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      • KCI등재

        SCUBA 다이빙 운동시 수온환경이 면역글로불린(lgG, lgM, lgA)에 미치는 영향

        조우형,우재홍,박익렬 한국운동과학회 2004 운동과학 Vol.13 No.2

        조우형, 우재홍, 박익렬. SCUBA 다이빙 운동시 수온환경이 면역글로블린(IgG, IgM, IgA)에 미치는 영향. 운동과학, 제13권 2호, 241-250, 2004. 본 연구의 목적은 SCUBA 다이빙운동시 수온환경(겨물환경:7℃, 여름환경:25℃)이 면역글로블린(IgG, IgM, IgA)에 미치는 영향을 규명하는데 있다. 본 연구는 SCUBA 다이버 10명중 체력수준이 비슷한 8명을 대상으로 하였다. 모든 피험자는 HR-VO₂max 60%의 강도로 7℃환경과 25℃환경에서 SCUBA 타이빙을 실시하였으며, SCUBA 다이빙 운동 중 3가지 시점(운동 전, 운동 직후, 회복기 60분)에 걸쳐 채혈하였으며, 채혈된 혈액을 통해 면역글로블린을 분석한 결과는 다음과 같다. 수온환경간 혈청 IgG 반응을 알아본 결과, SCUBA 다이빙운동 전에는 유의한 차이가 없었으나, 운동 직후(p<.05)와 회복기 60분에는 유의한 차이가 있었다(p<.01). 혈청 IgM는 운동 전에는 유의한 차이가 없었으나, 운동 직후에는 유의한 차이가 나타났으며(p<.01), 회복기 60분에는 유의한 차이가 없었다. 혈청 IgA는 운동 전에는 유의한 차이가 없었으나, 운동 직후와 회복기 60분에도 유의한 차이가 있었다(p<.05). 7℃환경에서 측정시기간 면역글로블린 반응을 분석해본 결과, 운동 전과 운동 직후 및 운동 전과 회복기 60분의 IgG, IgA에 유의한 차이가 있었다(p<.05). 그러나 25℃환경에서 측정시기간 면역글로블린 반응을 분석해본 결과, 유의한 차이가 없었다. 결론적으로 이상의 결과를 종합해 볼때 7℃환경에서 SCUBA 다이빙운동을 실시한 경우 저온환경으로 인한 체온감소와 면역글로블린(IgG, IgA)이 증가한 반면, 25℃환경에서는 면역글로블린의 유의한 변화가 없었다. 따라서 심각하게 낮은 수온환경(7℃환경)에서 SCUBA 다이빙을 실시한 경우 인체의 항상성 교란과 함께 인체 면역글로블린의 반응이 크게 나타남을 알 수 있었으며, 이에 따른 SCUBA 다이빙운동이 계획되어야 할 것으로 사료된다. Cho, W.H., Woo, J.H., Park I.R. The Effect of Water Temperature on Immunoglobulin response during SCUBA driving. Exercise Science, 13(2): 241-250, 2004. The purpose of this present study was to investigate the effect of water temperature on immunoglobulin response during SCUBA diving. Eight male SCUBA divers were used as subjects. All subjects completed acute treadmill running until exhaustion. After exhaustive treadmill exercise, HR-60% VO₂max was found out. SCUBA diving was performed HR-60% V0₂max speed in each water temperature(7℃ and 25℃). Then Blood samples were assayed in all three times(Before SCUBA diving, After SCUBA diving, After 60 minutes resting). After finishing the analysis of Immunoglobulin concentration, statistical analysis is carried out by Paired Sample T-test and One-Way ANOVA. The results can be sumarized as follows; IgG was not meaningfully changed in both groups before SCUBA diving, whereas it was significantly changed in both groups after SCUBA diving(p<.05) and until 60 minutes resting after SCUBA diving(p<.01). IgM was not meaningfully changed in both groups before SCUBA diving, and it was not significantly changed in both groups until 60 minute resting after SCUBA diving. However, it was significantly changed in both groups after SCUBA diving(p<.05). IgA was not meaningfully changed in both groups before SCUBA diving, whereas it was significantly changed in both groups after SCUBA diving and until 60 minutes resting after SCUBA diving(p<.05). SCUBA diving meaningfully increased Immunoglobulin(IgG, IgA) in 7℃ water temperature(p<.05). SCUBA diving did not significantly increase Immunoglobulin(IgG, IgM, IgA) in 25℃ water temperature. It would be concluded that SCUBA diving significantly increased Immnunoglobulin(IgG, IgA) in 7℃ water temperature, but it did not significantly change immunoglobulin(IgG, IgM, IgA) in 25℃ water temperature.

