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권건영,장은숙,주일,김정식,전영준,손수인 啓明大學校 醫科大學 1990 계명의대학술지 Vol.9 No.3
Sarcoidosis is a multisystem granulomatous disease of unknown cause, characterized by enhanced cellular immune process at the sites of involvement. Three Cases of sarcoidosis involving vilateral hilar lymph nodes, skin and lungs were presented. Each case was confirmed by characteristic non-caseating granuloma in biopsied thoracic lymph nodes and skin. They had abonormal pulmonary function test, elevated serum angiotensin converting enzyme, hilar and mediastinal lymphadenopathy and compatible clinincal features of sarcoidosis.
권건영 啓明大學校 醫科大學 1996 계명의대학술지 Vol.15 No.1
Immunocytochemistry at the electron microscopic level has allowed the distribution of antigens in the cellualr system to be examined. In transmisson immunoelectron microscopy, two different approaches have been used, i, e., preembedding or post-embedding methods, depending on whether labeling is carried out before or after the embedding process, respectively. The good preservation and expression of the antigenic molecules in the tissues are most important in the ultrastructural immunocytochemistry. A low temperature resin, Lowicryl K4M for postembedding method is frequently used in many immunoelectron microscopic laboratories. Periodate-lysine-paraformaldehyde(PLP) fixed tessues are dehydrated and embedded at -20℃ in a hydrophilic resin, Lowicryl K4M. The resin is easy to section and a good embedding material for preservation of antigenicity in the tissues. Immunogold labelling technique marks localization of antigenic molecules in the subcellular level. In the scanning immunoelectron microscopy, a silver-enhancing technique can well express the antigenic immunogold partickes using smaller gold probes(15mm) in the standard scanning electron microscopy.
권영옥,김동권,민춘기,이용인,전종귀,진윤수,홍성표 忠南大學校體育科學硏究所 1995 體育科學硏究誌 Vol.13 No.1
The purpose of this study was analyze children's Physical Fitness and basic rate by observing the change in the heart rate of the 1230 children of five of six years of age. Following conclusions were obtained The muscular strength was relatively low according to places. And the muscular strength of boys was higher than that of girls. The flexibility of girls was higher than that of boys according to places and sexes. The muscular endurance, power, balance and agility of boys were higher than those of girls according to places and sexes. Thus the development of physical fitness was improved with their ages, the physical fitness for physique seemed rather low. So the programs of physical plays for children's physical fitness ought to be developed and physical play showed to be done at kindergarten school.
유산소 운동 능력의 차이가 점증최대운동부하 후 피로회복과정에 미치는 영향
송영주,권대근,성동진,황정윤,박천조,김춘우 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.20 No.1
This study was conducted to investigate the effects of aerobic capacity on blood lactate changes after supramaximal progressive loaded exercise. The subjects were divided into Handball players(HB, n=6)group and Control(CT, n=6)group. All subjects exercised according to the protocol by bicycle erogometer. Blood lactate concentration was also measured during the test time. The RER values of CT group were relatively higher than that of HB group. In particular, the RER values of HR group at exercise 8 & 12min were significantly lower than that of CT group(P<0.05). The blood lactate concentration of HB group was significantly lower than that of CT group at 12min during the exercise(P<0.05). During the recovery times the blood lactate concentration of HB group were significantly lower than that of CT group. In addition, blood lactate clearance of HB group was also higher than that of CT group during the recovery time. From these results, it was suggested that lactate clearance during the supramaximal exercise may be affected by the level of endurance exercise performance.
규칙적인 유산소운동이 흰쥐골격근의 SOD 및 CS활성에 미치는 영향
송영주,권대근,장창현,김승권 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.2
The effects of regular endurance exercise on superoxide dismutase and citrate synthase activity for the soleus and extensor digitorum longus muscles in rats that underwent swimming training for 12 weeks were examined. The correlation between Mn-SOD activity and citrate synyhase activity of the soleus were also examined. Sixteen male rats were randomly divided into 2 groups: SC (sedentary control group) and ET (exercise trained). The blood glucose and total cholesterol level of ET group were significantly lower than those of SC group(p<0.05). The mitochondrial citrate synthase activity of the soleus muscle for the ET group was significantly higher than those for SC rats(p<0.05). However, the correlation between citrate synthase activity and Mn-SOD activity of the soleus was very low. For the conclusion, mitochondrial antioxidant enzyme activity showed low correlation with the endurance exercise performance. However, endurance exercise showed significant improvement in the biochemical indices related aerobic performance and mitochondrial antioxidant enzyme activity.
단위역률로 동작하는 3상 PWM AC/DC Boost 콘버어터에 관한 연구
천창근,권영안,김철우 부산대학교 1994 生産技術硏究所論文集 Vol.47 No.
Power factor correction and harmonics reduction are important factors in the control policy of AC/DC power converter. This paper investigates 3-phase PWM AC/DC Boost converter in which the unity power factor is realized with a rapid control of output voltage. Instantaneous voltage control is performed for unity power factor through sinusoidal PWM method in this paper. The result of computer simulation and experiment indicates not only the unity power factor and harmonics reduction, but also the rippleless output voltage. AC/DC 전력변환장치에서 역률개선 및 고조파 감소는 기기의 효율적 이용 및 에너지 절약관점에서 매우 중요하다. 본 논문에서는 3상 AC/DC Boost 콘버어터에서 신속한 출력전압조정과 동시에 전원측의 상전류를 상전압과 동위상이 되도록 하는 단위역률운전에 관하여 연구하였다. 단위역률운전을 위하여 전류센서가 필요없는 순시전압제어를 수행하였으며 PWM 방식으로서 구현이 용이한 정현파 PWM 방식을 이용하였다. 그리고 시뮬레이션 및 실험을 통하여 단위역률 운전결과를 제시하였으며 고조파 분석결과 및 출력직류전압의 리플감소에 관한 결과도 제시하였다. 또한 실험을 통하여 3상 다이오우드 콘버어터와 상호비교도 수행하였다.
만성 견비통에 대한 동씨침 치료의 무작위 대조군의 임상 연구
김찬영,권나현,신예지,남동우,김건형,김종인,최도영,이윤호,이재동 WHO COLLABORATING CENTRE FOR TRADITIONAL MEDICINE 2007 東西醫學硏究所 論文集 Vol.2007 No.-
Objectives : To observe the effect of acupuncture treatment in chronic shoulder pain patients. Methods : 36 voluntary patients were randomly assigned to an acupuncture treatment group(E GrouP, n=18) and a control group(C GrouP, n=18). The E Group patients received acupuncture treatment on LI_(15), TE_(14), GB_(21) and Master Dong's acupuncture points, Shin-gwan and Gyun-joong, twice a week for four weeks. The C Group patients received no treatment. All patients in both groups were instructed to practise self exercise in their daily lives. Evaluations were made at baseline and after four weeks of study. The Constant Shoulder Assessment(CSA), Shoulder Pain and Disability Index(SPADI) and the patient's subjective pain was measured by Visual Analogue Scale(VAS). The obtained data was analyzed. Results '. The E Group showed significant(p<0.05) improvement in CSA, SPADI and VAS after four weeks of treatment. The C Group showed significant(p<0.05) improvement in CSA, but the change of SPADI and VAS was insignificant(P>0.05). CSA and SPADI of E Group significantly(p<0.05) improved compared to the C GrouP, but the difference of VAS change in the two groups was insignificant(p>0.05). Conclusions : Four weeks of acupuncture treatment significantly improved CSA, SPADI and VAS. The improvement of CSA and SPADI was significant(p<0.05) compared to untreated patients.