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      • 2P-648 하이드로탈사이트 흡착제 기반 흡착부과 수성가스전이반응을 통한 고순도 수소 생산 반응

        윤형진,김수지,이기봉 한국공업화학회 2017 한국공업화학회 연구논문 초록집 Vol.2017 No.1

        화석연료로 인한 지구온난화 문제가 심화됨에 따라 차세대 에너지 전달체로서 수소 에너지가 각광받고 있다. 수소는 천연 가스 또는 바이오메스의 개질 반응을 통해 생성된 합성 가스의 수성가스전이 반응을 통해 주로 생산되고 있다. 이는 Cu 기반의 촉매 반응이며 반응을 통해 생산된 수소는 이산화탄소와 같은 반응 부산물을 포함하고 있어 PSA와 같은 추가적인 분리정제 기술을 필요로 한다. 하지만 이산화탄소 흡착 기술을 도입하여 수성가스전이반응을 수행할 경우, 수소 생산과 동시에 반응 부산물인 이산화탄소가 흡착제를 통해 제거 되면서 수소 생산 반응을 촉진 시킨다. 이에 따라 고순도 수소 생산 효율을 증가 시킬 수 있다. 이 때 수성가스전이 반응의 효율이 가장 높은 200-400°C의 고온에서의 이산화탄소 흡착제 개발이 중요하며, 이번 연구에서는 Cu 기반의 촉매와 하이드로탈사이트 기반 흡착제를 이용해 흡착부과 수성가스전이반응을 진행하였다. 촉매 및 흡착제의 충전 방식을 달리하여 반응성을 비교해보았고, 최적 흡착제/촉매 비율 및 성형방법, 충전 방식을 도출하여 수성가스전이반응의 효율을 증진시킬 수 있음을 확인하였다.

      • KCI등재
      • KCI등재

        Association of Angiotensin II Type 2 Receptor Gene A1818T Polymorphism with Progression of Immunoglobulin A Nephropathy in Korean Patients

        윤형진,진호준,나기영,채동완,김성권,정우경,이현희,김세중,권영주,김현철,박성배,전은실,양재석,김혜영,이태우 대한의학회 2009 Journal of Korean medical science Vol.24 No.-

        We determined the relationship between the progression of immunoglobulin A nephropathy (IgAN) and the A1818T polymorphism in intron 2 of Angiotensin II type 2 receptor (AT2R) gene, which might play protective roles in the pathogenesis of IgAN. Patients with biopsy-proven IgAN were recruited from the registry of the Progressive REnal disease and Medical Informatics and gEnomics Research (PREMIER) which was sponsored by the Korean Society of Nephrology. A1818T polymorphism of AT2R gene was analyzed with PCR-RFLP method and the association with the progression of IgAN, which was defined as over 50% increase in baseline serum creatinine level, was analyzed with survival analysis. Among the 480 patients followed for more than 10 months, the group without T allele had significantly higher rates of progression of IgAN than the group with T allele (11.4% vs. 3.9%, p=0.024), although there were no significant differences in the baseline variables such as initial serum creatinine level, the degree of proteinuria, and blood pressure. In the Cox’s proportional hazard model, the hazard ratio of disease progression in the patients with T allele was 0.221 (95% confidence interval for Exp(B): 0.052-0.940, p=0.041) compared to that of without T allele. In conclusion, A1818T polymorphism of AT2R gene was associated with the progression of IgAN.

