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이유빈 ( Yu Bin Lee ),이유진 ( Yoo Jin Lee ),최명식 ( Young Sik Choi ),서석교 ( Seok Kyo Seo ) 대한산부인과학회 2012 Obstetrics & Gynecology Science Vol.55 No.6
Perivascular epithelioid cell tumor (PEComa) is a family of rare mesenchymal tumors that include angiomyolipoma, lymphangiomyomatosis and clear cell ``sugar`` tumor of the lung, with distinctive histologic and immunohistochemical features. They can originate in any visceral organ such as kidney, lung, breast, urinary bladder, pancreas, prostate and gastrointestinal tract, and there are few reports of uterine PEComa. Histopathologically, the tumor consisted of nests or sheets of epithelioid cells with eosinophilic cytoplasm and positivity for melanocytic markers (especially HMB-45) plays an important role in the diagnosis of this tumor. Due to their rarity and varied sites and presentation, the biological behavior of PEComa has not yet been documented. We report a case of uterine PEComa confi rmed by immunohistochemical staining and the histopathologic findings with a brief review of the literatures.
윤리적소비 구매 갭(gap) 연구 -윤리적소비 구매의도의 행동전환 가능성을 중심으로 -
이유빈 ( Lee¸ Yoo-bin ),이상훈 ( Lee¸ Sang-hoon ) (사)한국협동조합학회 2021 韓國協同組合硏究 Vol.39 No.2
매우 다양한 영역에 걸쳐있는 윤리적소비는 환경, 건강, 웰빙과 같은 넓은 개념의 용어들을 포함한다. 한국에서도 윤리적소비에 대한 인식이 많이 확산되었으나 소비자들의 윤리적인식과 실천수준은 다르게 나타나고 있다. 이런 현상은 많은 선행연구에서도 ‘윤리적소비 갭’, ‘윤리적 구매의도와 행동 갭’, ‘윤리적소비자 패러독스’ 등으로 제시되고 있다. 선행연구들에 따르면 윤리적소비 갭의 주요 요인들은 가격, 정보의 부족과 정보에 대한 신뢰, 편의성, 윤리적 태도와 인식 등이다. 그러나 이 연구들은 실제 행동이 아닌 구매의도를 측정하는 한계를 가지고 있다. 본 연구는 윤리적소비자의 구매의도와 실제 구매행동 간의 갭 요인을 찾아내고 마케팅믹스를 적용하여 구매 갭을 해소하거나 줄일 수 있는 지점을 제시하고자 하였으며, 이를 통해 윤리적소비자 행동에 대한 이해를 높여냄으로써 향후 윤리적소비 활성화에 도움을 줄 수 있기를 기대한다. 친환경제품 이용자 20명을 대상으로 심층인터뷰를 진행하였고, 분석도구는 델파이 방법과 근거이론을 접목한 GDM(Grounded Delphi Method)을 사용하였다. The concept of ethical consumerism covers broad area and includes various terms such as environmental, health, and well-being. Although the awareness of ethical consumerism has increased in Korea, consumer’s ethical behavior is different from the recognition. In the previous researches, such phenomenon is presented as “Ethical Consumption Gap,” “Ethical Purchase Attitude Gap,” or “Ethical Consumer Paradox.” These studies are found to be the factors generating ethical consumption gap. But they have limitations in terms of measuring the intention of purchase, not actual behavior. The purpose of this study is to find out the gap between ethical purchasing behavior and the purchase intention of ethical products, and to find out the point to resolve or reduce purchasing gap. We interviewed 20 participants who well know about or buy eco-friendly/organic products. The analyzing tool is GDM which combines the Grounded Theory and Delphi. This study will expect to increase more understanding for ethical consumer and promote to ethical consumerism in the future.
홍유빈(Yoo Bin Hong),김문성(Mun Sung Kim),이강욱(Kang Wook Lee),여태정(Tae Jeong Yeo) 한국자동차공학회 2006 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
As far as FMVSS 201(cockpit module safety regulation) is concerned, the car manufacturer is required to satisfy head impact test on various impact points on the Instrument Panel(IP). The number of impact points may vary from 15 to 20 points or even more, and performing Finite Element(FE) analysis is a cumbersome process when it becomes necessary to simulate multiple impacts. The head impact simulation is a recursive process yet it is manually done by human for each impact, costing time and labor. Works described in this paper show how an automated process can replace manual process, yet can produce reliable and consistent outcomes efficiently.
