as soon as possible when limb shortening happen by upward migration of the acetabular component. In conclusion, anteversion of acetabular cup may be most important factor in our cases, so cup position must be fixed in proper position during operation.
C.V.D. 방법에 의한 Cd_0.78Zn_0.22 S박막 성장과 광전기적 특성연구
유상하,이상렬,홍광준,서상석,김혜숙,전승룡,윤은희,문종대 조선대학교 기초과학연구소 1993 自然科學硏究 Vol.16 No.1
We had grown Cd_0.78Zn_0.22S polycrystal thin films on slide substrate using chemical vapour deposition(CVD) method. We measured X-ray diffraction patterns in order to study Cd_0.78Zn_0.22S polycrystal structure. We studied its band gap using transmission curves and photocurrent and also analyzed photoluminescence using configurational coordinate model. We measured Hall effect·on this sample by Van der Pauw method and studied on carrier density and mobility depending on temperature.
서유성,박형근,최형석,김연일,이병일 순천향의학연구소 2002 Journal of Soonchunhyang Medical Science Vol.8 No.2
In case of the occurrence of osteonecrosis at three or more anatomical location, it is defined as multifocal osteonecrosis, but still any king of study with references hasn't been reported in Korea. The patient who had admitted due to the pain in both knee joints, both hip joints and left ankle joint and we diagnosed as multifocal osteonecrosis by using bone scan and magnetic resonance imaging. To relieve right knee joint and left hip joint pain, we perfomed arthroplasty. Here we present one case report of multifocal osteonecrosis through analysis by patient's history and hematologic examination and provide a review of the literature.
徐成燮,黃裕晳 弘益大學校 科學技術硏究所 1995 科學技術硏究論文集 Vol.6 No.-
Four cases of PSA process which includes rinse step following feed step of conventional PSA process were studied with the aim of simultaneous production of two components from gas mixture. Restrictions on PSA process and the effects of pressure, feed concentration and gas velocity on recovery have been obtained from material balances on adsorption column using uncoupled linear isotherms and local equilibrium model. Recoveries of case2 and case4 with no waste were always 1 regardless of variation of Z₂ where two shock waves meet. In other cases, recoveries were dependent on separation factor β, and were 1 for Z₂=1.
정영권,윤유상,서상욱,신동우,김창덕,김경래 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.1
The purpose of this study is to increase the operational efficiency of Tact Planning and Scheduling through effective labor control based on fairly reasonable creation of work area. The main result of the study are as follows: 1) Specific section of work area for electric work lead to no division of zone between internal residence area and bathroom. And designate the work area of each floor so that it would manage labor control effectively. 2) When it comes to equipment work. It set up work area according to "floor" taking account into more frequent unit work comparatively than floor work. The study recommends that. As a future research, eventually aims at establishment of integrated system of labor control Tact Planning and Scheduling by combining respectively divided system into one.