김치유래 젖산균의 균체지방산 분석을 이용한 분류학적 연구

이정숙,정민철,김우식,이근철,김홍중,박찬선,이헌주,주윤정,이근종,안종석,박완,박용하,민태익 한국미생물생명공학회 ( 구 한국산업미생물학회 ) 1996 한국미생물·생명공학회지 Vol.24 No.2

표준균주를 포함한 230여개의 김치유래 젖산균에 대한 균체지방산(FAMEs)을 분석하였다. FAMEs profiles는 Euclidian Distance 17.5에 의해 7개의 Major Cluster와 1개의 Single Cluster로 나뉘어졌다. 이중 A, B, C 및 Cluster는 Leuconostoc속으로 분석되어졌고, F는 Lactobacillus속으로 분석되어졌다. 그리고 E와 G cluster는 두개의 Genus가 혼재되어 나타났으며 보충적인 연구가 필요하다. 앞으로 김치유래 젖산균의 균체지방산 분석결과를 기반으로 한 데이타베이스에 95가지 탄소원을 이용하는 수치분류학적 접근방법 및 Pyrolysis Mass Spectrometry 등의 화학적 분석 방법과 분자친화적 연구를 통한 종합적 분류정보 체계가 갖추어지면 젖산균의 신속, 정확한 동정 및 연구에 활발히 이용되어질 것이다. Two hundreds and thirty lactic acid bacteria, mostly isolated from Kimchi, including type strains were sued for analysis of cellular fatty acids. The 230 test strains were recoverd in 7 major and 1 single clusters defined a Euclidian distance of 17.5. These aggregate taxa were equivalent to the genus Leuconostoc (aggregate group A, B, C and D), and the genera Leuconostoc and Lactobacillus (aggregate group G). It is concluded as evident that FAMEs (Fatty Acid Methyl Esters) profile of cell can be used as a criterion in classification of lactic acid bacterial from kimchi. Additional comparative taxonomic studies need to be carried out on well chosen representative strains to determine the most appropriate methods of value.

여행업문화가 조직유효성에 미치는 영향에 관한 연구

이선희,이용근 문화관광연구학회 1999 문화관광연구 Vol.1 No.1

ABSTRACTAn Influence of Travel Agency's Culture on Organizational Effectiveness Sun-Hee Lee·Yong-Keun Lee The Effects of corporate culture on the organizational effectiveness and/or corporate competitiveness have been widely recognized and discussed among both the incumbent managerial and the academicians of economics and sociology in recent years. The purpose of this study is to review the functions of the corporate culture and to examine the factors of the corporate culture among the travel agencies.The present study starts with a conceptual review of the corporate culture. The characteristics of corporate culture is shaped usually with the two major elements; the styles of management and decision-making of the top managerial and the subculture of the employees. Each of the four components of Corporate culture is operationalized as follows; ① tough-guy, macho culture, ② work hard, play hard culture, ③ bet-your-company culture, ④ process culture. These four components of corporate culture become the independent variables while the recognition of environment becomes the dependent variables in the analytical model proposed in this paper. The recognition of environment such as danger and feed-back speed is divided into pre-IMF and post-IMF.Some results of the findings are as follows: First, before IMF, as the danger is recognized low and feed-back speed fast, the corporate culture is shown as work hard, play hard culture. Second, after IMF, as the danger is recognized high and feed-back speed fast, the corporate culture is shown as tough-guy, macho culture.

위암 환자의 복강내 투여를 위한 Activated Charcoal-Alginate Bead 제형으로부터 Mitomycin C의 용출 거동

이진호,최선웅,서중기,김동민,정경수,오정연,김진향,노승무,민병무,김용백,김창식,박근성,강대영,송규상,양준묵,조준식,정현용,김학용,인현빈 충남대학교 의과대학 지역사회의학연구소 1998 충남의대잡지 Vol.25 No.1

Locoregional recurrence is the most common type of recurrence in surgical operation of gastric adenocarcinoma, and peritoneal dissemination is one of the most difficult problems in advanced gastric adenocarcinoma treatment. Because the peritoneal cavity is the most common site of the first recurrence after gastric cancer resection, intraperitoneal chemotherapy seems a logical choice for cancer chemotherapy. In this study, Mitomycin C (MMC)-activated charcoal (CH)-alginate (ALG) beads were prepared by the mixtures of CH particles adsorbed with MMC as an anti-cancer drug and aqueous alginate solution. The alginate is recognized as biodegradable, nontoxic, and biocompatible. The release of MMC from the beads in 0.1 M Tris buffer was stable and continuous until about 1 week. The MMC-CH-ALG beads can be applied in the peritoneal cavity for intraperitoneal chemotherapy since they provide a good adhesiveness on the tissue and controlled release pattern of the drugs.