전신홍반루푸스에 동반된 불응성 혈구포식 림프조직구증식증에서 Tocilizumab 치료 1예
유빈 ( Bin Yoo ),오진선 ( Jin Sun Oh ),박진오 ( Jinoh Park ),이나겸 ( Nah Kyum Lee ),배승현 ( Seung Hyeon Bae ),김용길 ( Yong Gil Kim ),이창근 ( Chang Keun Lee ) 대한내과학회 2015 대한내과학회지 Vol.89 No.3
Macrophage activation syndrome (MAS) is a secondary hemophagocytic lymphohistiocytosis caused by autoimmune diseases, such as systemic lupus erythematosus (SLE). It is characterized by fever, cytopenia, coagulopathy, hepatosplenomegaly, elevated liver enzyme, and high ferritin, typically combined with hemophagocytic histiocyte proliferation in the bone marrow. Here, we report a case of MAS in a patient with SLE treated successfully by tocilizumab. She was transferred to our hospital due to persistent fever of unknown origin. Initial blood tests revealed cytopenia, elevated liver enzyme, and high ferritin. Bone marrow histology revealed the presence of hemophagocytic histiocytes. The patient was initially treated with high dose corticosteroids; however, fever and cytopenia were not controlled. Additional treatments with cyclosporine, intravenous immunoglobulin, and rituximab were applied consecutively, but the fever and cytopenia persisted. Symptom resolution was finally achieved following treatment with tocilizumab, resulting in rapid improved of fever, and resolution of pancytopenia within 2 months. (Korean J Med 2015;89:372-376)
유빈 ( Bin Yoo ),최승원 ( Seung Won Choi ),이무송 ( Moo Song Lee ),문희범 ( Hee Bom Moon ) 대한류마티스학회 1996 대한류마티스학회지 Vol.3 No.1
Objective: To evaluate the effects of ketoprofen plaster on knee pain in patients with osteoarthritis who are concomittantly treated with acetaminophen. Mothods: Forty-three patints with knee osteoarthritis were randomized into a double-blind. placebo-controlled trial to receive treatment with either placebo or ketoprofen plaster (Ketotop(R)) applied over painful knee for 4 week. The patients were instructed to apply Ketotop(R) or placebo plaster to more painful knee twice daily. The response to treatment was assessed in 1 and 4 weeks with the use of visual analog scales (VAS) for pain and a categorical pain scale, and physician`s global evaluation. All of the patients continued to receive acetaminophen concomittantly. Results: Significantly more relief of pain was noted in Ketotop(R) treated patients than the placebo treated patients by the end of the study; after four week, Ketotop(R) treated patients demostrated mean reductions in pain of 33%. The reduction in pain was statistically significant in Ketotop(R) group compared with placebo group (p=0.03). According to the physician`s global evaluations. 81% of the Ketotop(R) treated patients experienced a reduction in pain after 4 weeks of treatment compared with those treated with placebo(25%) (p=0.01). No significant adverse effect was noted except mild skin irritation in one case. Conclusions: The application of Ketotop(R) is a safe and effective adjunctive therapeutic modality for the relief of knee pain in patients with osteoarthritis who are treated with acetaminopen.
다양한 cathode flow-field 설계를 통한 H₂O 유지 능력 향상을 위한 passive 공랭식 PEMFC
유빈(Bin Yoo),이남민(Nammin Lee),주현철(Hyunchul Joo) 대한기계학회 2020 대한기계학회 춘추학술대회 Vol.2020 No.12
Two conceptional cathode flow field designs are proposed for preventing serious electrolyte dehydration and overcoming unstable performance issues in PEFC that are air-cooled passive type. In one design, porous metal foam is selectively inserted into the parallel channels in contact with the cathode gas diffusion layer to suppress water transport from the cell, and the other one has a smaller cathode inlet area to reduce the amount of reactant air entering the MEA. Compared with a conventional parallel flow-field configuration, the metal foam based design results in better water retention in the MEA when excess dry air is supplied. Furthermore, it shows more uniform distributions of species, temperature, current density, and higher cell performance. The modification of the cathode inlet area has a relatively small influence on performance of the fuel cell. This study presents a new strategy for designing the cathode flow field for the optimal operation of passive air cooled fuel cells.
언어네트워크분석을 활용한 지역특화컨벤션 이해관계자의 인식 연구
서유빈 ( Seo Yu-bin ),이혜련 ( Lee Hey-ryon ),윤유식 ( Yoon Yoo-shik ),김미성 ( Kim Mi-seong ) (사)한국마이스관광학회(구 한국컨벤션학회) 2020 MICE관광연구 Vol.20 No.1
The convention industry has been continuously expanding its own area. However, in Korea, regional characteristics and infrastructure differences have resulted in disproportionate regional developments. In this context, the project to cultivate local conventions has begun to attract attention. Although the project was carried out by the Korea Tourism Organization since 2012, there is a very lack of research on this. This study aimed to reveal the current status and problems of the project and provide activation directions. For achieving the goal, the semantic network analysis was conducted based on 33 stakeholders interview data who are related to regional specialized conventions. From the results, improving the sustainability of human resources and budget is the main issue for the future development of regional conventions. Also, it laid the theoretical basis for research related to regional conventions and derived academic implications for expanding the breadth of research.