      • KCI등재

        도시주민의 조직형식에 대한 중국공산당의 인식 - ‘天津講話’ 전후의 劉少奇를 중심으로 -

        윤형진 한국중국학회 2019 중국학보 Vol.90 No.-

        Within the CCP leadership, there was no concrete idea about organizing the public outside the party until shortly before the founding of the PRC. The idea of organizing a majority of the city's residents through six types of trade unions was leaning on the rather optimistic prospect of a natural solution to the city's organizational structure if it succeeds in organizing workers. And this prospect was not based on experience and reality, but rather on the principle of 'reliance on the working class' and the perception that the urban population consists of the majority of workers and a small number of capitalists. The origin of the idea of trading union-centered mass organization can be found from the 1930s and a consistent view appears in several factors, but no specific model existed. Thus, even before the founding of the PRC, the direction of organizing urban residents through labor organizations existed, but the form of organization was not specific because the task of maintaining and developing production activities in the city was more urgent for the CCP at the time of the founding, and by comparison, the problems of urban government structure and urban organization were less urgent. Liu Shaoqi's idea of the community organization was very superficial, and was presenting only great direction and prospect. But after 'Tianjin Speeches,' the urban organization was quickly reorganized in accordance with the direction he presented At the time of the founding of the PRC, the organizational situation of the city was the result of the direction led by Liu Shaoqi. His perception and vision served as the starting point for the process of forming the way of organizing the cities of the People's Republic of China. 중국공산당 지도부 내에서는 건국 직전까지도 당 밖의 대중을 조직하는 문제에 대해 구체적인 구상을 가지고 있지 못했다. 6종의 工會를 통해 도시 주민의 대다수를 조직한다는 구상은, 노동자들의 조직화에 성공하면 도시주민의 조직화가 자연스럽게 해결되리라는 다소 낙관적인 전망에 기대고 있었다. 그리고 이러한 전망은 경험과 현실에 기반한 것이라기보다 ‘노동자계급에 의지’한다는 원칙과 도시 인구가 대다수의 노동자와 소수의 자본가로 구성된다는 인식에서 연역된 것이었다. 工會 중심의 군중조직이라는 구상의 기원은 1930년대부터 찾아볼 수 있고 몇 가지 요소에서 일관된 관점도 나타나지만, 구체화된 모델이 존재하지는 않았다. 이렇게 건국 직전까지도 노동자 조직을 통한 도시주민의 조직화라는 방향은 존재했지만, 조직 형태가 구체적이지 않았던 것은 건국 무렵의 중국공산당에게 도시에서의 생산 활동을 유지하고 발전시키는 과제가 더욱 긴급한 것이었고, 그에 비하면 정권 구조라든가 조직 문제는 덜 긴급한 것이었기 때문이다. 劉少奇의 주민조직에 대한 구상은 매우 피상적인 것이었고, 큰 방향성과 전망만을 제시하고 있었다. 그러나 ‘天津講話’ 이후 도시 조직은 그가 제시한 방향에 따라 신속하게 재편되었다. 중화인민공화국 건국 무렵 도시의 조직 상황은 劉少奇가 주도한 방향에 따른 결과였다. 그의 인식과 전망은 중화인민공화국 도시의 조직 방식을 구성해나가는 과정의 출발점이 되었다.

      • KCI등재

        국가지정입원격리병상의 시설별 면적구성에 관한 연구 - 2016년 국가지정입원격리병상 확충사업대상을 중심으로

        윤형진,권순정,Yoon, Hyung Jin,Kwon, Soon Jung 한국의료복지건축학회 2017 의료·복지 건축 Vol.22 No.3

        Purpose: Since the facility guidelines for National Designated Isolation Unit wards(NDIUs) had been edited since 2016, all hospital who want to expand or install NDIU should adapt the new guidelines. Instead of providing area requirement, by the way, only essential or optional facility requirements are suggested except patient bedroom in the guidelines. So, as analyze area and area composition of the NDIUs, it could be expected that this study has a role as an area planing reference for not only NDIU but also another airborne infection isolation room. Methods: For the area analysis, 18 sample hospitals are selected among 2016 year applicants. All rooms in NDIUs are grouped as zones whether those are negative air pressurized or not and programed room or not. At the end, area of the zones are summarized and analysed a relationship between area increase and bed number by both correlation analysis and regression analysis. In addition, department usable and gross area per bed, N/G ratio, G/N ratio, and average area ratio of each zone is calculated. Results: First of all, rooms in none negative air pressurized zone of the NDIUs haven't shown a regular installation so that only those in negative air pressurized zone are targeted for the area analysis. Second of all, patient room unit(0.92) and support area(0.79), by correlation analysis, are correlated with total net area. Patient room unit(0.94) and total net area(0.79) are also shown a correlation with bed number. Department usable area($R^2=0.63$, y=36.278x + 102) and patient room unit area($R^2=0.89$, y= 27.993x - 0.8924) has a relationship with bed number by regression analysis. Average N/G is shown as 0.85 and G/N 1.36. Average area ratio of circulation, doffing area, patient room unit, and support area are 25.4%, 9.1%, 50.9%, and 14.6% in order. Implications: This study is a basic research for exploring the NDIUs guidelines to find resonable evidence to develop it for its practical use. Still, it is possibly expected that the guideline is to be developed by post occupancy evaluation in the area of where minimum requirement or facility grade needs to be defined, and by further studies with various perspectives.