인슐린 비의존성 당뇨병에 동반된 심상성 천포창 1 례

이상준,박진용,임태형,윤영호,권순대,남창욱,허규찬,박근용,구본식,김상표,장종억 啓明大學校 醫科大學 1997 계명의대학술지 Vol.16 No.3

저자들은 인슐린 비의존형 당뇨병 환자에서 통증성 구강내 미란 및 전신성 수포성 미란을 동반한 심상성 천포창 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Various skin conditions such as diabetic dermopathy, necrobiosis lipoidica diabeticorum, bullosis diabeticorum, granuloma annulare occur frequently in diabetes, although common lesions may be associated by chance. Pemphigus vulgaris(PV) is a blistering skin disease seen predominantly in elderly patients. This disorder is characterized by the loss of cohesion between epidermal cells with the resultant formation of intraepidermal blisters. These blisters rupture easily, leaving denuded areases that may crust and enlarge peripherally. In half or more of patients, lesions begin in the mouth: approximately 90% of patients have oromucosal involvement at some time during the course of their disease. But the relationship of this disorder with diabetes is not clear. We experienced a case of pemphigus vulgaris associated with NIDDM in 67 years old woman who was admitted due to painful oral ulcer and control of blood glucose, so we present this case with a review of literatures.

Overlay 기반의 WiBro와 WLAN 이종망 연동을 위한 Vertical 핸드오버 구현 및 성능 측정에 관한 연구

이재호,류형근,강선무,이재용,김승천 한국정보사회진흥원 2007 정보화정책 Vol.14 No.3

유비쿼터스 사회를 위한 미래 네트워크는 다양한 이종 무선망이 혼합된 형태가 될 것으로 예상되고 있다. 본 논문에서는 개별 무선망의 특징을 최대한 활용하여 1,270,000㎡ 면적의 KAIST(Korea Advanced Institute of Science and Technology) 대학교 캠퍼스에 IEEE 802.16e/WiBro와 IEEE 802.11/WLAN 를 복합적으로 설치하여 건물외부에서는 WiBro, 건물내부에서는 WLAN으로 자동 스위칭 되는 Vertical 핸드오버 System을 구축하고 이동 성능을 분석하였다. 이종망 통합 과정에서 제조사 및 통신사업자의 사정으로 인하여 Mobile IP를 지원하지 않는 라우터들이 존재하였고, 특히 현재 WiBro에 사용되는 ACR(Access Control Router)은 Mobile IP를 지원하지 않기 때문에 이를 해결하기 위하여 Overlay 기반의 Mobility 기법을 적용하였다. 본 연구에서는 실제로 대규모 통신망을 구현하고, 이에 대한 성능시험을 시행한 후 handover delay 시간 분석을 통한 현장 적용 가능성 및 개선 필요사항을 도출하였다. 그 결과 이종망간 핸드오버 시간은 평균 2.58초로써 일반 데이터 서비스는 이종망간 연속성이 보장됨을 확인하였고, 음성∙영상과 같은 실시간 서비스는 중간에 지연시간이 발생하나 응용서비스 세션 자체는 유지됨을 확인하였다. The future network is forecast with the fact that the form where the various heterogeneous wireless networks. In this paper we build both IEEE 802.16e/WiBro and IEEE 802.11/WLAN network on the KAIST(Korea Advanced Institute of Science and Technology) campus(1,270,000m2) as well as established the vertical handover system which supported WLAN in the building and WiBro outside the building. A Mobile IP is considered for the efficient vertical mobility function in IEEE 802.16/WiBro and IEEE 802.11/WLAN environment. However, during the deployment of WiBro, only some of the ACRs(Access Control Router) can support the Mobile IP function. Therefore, WiBro network can not support the mobility function for the mobile node. In this paper, we implement an overlay-based Mobile IP function and measure the performance through a field trial. Moreover, we evaluate the possibility of commercial deployment and suggest areas that need to be improved. The average handover time between WiBro and WLAN was 2.58 seconds. As a result, the user application session maintained but real time applications were delayed during the handover time.

除草劑의 種類와 施用量 및 플라스틱 필름 멀칭이 雜草發生과 고추의 收量 및 生育에 미치는 效果

李政明,曺哉銑,崔根元 경희대학교 부설 식량자원개발연구소 1983 硏究論文集 Vol.4 No.-

Studies were conducted to investigate the effect of Lasso [Alachlor: 2-Chloro-2’6’-dimethyl-N-(methoxymethyl) acetanilied] on mulched and nonmulched hot pepper field. Lasso treatment greatly inhibited weed growth and the granular formulation was more effective than emusifiable concentrate in controlling weed growth in both mulched and nonmulched plots. Lasso effect was not apparent about 50 days after treatment. The growth of pepper plant was greatly promoted by mulching and yield of green peppers was more than doubled by transparent polyethylene film mulching There was no plant in the entire plot which showed apparent phytotoxicity by Lasso treatment.

