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전병권,박성대,임시규,박완 한국산업미생물학회 1993 한국미생물·생명공학회지 Vol.21 No.5
대장균의 온도 감수성 형태형성 변이주 TMM 23(mrdAts)와 TMM 24(mrdBts)는 형태 변이가 일어나는 고온조건하에서 특이적으로 sarkosyl, SDS, Na-DOC와 같은 음이온성 계면활성제에 의해 생육이 저해되었으며 그 작용 약식은 살균적이었다. 각 균주의 변이형에 대한 sarkosyl의 최소생육저지종도 및 최소사멸농도는 동일하였으며 TMM 23에 대해서는 0.1%, TMM 24의 경우는 0.3%이었다. 생육저해작용이 없는 중성 계면활성제 Triton X-100에 의해서는 형태변화에 관계없이 생세포로부터 단백질이 거의추출되지 않았으나, sarkosyl에 의해서는 TMM 23(mrdAts), TMM 24(mrdBts) 모두, 변이형인 구균형의 생세포는 야생형인 간균형에 비해 맣은 양의 단백질이 추출되었다. 또, SDS-polyacryamide gel 전기영동에 의한 막단백질의 분석 결과, 간균형 세포의 외막에 다량 존재하는 주요 외막 단백질들이 구균형의 세포에서는 소량 밖에 보이지 않았으며, 내막의 여러 단백질의 조성의 변화도 관찰되었다. 이는 형태형성 변이주의 막구조에 물리 화학적인 성질의 차이가 있음을 나타내는 것으로 대장균 세포의 형태형성 기구는 peptidoglycan 뿐만이 아닌 내, 외막을 포함하는 세포표층의 전 구조체가 관여하고 있을 가능성을 시사하고 있다. Escherichia coli FmrdAts and mrdBts mutants forming spherical cells at 42℃, were employed to investigate the possible role of both inner and outer membrane structures in the determination of cell shape of gram-negative cells. Spherical cells, but not rod-shaped wild types, were specifically killed by anionic detergents, such as sarkosyl, sodium dodecylsulfate and sodium deoxycholate. From the spherical intact cells grown overnight at 42℃, much more proteins were released by sarkosyl. However, nonionic detergent like Triton X-100 which showed no inhibition of growth of spherical cells extracted little amounts of proteins from spherical intact cells as well as from rod-shaped cells. Analyses of membrane fractions of spherical cells by SDS-polyacrylamide gel electrophoresis showed that there were apparently reduced amounts of major outer membrane proteins and also some changes in the pattern of inner membrane proteins. Based on these results showing the differences in physicochemical properties of the membrane structures of spherical and rod-shaped cells, we suggest that the determination of cell shape in E. coli cells might be associated with both outer and inner membrane structures along with peptidoglycan.
도시단독주택지 저층고밀형 집합주택 모델의 적용에 관한 연구 - 우이동 국민주택단지를 대상으로 -
전병권,Jun, Byung-Kweon 한국주거학회 2011 한국주거학회 논문집 Vol.22 No.3
This study was conducted to investigate the indiscriminate development occuring as a result of high-density land use per lot in residential areas of Seoul, which mainly consist of detached houses. The primary goals of this study were: (1) to suggest a block unit development method as an alternative architectural method of the current uniform development, in which high-rise and high-density apartments are usually built; and (2) to check the feasibility of the suggested method. Based on the analyses of the existing block composition types of residential areas, the prerequisite planning indices for applying a collective housing model were investigated. Subsequent to applying a collective housing type within each unit block, the collective housing model was analyzed. The results of the analyses showed that indiscriminate development was rampant in detached urban houses areas, and more than 70% of the buildings constructed before the 1980s needed re-development. The feasibility of the models was investigated depending on the models of low-rise and high-density collective housing, which utilize various block arrangements such as the court type, linear type, villa type, and composite type. The results of this study showed that the newly applied low-rise and highdensity multiple dwelling housing model in urban individual residential area significantly contributed to creating a good living environment in terms of both physical and psychological aspects.
도시단독주택지(都市單獨住宅地) 단위(單位)블록의 유형화(類型化)와 이의 물리적(物理的) 특성(特性)에 관한 연구(硏究)
전병권,Jun, Byung-Kwun 한국주거학회 2007 한국주거학회 논문집 Vol.18 No.3
To improve the environment of individual residential area, the uniform development of multiple dwellings through site should be avoided. As an alternative to a large scale development of the currently popular high-density and high-rise apartment buildings, which disintegrates and destroys existing communities, a new residential type that is applicable to the individual residential area should be developed. From the new residential type, even for short history of Korea of modem urban residence, a new concept of residence can be formed, changing from the concept of a temporary staying place to the concept of a stable residing place. Also, a gradual improvement that transcends time can be expected, and the present and past appearances can co-exist. This study was conducted to suggest a new residential type with unit blocks that can improve the physical structure of existing individual residential area without destroying the structure. That is, among the factors that comprise the individual residential area, this study will focus on the unit block with a medium role between a site and a mega-block, and will suggest a new concept of residential unit in order not to destroy its physical structure. The physical characteristics of the unit block will also be analyzed.
서울시 수유동 단독주거지의 확장에 따른 주거지 변화특성에 대한 연구
전병권,김형우 대한건축학회 2004 대한건축학회논문집 Vol.20 No.4
This study would analyze, making an independent residential site formed after the Korean War and its surrounding area an object of research, a residential circumstance of a residential area considered in complex plan dimension and of a nearly residential area naturally formed, while laying stress on a transitional aspect, each characteristic and an interrelation. Through analysis of the transitional aspects of these residential circumstances, the researcher obtained the following findings; First, a difference in physical structure of residential area was a fundamental element which determines quality of residential circumstances at the early stage of its formation, but later on it became a favorable condition for new construction activities. Second, from the analysis of a unit lot, it's found that while new construction activity in the public housing complex area was given preference in a lot in which residential circumstance was backward, its surrounding residential area was developed centering around a favorable lot in a given condition for land. Third, though there was a significant difference showing in the composition of road and unit block between the two areas, a discriminating property in the process of resolving the problem of securing receptive spaces following the increase of cars was not found, and with insufficient open space, traditional life mode, in which open external space is centered, was conducted into closed internal one. Fourth, in case of the object area of analysis, positive development of common residence-type housing after the late 1970's from the first generation single housing at the age of constructing the complex was made. From this analysis, the necessity of recognizing the limitations of development mode of existing housing units for the reception of a rapid increase of population and for copying with rapidly changing life mode and for the betterment of physical circumstance has been proposed, and a new alternative idea for the reform of residential circumstances of the complex would be needed.