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손경선(Son, Kyoungsun),김찬룡(Kim, Chanryong) 한국스포츠사회학회 2021 한국스포츠사회학회지 Vol.34 No.3
본 연구는 요가참여자의 요가참여를 통해 형성된 사회자본이 삶의 질에 어떠한 영향을 미치는가를 규명하기 위하여 수행되었으며, 연구대상은 B광역시 소재 요가센터에서 수련하고 있는 성인 300명을 편의추출법(convenience sampling)을 이용하여 수집하였다. 자료수집은 설문지를 활용하였으며, 자료분석은 SPSS/PC 25.0버전을 이용하여 탐색적 요인분석, Cronbach’s α, 빈도분석, 단순회귀분석(simple regression analysis), 다중회귀분석(multiple regression analysis)을 실시하였으며, 도출된 결론은 다음과 같다. 첫째, 요가참여자의 참여경력은 사회자본 하위요인 중 신뢰에 부정적인 영향, 네트워크에 긍정적인 영향을 미치는 것으로 나타났다. 둘째, 요가참여자의 참여경력은 신체적 삶의 질, 경제적 삶의 질, 관계적 삶의 질에 긍정적인 영향을 미치는 것으로 나타났다. 셋째, 요가참여를 통해 형성된 신뢰는 신체적 삶의 질에 긍정적 영향을 미치는 것으로 나타났고, 호혜성은 경제적 삶의 질과 관계적 삶의 질에 긍정적 영향을 미치는 것으로 나타났고, 네트워크는 신체적 삶의 질, 경제적 삶의 질, 정서적 삶의 질에 긍정적 영향을 미치는 것으로 나타났다. The purpose of this study is to empirically investigate ’the effect of social capital of yoga participants on the quality of life’. For this purpose, data from 300 valid samples were used for analysis using convenience sampling among adult training at a yoga center in B city. The composition of the questionnaire used in this study consisted of 5 questions about demographic characteristics, 13 questions about social capital, and 13 questions about quality of life. As for the data analysis method for hypothesis testing, exploratory factor analysis, simple regression analysis, and multiple regression analysis are performed using SPSS/PC version 25.0. The conclusions of this study were as follows; First, the participation experience of yoga participants was found to have a negative effect on trust and a positive effect on the network among the sub-factors of social capital. Second, the participation experience of yoga participants was found to have a positive effect on physical quality of life, economic quality of life, and relational quality of life. Third, trust formed through yoga participation was found to have a positive effect on physical quality of life, reciprocity was found to have a positive effect on economic and relational quality of life, and networks was found to have a positive effect on economic quality of life and emotional quality of life.
손경선(Kyoungsun Sohn),강동포(Dongpo Kang),이호도(Hodo Lee),이규환(Guewhan Lee),김대업(Daeup Kim) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In recent days, aluminum alloys are used for automotive chassis parts construction in order to get weight reduction. Gravity casting among various aluminum casting processes is regarded to have good merit to make complex parts at a lower price and this makes increasing number of car-makers adopt the process for various chassis parts like control arms, knuckles and subframes. In this study, we've tried to develop a hybrid subframe using gravity hollow type sand casting process. FE-calculations for design optimization and casting simulation for process optimization were carried out. Samples cast with A356.0 alloy were tested after T6 heat treatment. Not only mechanical properties of the cast part but actual durability tests were also conducted in a module system to evaluate the acceptance for car application.
