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이윤주,변정현,황의숙 배화여자대학 2002 培花論叢 Vol.21 No.-
The purposes of this study were 1)to explore the direction of the Korean Traditional Design 2)to find out aesthetic characteristics and aesthetic consciousness of Saekdong, 3)to perform a part of developing the children's clothes based on the traditional stripes, Saekdong. Through the documentary studies, the direction of the Korean Design and the formative part of the aesthetic characteristics was revealed. As an investigative studies of the content of the aesthetic characteristics was shown. Then children's clothes design was presented.
이윤주,김계현 한국상담심리학회 2002 한국심리학회지 상담 및 심리치료 Vol.14 No.2
In the present study, I examined the relationship between the length of counseling experiences and the level of case conceptualization. In this study, 81 counselors were asked to perform a case conceptualization of a made-up counseling case. For the first rating, 3 professional counselors analyzed the 81 counselors' written conceptualizations using the case conceptualization list developed by Lee(2001) and suggested which elements were used in the 81 counselors' case conceptualizations. For the second rating, one professional counselor rated the level of conceptualization for each element suggested from the first rating by giving weight scores from 1 to 3. Finally, I examined the correlation between the level of case conceptualization of the 81 counselors and the length of their counseling experiences. Results indicated that counselors with more counseling experiences used more elements in their case conceptualization. The correlation coefficients between the length of counseling experiences and the rating scores of the first and the second ratings showed positive relationship between the length of counseling experiences and the level of case conceptualization (for the 1st rating r=.51, p<.01; for the 2nd rating r=.71, p<.01). Specifically, the categories of 'comprehensive understanding of client's problems' and 'counseling goals and plans' and the elements of 'problematic interpersonal area', 'negative situations and weaknesses', 'ultimate counseling goals', and 'counseling strategies' were found to have a significantly positive relationship with the length of counseling experiences. In sum, the results of the present study implied that the length of counseling experiences make a significant difference in performing case conceptualization. Specifically, the more experienced counselors tend to show better performance of case conceptualization with integrated and systemic understandings of client and his/her problems and with the capability to build compatible, effective counseling goals and strategies. These findings of the present study tend to support the findings of the previous studies in case conceptualization. The findings of this study are expected to provide practical information and guideline for counselors and supervisors in their case conceptualization. Also, it should facilitate future study in case conceptualization in counseling. 본 연구는 상담자들의 사례개념화 수행 능력과 상담경력간에 유의미한 관계가 있는지 알아보고자 하였다. 이를 위해 연구자는 이윤주(2001)의 요소목록 평정 매뉴얼로 가공한 후, 81명의 상담자가 가상사례에 대해 사례개념화한 내용을 평정매뉴얼에 기반하여 전문상담자인 3인의 평정자가 1차로 평가하도록 하였다. 2차 평정에서는 1차 평정자에 의해 각 요소별 득점 기준에 부합하는 것으로 평정된 진술내용에 대해 상담심리전문가가 세 수준으로 가중점수를 부여하였다. 1차 평정에서 각 유목별로 득점 기준에 부합한 상담자의 비율을 살펴 본 결과, 경력이 높은 상담자가 전체 상담자에 비해 각 요소별로 득점기준에 부합하는 개념화를 한 비율이 더 높은 것으로 나타났다. 또한 1, 2차 평정 결과와 상담경력간의 상관을 분석한 결과, 상담 경력과 사례개념화 수준은 .51(1차 평정 결과와의 상관)과 .71(2차 평정 점수와의 상관)의 상관을 보였다. 유목별로는 “문제와 내담자에 대한 종합적 이해”, “상담목표 및 계획”이, 각 요소별로는 “대인관계 문제영역”, “내담자 및 문제관련 요인들에 대한 종합적 이해와 평가”, “최종목표”, “상담전략”이 상담경력과 보다 높은 상관이 있는 것으로 나타났다. 이러한 연구 결과는 첫째, 상담경력이 높은 상담자일수록 사례개념화 수행 수준이 높다는 것을 보여 주고 있으며, 둘째, 상담 경력에 따른 수행 수준의 차이는 내담자의 대인관계 패턴을 이해하는 부분, 상담사례를 종합적으로 파악하고 이에 터해 상담 목표를 세우는 부분에서 보다 두드러진다는 점을 보여주고 있다. 이와 같은 연구결과는 상담경력이 많아질수록 상담사례개념화 수행 능력도 향상된다고 하는 기존의 연구결과를 지지하며, 사례개념화에 있어서 상담경력에 따라 어떤 영역의 수행능력이 더 의미있게 향상되는지를 구체적으로 밝혀주고 있다. 본 연구는 우리나라의 상담자 및 수퍼바이저들의 의견에 바탕을 둔 사례개념화 요소목록을 개발하여 이의 타당성을 검증한 최초의 연구라는 의의를 지니며 연구 결과는 상담 및 상담자 교육의 실제와 연구에 의미있는 정보를 제공할 것으로 기대된다.