      • SCIESCOPUSKCI등재

        치주조직 유관세포에서의 Nitric Oxide 및 Nitric Oxide Synthetase의 생물학적 특성에 관한 연구

        윤형진,윤동환,유형근,신형식,Yoon, Hyung-Jin,Yoon, Dong-Whan,You, Hyung-Keun,Shin, Hyung-Shik 대한치주과학회 1997 Journal of Periodontal & Implant Science Vol.27 No.4

        Bone remodeling is characterized by the coupling of osteoclast-mediated bone resorption and osteoblast-mediated bone formation. The process is tightly regualted at the local level by an incompletely known netwotk of peptide and non-peptide fators. Nitric oxide(NO), synthesized by nitric oxide synthetase(NOS) from L-arginine, is becoming recognized as an important bioregualtory molecule in a variety of tissue, but little is known about its possible role in periodontal tissue. The purpose of this study is to investigate the expression of nitric oxide synthetase(NOS) in inflamed gingiva and the effects of cytokine on the expression of NOS protein. The expression of NOS in gingival tissue was evaluated by immunohistochemical staining for $NOS_1$, $NOS_2$, $NOS_3$. The effect of cytokine on the expression of NOS in human periodontal ligament cells and osteoblast-like HOS cells by western blot analysis. Further, we studied that NO functions in periodontal ligament cells as a regulatory molecule. PDL cells incubated with NOS inhibitor and donor. The protein expression, type I collagen & non-collagenous protein, nitrate production and cell proliferation were evaluated The results were as follows. 1. $NOS_1$, $NOS_2$, $NOS_3$ was rarely distributed in healthy gingiva, but stronger stained in gingival epithelium, endothelial cells, and mononuclear cells of inflammed gingiva. 2. The cytokine stimulated $NOS_1$, and $NOS_3$ protein were not inducing or inhibitory effect to compared with control in PDL and HOS cells. 3.Incubation of cells with combination of $TNF-{\alpha}$, $IFN-{\gamma}$, LPS result in a time dependant increase in $NOS_2$ expression, reaching a maximal level after 24 hours of stimulation. 4. The osteonectin protein inhibitory effect of NMA, inhibitor of NOS, was reversed by Larginine in dose dependant manner. 5. NMA decreased cell poliferation and nitrate production, but the inhibitory efffect of NMA was also prevented by the NO donor, sodium nitropruiside. These results suggest that exogenously synthesized NO was playing a stimulating effect on cell proliferation or on non-collagenous protein expression. Therefore NO have an important role in mediation of localized bone destruction associated inflammatory bone disease such as periodontitis.

      • KCI등재

        中華人民共和國 도시주민 조직 방식의 형성 ― 건국 초기(1949-1954) 北京의 지역별 주민조직을 중심으로 ―

        윤형진 중국근현대사학회 2014 중국근현대사연구 Vol.63 No.-

        本稿系关于建立中华人民共和国初期形成城市居民组织方式的探索。关于迄今保持下来的中华人民共和国组织国家成员之独特方式, 作为中国共产党组织及展望与以往政权留下的遗产及城市现实结合而成的历史产物来研究。为此, 针对标准化的居民组织--街道居民委员会予以分析。中共接管以后,基层的行政机构经街政府的建立和取消后, 几年保持现状, 居民组织在保甲组织取消后尚未建立统一形式的情况下, 多样的组织同时存在。在此情况下, 出现了新的人群在由“脱产干部”组成的国家机构与不属于工厂、学校、机关等各种“单位”而过上日常生活的北京居民之间予以中介, 他们就是“积极分子”。与以往政权通过居民组织管理城市居民的方式不同, 中共致力于针对远超过坊里长或保甲长范围和整个积极分子群体进行仔细把握及管理。中共以派出所管辖各区域不仅收集及掌握街道积极分子年龄、性别、教育水平、“成分”、职业等个人信息, 还收集及掌握了负责业务、经济情况、业务能力等多种信息, 来系统地管理他们。然而经过3年多时间, 1949年接管时期形成的基层行政机构和居民组织的运营方式露出了很多漏洞, 如民政事务处理方面存在脆弱性, 对少数积极分子的负担过重。 面对这些问题, 从1952年下半年起, 街道居民委员会和街道办事处纷纷成立, 从而逐渐巩固了长期持续的国家机构和居民组织之间的联系方式。国家制作标准居民组织并使用为国家机构工具的方向是中共与之前的政权所共同追求的方向。只不过中共创出的居民组织不仅将居民组织的代表使用为半官性质的存在, 还更广范围的掌握及管理“积极分子”, 实现党组织与行政组织更积极地介入居民社会。在这一点上可以看到与占领期或战后国民政府时期的不同之处。街道居民委员会建立过程中建国以后几年来积累的现有积极分子成为了构成街道居民委员会主要部分。而且这建立过程也是发掘新积极分子的过程。成立街道居民委员会的意义, 还在于使中共的城市居民组织方式由通过职业团体的统筹组织框架改为行业组织和地区组织的两大轴并存方式。

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