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환기정도에 따른 수술실용 신발 종류가 수술실 오염에 미치는 영향 : How to Choose Suitable Shoes?
남경동,정혜선,박영신,원진희,주미자,성화신,이지혜,이병희,조경숙,배재춘 한국의료QA학회 2000 한국의료질향상학회지 Vol.7 No.1
Background : Various types of protective footwear have been used to minimize bacterial contamination in operating rooms. In recent years, debate has arisen concerning the need for use of such protective footwear. This study was designed to provide useful data about choosing shoes most suitable for the surgical environment. Methods : Between November, 1999 and January, 2000, we performed this experimental study by comparing effect of three types of shoes (i.e., disposable shoescover, operating room-restricted shoes, and ordinary shoes) on bacterial contamination of operating rooms equipped with two different ventilation systems (i.e., high air-change, low air-change) respectively. Data were collected during two-hour sham operations in which subjects and their activities were strictly standardized. Bacterial flora were sampled from the study area floor and air colony-counts were measured. Results : In experiments involving high air-change ventilation system, there was a significant difference of floor contamination between three types of shoes, but no difference of air contamination. Under low air-change system, there was a significant difference of both floor and air contamination between three types of shoes. Conclusion : The results show that protective footwear would be unnecessary in the operating room with high air-change ventilation system, but it is important to choose suitable shoes carefully under low air-change system. Therefore, the use of outdoor shoes can be considered under high air-change system, but it would seem sensible to apply their first use in less bloody operations at the day surgery center or out-patient department to prevent transfer of body fluid into the outside environment.
토마토의 생육과정에 따른 성분 변화 II : Ascorbic acid, Chlorophyll, Carotene, Lycopene 분석을 중심으로
김동석,小机信行,한재숙,김미향 한국식생활문화학회 2004 韓國食生活文化學會誌 Vol.19 No.6
This was aim to study the changes of components by different parts and maturity of tomato. Tomato include the green pigment chlorophyll, the yellow pigment -carotene. the red pigment lycopene and the other component. These colors of tomatoes are reported to have important functional roles to promote health in human. The main objective of this study was to define changes in the content of the four tomato maturation that is ascorbic acid, chlorophyll, carotene, lycopene. A ascorbic acid contents of tomato fruits was the highest at 50th day. Chlorophyll contents of tomatoes fruits was the highest at 10th days after flowering. α-carotene contained low-quantity while all growth period. β-carotene contained the highest at 50th days after flowering, 1036.97㎍. Lycopene contained the highest at 50th days after flowering, 5800㎍.
송미숙,전기홍,송현종,김정은,박승구,신상건,이동훈,정성현,최연주,최완철,최민규,황재철,홍지만 아주대학교 1997 아주의학 Vol.2 No.2
This study was performed to identify risk factors for depression among the elderly in a rural area. A survey was done for the elderly living in Gosam-myenn, Ansung-kun during the period of July 28, 1997 and July 30, 1997. Demographic and sodoeconornic characteristics, and functional and health Status were assessed using a structured questionnaire, and the level of depression was measured by GDS score. The data obtained were analyzed by frequencies, percentage, t-test, ANOVA, and multiple regression, and the results were as follows: 1. The total sample consisted of 133 elderly. Of them, 47 elderly (35.4%) showed significant depressive Symptoms. 2. The GDS score was the highest for the group over 85 years of age (p < 0.05). Those living alone or widowed showed lower GDS score than those living with someone or married (p < 0.05). 3. The GDS score was the highest in the absolutely dependent group, followed by the partially dependent group, and the independent group (p < 0.01). The elderly who perceived their health Status as excellent showed the lowest GDS score. In contrast, those who had more than five chronic diseases showed the highest GDS score. 4. The elderly receiving financial and emotional support from their family or friends showed lower GDS score compared to those without any support. 5. The economically dependent group showed higher GDS score than that of independent group. 6. The elderly who involved in leisure activities showed lower GDS score than those without any involvement. 7. In terms of risk factors for depression, we found that perceived health Status, subjective economic Status, leisure activities, living arrangement and financial support were inversely associated with GDS score, whereas labor support was positively associated with GDS score. Based upon the above findings, this study suggests that these risk factors for depression in the elderly should be taken into consideration for a comprehensive mental health program for the elderly living in the rural area.
심미영,정정숙,염동문 한국가정과학회 2004 한국가정과학회지 Vol.7 No.2
The purpose of this study was to examine the influential variables of participation toward voluntary activities of elderly women's. For this purpose, the data collected 312 women's elderly in Jinju city. Statistics employed for the analysis were frequencies, logit regression and multiple regression analysis. The major results of this study were as follows ; In participation intention toward voluntary activities for women's elderly, the variables which influence were job, state of health, level of life, need of voluntary activities, and satisfaction of voluntary activities in the past.
토마토의 생육과정에 따른 성분 변화I : Tomatine 분석을 중심으로
김동석,小机信行,한재숙,김미향 한국식생활문화학회 2004 韓國食生活文化學會誌 Vol.19 No.6
This was aim to study the changes of components by different parts and maturity of tomato. We found that orally fed tomatine which induced a significant reduction in cholesterol in hamster in contrast to potato glycoalkaloids, the safety of tomatine was supported by our observation that pickled green tomatoes consumed widely in many countries has a high tomatine content. The tomatoes harvested during the first stage(10 days after flowering) contained tomatine 6333.49 ㎍ per 100 g and dehydrotomatine and α-tomatine in a ratio of about 1:13.8. The tomatine content then decreased by about 85% during stage 2(20 days after flowering) an dehydrotomatine contene dropped to a value near zero during stage 3, 4. It then the tomatine content dropped to a value near zero during the final stage(50 days after flowering). With respect to health benefits at all stages of maturity, unripe tomato contain chlorophyll and α-tomatine should consumed.
크릴분말이 콜레스테롤 및 카드뮴 식이 흰쥐의 간 및 심장 지질에 미치는 영향
조영숙,박석규,박정로,손미예,문주석,곽수동 순천대학교 기초과학연구소 1992 基礎科學硏究誌 Vol.3 No.-
In order to investigate effects of krill on lipid components of liver and heart in cholesterol and cadmium-fed rats, male Sprague-Dawley rats were raised for 4 weeks with 8 experimental diets. Krill used in this experiment contained 65.4%(w/w) of protein and 16.7% of lipid. Krill contained 35% of polyunsaturated fatty acids and more unsaturated fatty acids than saturated fatty acids by 2 times. Amino acid content of krill was high in order of Glu, Asp, Tyr and Lys. Rats fed krill diet showed more food intake and weight gain compared with control group. However, food efficiency ratio and weight of liver and heart were not significantly different. The ingestion of cadmium resulted in a severe restriction in growth rate with normal or mild reduction of liver and heart weight. Cadmium also caused a significant decrease in food efficiency ratio. The contents of total and free cholesterol of liver and heart in rats fed krill diets were similar or slightly higher than those fed control diet. Dietary krill also showed no significant difference in liver and heart cholesterol levels in rats with cadmium ingestion. The contents of phospholipid and triglyceride in liver and heart of krill group were slightly higher than those of control group. Supplement of krill reduced triglyceride content of liver in rats ingested with cadmium without any effect on the level of phospholipid and heart lipids. The concentration of cadmium in plasma significantly increased with dietary krill. However, the krill supplement did not influence the concentration of cadmium in liver or heart. A significant accumulation of lipid in liver tissue was observed in all dietary groups but standard group. However, no difference in degree of lipid accumulation was found among the dietary groups. Necrosis and hemolysis of liver in all dietary groups were not shown.