Involvement of ROS in Curcumin-induced Autophagic Cell Death
이윤주,김남이,서 영아,이추희 대한약리학회 2011 The Korean Journal of Physiology & Pharmacology Vol.15 No.1
Many anticancer agents as well as ionizing radiation have been shown to induce autophagy which is originally described as a protein recycling process and recently reported to play a crucial role in various disorders. In HCT116 human colon cancer cells, we found that curcumin, a polyphenolic phytochemical extracted from the plant Curcuma longa, markedly induced the conversion of microtubule-associated protein 1 light chain 3 (LC3)-I to LC3-II and degradation of sequestome-1 (SQSTM1) which is a marker of autophagosome degradation. Moreover, we found that curcumin caused GFP-LC3 formation puncta, a marker of autophagosome, and decrease of GFP-LC3 and SQSTM1 protein level in GFP-LC3 expressing HCT116 cells. It was further confirmed that treatment of cells with hydrogen peroxide induced increase of LC3 conversion and decrease of GFP-LC3 and SQSTM1 levels, but these changes by curcumin were almost completely blocked in the presence of antioxidant, N-acetylcystein (NAC), indicating that curcumin leads to reactive oxygen species (ROS) production, which results in autophagosome development and autolysosomal degradation. In parallel with NAC, SQSTM1 degradation was also diminished by bafilomycin A, a potent inhibitor of autophagosome- lysosome fusion, and cell viability assay was further confirmed that cucurmin-induced cell death was partially blocked by bafilomycin A as well as NAC. We also observed that NAC abolished curcumin- induced activation of extracelluar signal-regulated kinases (ERK) 1/2 and p38 mitogen-activated protein kinases (MAPK), but not Jun N-terminal kinase (JNK). However, the activation of ERK1/2 and p38 MAPK seemed to have no effect on the curcumin-induced autophagy, since both the conversion of LC3 protein and SQSTM1 degradation by curcumin was not changed in the presence of NAC. Taken together, our data suggest that curcumin induced ROS production, which resulted in autophagic activation and concomitant cell death in HCT116 human colon cancer cell. However, ROS-dependent activation of ERK1/2 and p38 MAPK, but not JNK, might not be involved in the curcumin-induced autophagy.
인천지역 단체급식소별 조리종사자의 위생실천도 및 위생지식 비교 조사
이윤주 대한영양사협회 2003 대한영양사협회 학술지 Vol.9 No.1
The purposes of this study were to compare performance of HACCP-based sanitary management and sanitation knowledge of employees in some food services(hospital, elementary school, industry) in Inchon. Therefore, the survey questionnaire consisted of general background, sanitation performance, sanitation knowledge evaluation. The subjects were 370 employees in hospital, elementary school industrial food service. The statistical analysis of data was completed using SPSS program. The results were summarized as follows: 99.3% of surveyed employees were female. 95.7% of employees were attended sanitation education and 76.8% of them were educated once a month. Employees in school food service showed higher academic career than the other food service employees. The food service employees' performance level was high(4.48). The performance level of school employees was significantly higher compared to other food services(p<0.001). Average score of sanitation knowledge was 16.36/20. The school food service employees' knowledge 17.03 was also higher compared to other food services. There was no significant correlation between sanitary performance and knowledge for total score. But among items of sanitary performance, a personal hygiene and food sanitary was significantly correlated with sanitation knowledge. The results of survey imply that the suitable contents and methods of education and training must be developed. Also, Financial supports to install necessary sanitary facilities are very important in order to raise effectiveness of education.
SiOC Anode Material Derived from Poly(phenyl carbosilane)for Lithium Ion Batteries
이윤주,류지연,노광철,권우택,신동근,김영희 한국세라믹학회 2013 한국세라믹학회지 Vol.50 No.6
Since SiOC was introduced as an anode material for lithium ion batteries, it has been studied with different chemical compositions and microstructures using various silicon based inorganic polymers. Poly(phenyl carbosilane) is a SiOC precursor with a high carbon supply in the form of the phenyl unit, and it has been investigated for film applications. Unlike any other siloxanebased polymers, oxygen atoms must be utilized in an oxidation process, and the amount of oxygen is controllable. In this study,SiOC anodes were prepared using poly(phenyl carbosilane) with different heat treatment conditions, and their electrochemical properties as an anode material for lithium ion batteries were studied. In detail, cyclic voltammetry and charge-discharge cycling behavior were evaluated using a half-cell. A SiOC anode which was prepared under a heat treatment condition at 1200ºC after an oxidation step showed stable cyclic performance with a reversible capacity of 360 mAh/g.
이윤주,김경미,장경자 대한영양사협회 2000 대한영양사협회 학술지 Vol.6 No.2
Food service management without nutrition education in school foodservice is hardly to improve nutritional status of school children. Therefore, this study was attempted to evaluate the effectiveness of nutrition education. The nutrition education was done for 82 5th grade children of 2 elementary school in Inchon. It has been performed for two month from Sep. 6 to Nov. 11, 1999. Also, to evaluate the effects of nutrition education, subjects were taken pretest and posttest for food habit, attitude, nutrition knowledge, and dietary intake through the questionnaires. The statistical analysis of data was completed using SPSS program. The results were summarized as follows: 1) The average height and weight for subjects are 141cm and 34.4kg. Most of the subjects had 2 siblings. 83.8% of the subjects has never been taken nutrition education. Otherwise, 85.2% of the subjects responded that they need a nutrition education. 2) For the food habit test results, the posttest mean scores increased. Food habit on vegetables showed significant difference between pretest and posttest(p<0.05). 3) The attitude test did not show the significant difference between pretest and posttest. 4) For the nutrition knowledge test result, the pre and posttest means were 47.59 and 57.12 respectively(p<0.001). 5) The correlations of food habit, attitude, and nutrition knowledge was positive relationship between food habit and attitude in the pre and posttest. 6) Intake frequency of foods increased for the most foods except meat, egg, milk, and drink as compaired pretest with posttest. Cereal, fish, and oil intake was significantly increased. 7) The intakes of most nutrients were increased, among which carbohydrate, fiber, calcium, and vitamin C intakes were significantly different after education. The education period of this study was too short to improve their eating behavior and food choice and may need a long-term education and development of materials for nutrition education.