손경선(Kyung Sun Son),조해정(Hai Jeong Cho),김애경(Ae Kyoung Kim),이종진(Jong Jin Lee),한표성(Pyo Seong Han),김주옥(Ju Ock Kim),김선영(Sun Young Kim) 대한내과학회 1995 대한내과학회지 Vol.48 No.4
N/A Objectives: EGFR is a transmembrane molecule and is characterized by tyrosine protein kinase activity and ligand-stimulated autophosphorylation. It was found in various cell types including fibroblast and keratinocytes. EGFR appears to have an important role in the development and proliferation of certain human malignancies, including those of neuroglia, bladder, and breast. The heterogeneity of EGFR expression is known to be related with proliferating fraction, histological grade, and susceptibility of anti- cancer drugs, etc. We investigated the biologic significance of the expression of EGFR in lung cancer tissues. Methods: The expression of EGFR was assessed immunohistochemically on paraffin imbedded lung cancer tissues including 28 primary sites with 16 lymph nodes using monoclonal antibody and indirect peroxidase technique. Results: 1) EGFR expression of primary tumor in squamous cell carcinoma was higher than in the others. 2) EGFR expression of primary tumor in stage III was higher than in stage I and stage II. 3) EGFR expression rates of primary and metastatic sites were 60.7% and 61.1%, respectively. No significant difference between primary site and metastatic one was noticed. 4) EGFR expression rates in primary tumor with metastasis was 64.7% and without metastasis was 54.5%. 5) EGFR expression rates of lung cancer by nodal stage were 50% in N1 and 60% in N2. But significant difference among nodal stages was not noticed. 6) EGFR expression rates of lymph nodes according to EGFR positivity of primary tumor were 50% in lymph nodes that have negative steins in lungs and 60% in lymph nodes that have positive stains in lungs. 7) No significant difference in 12-month survival between positive group and negative group was noticed. Conclusion: EGFR expression of routinely processed tissue is a simple technique for the assessment of cell growth and terminal differentiation in non small cell lung cancer. Whether EGFR expression has an independent prognostic value and deserves special attention in pathobiological evaluation in lung cancer remains to be investigated from large series with longer follow - up and to be correlated with multiple biological markers.
전층각막이식술 후 이식편 실패가 온 환자에서의 데스메막내피각막이식술
손우영(Woo Young Son),하민지(Min Ji Ha),황웅주(Woong Joo Whang),변용수(Yong-Soo Byun),황형빈(Hyung Bin Hwang),나경선(Kyung Sun Na),노창래(Chang Rae Rho),이현수(Hyun Soo Lee),정소향(So Hyang Chung),김은철(Eun Chul Kim),조양경(Yang Kyu 대한안과학회 2021 대한안과학회지 Vol.62 No.6
목적: 전층각막이식술(penetrating keratoplasty) 후 이식편 실패가 온 환자에게 이차적으로 데스메막내피각막이식술(Descemet membrane endothelial keratoplasty, DMEK)을 성공적으로 시행한 1례를 보고하고자 한다. 증례요약: 46세 남자 환자는 양안 원추각막으로 30년 전 우안 전층각막이식술, 14년 전 좌안 전층각막이식술을 받고 경과 관찰하던 중 1년 6개월 전부터 좌안 이식편 실패로 좌안 시력이 서서히 감소하였다. 좌안 이식편 실패에 대해 이차 각막이식술로 데스메막내피각막이식술을 시행하였다. 수술 후 13일째 각막 비측 1/4의 이식편이 분리되어 있는 것이 발견되어 1차례 추가적인 공기주입술을 시행하였다. 수술 후 8달째 환자는 나안시력 0.5까지 확인되었으며 각막은 투명한 상태로 이식편 거부반응 없이 잘 유지되고 있다. 결론: 전층각막이식술 후 이식편 실패가 온 환자에서 이차적인 각막이식술로 데스메막내피각막이식술을 성공적으로 시행하였고 결과도 양호하였다. Purpose: To report a case of a successful secondary Descemet membrane endothelial keratoplasty in failed penetrating keratoplasty. Case summary: A 46-year-old male with keratoconus in both of his eyes underwent penetrating keratoplasty in his right eye 30 years ago and in his left eye 14 years ago. From one and a half year ago, the patient’s visual acuity decreased in his left eye due to graft failure. For treatment, secondary Descemet membrane endothelial keratoplasty was performed. Partial detachment of Descemet membrane was observed at 13 days after the operation, and an additional air injection was performed. At 8 months after the operation, the patient’s uncorrected visual acuity improved to 0.5 and the cornea maintained its clearance without rejection. Conclusions: Secondary Descemet membrane endothelial keratoplasty was successfully performed in a patient with failed penetrating keratoplasty.