동결 보존에 의한 돼지 정자 세포질 칼슘 신호의 변화

이선우,이옥화,김준철,명평근,박창식,우선희 충남대학교 형질전환복제돼지연구센터 2007 논문집 Vol. No.10

Although mammalian sperms are cryopreserved for in vitro fertilization a process of cryopreservation decreases the fertility. Acrosome reaction requires depolarization-induced ca^(2+) influx and ca^(2+) releases from the ca^(2+) stores. To examine whether the cellular ca^(2+) mobilization is altered by a sperm cryopreservation we compared cytosolic ca^(2+) signals between fresh and cryopreserved pig sperms using confocal ca^(2+) imaging. The magnitudes of depolarization-induced ca^(2+) increases were significantly smaller in cryopreserved sperms. Exposures to 10 mM caffeine or 5 μM thapsigargin elicited less ca^(2+) increases in the cryopreserved sperms compared to fresh sperms. In addition, progesterone-triggered ca^(2+) rises, that are thought to enhance acrosome reaction, were completely abolished in the cryopreserved sperms. These results suggest that storage and(/or) release of ca^(2+) from the intracellular ca^(2+) stores in pig sperms are significantly impaired by the process of cryopreservation.

노인 가계지출구조 분석을 통한 집단 내 이질성에 대한 연구

이선형,김근홍 한국사회복지정책학회 2003 사회복지정책 Vol.16 No.-

본 연구는 노인의 가계지출구조를 통해 노인가계의 집단의 특성을 분석하고 이를 통해 집단내의 이질성을 탐색하는 데에 목적이 있다. 우리 나라의 노인문제나 그에 대한 문제 의식은 근대화의 속도만큼이나 빠르게 진행되고 있다. 이에 따라 노인에 대한 많은 연구들이 이루어지고 있으며, 노인집단의 특성별 차이를 부분적으로 다루어 분석한 연구들은 더러 있으나 노인집단 내에서의 이질성에 초점을 맞추어 분석한 연구는 전무한 실정이다. 이에 본 연구는 통계청의 1999년도 도시가계조사 원자료를 통해 노인을 여러 집단으로 나누어 이들의 가계지출패턴이라는 분석 틀을 이용해 각 집단의 특징을 유형별로 분석하였다. 그 결과 전반적으로 집단별로 분석해도 일관적으로 나타난 것은 식료품비와 주거비의 비중이 높다는 것이다. 즉 소비지출에서 식료품비가 차지하는 비율로 측정되는 엥겔계수가 높아 생활수준은 전반적으로 낮다고 볼 수 있다. 다음으로 노인의 특징에 따른 집단을 구분하여 살펴보면, 비록 소비지출액수의 다소에 따른 가계지출 패턴에서는 큰 차이를 나타내지 않았지만, 건강상태와 취업상태에 따라서는 차이를 나타냈다. 이러한 결과는 노인가계의 유형을 다양화하는 작업이 필요함을 시사하는 것이라 하겠다. 그럼으로써 노인이 동질적인 집단이라는 인식변화에 도움이 될 것이라 사료된다. 더욱이 노인에게 서비스를 제공하는 이들에게도 이들의 생활양식에 맞는 다양하고 구체적인 정책적 활용방안을 보여줄 수 있을 것이다. The purpose of this study is investigation about the heterogeneous characteristics of the elderly group through analysis of the household expenditure between the elderly. Korean elderly problem and a critical mind about it is progressing as rapid as modernization speed. Till now many study were accomplished, but there is not the study about heterogeneity between the elderly group. Therefore this study is analyzed out heterogeneous characteristics the elderly only using. Income and Expenditure Survey, national data by NSO(National Statistical Office). Final result is as follow. It is large proportion of food expenditure and house expenditure. Because Engel Coefficient(proportion of food expenditure) means level of living, that means the living of the elderly only is not so good. Next, according to not the consumption level but the condition of health and employment, household expenditure pattern is different result. This result means that there is different living pattern. And it is necessary of different and proper service through the patternization of the elderly. This will be of use to change a fixed idea about the elderly and to offer policy suggestions to service provider ton the elderly.

분산 구조의 적응성 경로 제어 알고리즘에 관한 연구

이순흠,조현준,이성근 순천향대학교 1993 논문집 Vol.16 No.3

In this paper, the adaptive and distributed routing algorism which immediately reflects the variation of the communication network topology and traffic flow is proposed to determine the optimum path between the nodes with mutually independent and equal relationship. The algorism can be applied to the packet network or telephone network, especially to the military network with the frequent variation of the network topology or to the private communication network with high traffic concentration.

노인의 원예치료프로그램에 대한 선호도 연구

이명희,박선희,임선영,정은경,서정근 한국식물인간환경학회 2000 인간식물환경학회지 Vol.3 No.4

This study was performed on 10 older adult at Cheonan City Day care facility for once a week for 15weeks. And then preference was examined through investigation of interesting, work-attitude, feeling reaction. The results were as follows ; 1.Preference of activities which used various plants such as 'Dish garden', which satisfied needs for health of older adult such as 'Aromatherapy' was high on Interesting. 2.Preference of skilled activities by repetition such as 'Making flower basket' was high on Work-Attitude. 3.Preference of activities which they can express their own idea such as 'Making flower basket', which feel accomplishment through products was high on Feeling Reaction.