      • KCI등재후보

        미세각막절삭기를 이용한 라식 수술 시 각막절편 두께에 영향을 미치는 수술 전 인자

        조우형,이동초,장무환,Woo Hyung Cho,Dong Cho Lee,Moo Hwan Chang 대한안과학회 2006 대한안과학회지 Vol.47 No.4

        Purpose: To identify factors that may be related to variations in corneal flap thickness in LASIK using the Moria M2 microkeratome. Methods: The charts of patients having LASIK based on steep keratometry nomogram using Moria M2 microkeratome (head : 110 ?m) and excimer laser (VISX STAR S2, USA) in our department of ophthalmology from March, 2003, to May 2005, were reviewed retrospectively. A total of 195 eyes were enrolled in the investigation. We analyzed relationship between corneal flap thickness and preoperative factors including central corneal thickness, steep keratometer, corneal diameter, suction ring using multiple regression analysis. Results: Mean corneal flap thickness was 119.37±21.21 ?m. There was a statistically significant positive correlation between flap thickness and central corneal thickness (p<0.05). No correlation was found between flap thickness and other preoperative factors including steep keratometer, corneal diameter and suction ring. Conclusions: Mean corneal flap thickness using the Moria M2 110 ?m head was 119.37±21.21 ?m, little thicker than our expectation. When surgery is performed based on steep keratometry nomogram using Moria M2 microkeratome, if intraoperative factors are excluded, there is a trend toward thicker flap thickness with thicker central corneal thickness, whereas steep keratometer, corneal diameter or suction ring have no influence on flap thickness.

      • KCI등재후보

        1시간이상 떨어진 다발성 망막열공에 의한 망막박리 환자에서 기체망막유착술을 시행한 3예

        조우형,이동초,장무환.Woo-Hyung Cho. M.D.. Dong-Cho Lee. M.D.. Moo-Hwan Chang. M.D. 대한안과학회 2005 대한안과학회지 Vol.46 No.12

        Purpose: To determine the effects of performing pneumoretinopexy in patients without the conventional indication of pneumoretinopexy but with rhegmatogenous retinal detachment by multiple retinal tears separated over 1 hour in distance. Methods: Three patients with rhegmatogenous retinal detachment by multiple retinal tears separated over 1 hour in distance from November 2003 to December 2003 were the subject of this study. Treatment records of the patients were examined retrospectively. In one case, when performing pneumoretinopexy, 0.5 cc of vitreous was aspirated followed by an injection of 0.8 cc SF6 gas. In the other two cases, after injecting 0.5 cc of SF6 gas, one retinal tear was adhered in the proper position. Then, sequential retinal adhesion was attempted by changing the position. Results: In all three cases, anatomical retinal adhesion was maintained, and visual acuity functionality was improved. Conclusions: Both sequential retinal adhesion by changing the position and performing pneumoretinopexy after vitreous aspiration are successful method of retinal adhesion. Therefore, pneumoretinopexy can be used as an effective medical treatment in patients with rhegmatogenous retinal detachment by multiple retinal tears separated over 1 hour in distance.

      • Saccbaromyces fragilis sp 를 利用한 알콜 醱酵乳 製造에 관한 硏究

        趙佑衡 건국대학교 1988 論文集 Vol.27 No.2

        In order to development a new fermented milk, this experiment was carried out investigating of the pH, Viable cell count, Ethanol content inoculated with sacch, fragilis strain C1, C2 and C3 incubated at 30℃ for 10 days. The reuslts are follows. 1. The pH of the strain C1, C2 and C3 on the 10% recovered skim milk and facto milk for 10 days of culture decreased until 2th day and then increased steadly, and decreased again on the 10 th day. 2. The Viable cell count of the strain C1 and C2 on the 10% recovered skim milk increased until 10th day (3.51×1011, 4.36×1011), the strain C3 showed the highest on the 6th day (7.02×1010), While the strain C1 and C2 on the facto milk showed the highest on the 6th day (1.29×1011). 3. The Ethanol content of the strain C1, C2 and C3 of the 10% recovered skim milk and lacto milk showed the most on the 2th day and the strain C2 showed the most of 2.75% amount the strain C1, C2 and C3.

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