http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
에탄올 중독된 흰쥐의 간조직 중 지질대사에 미치는 셀렌과 메티오닌의 영향
김명주,이미경,장주연,박은미 한국식품영양학회 1999 韓國食品營養學會誌 Vol.12 No.1
산업체 급식소에서 생산직 근로자에게 제공되고 있는 음식의 적정 분량을 제시하기 위해 목포지역 생산직 근로자 240명을 대상으로 섭취량 측정과 설문지를 이용한 만족도 평가를 실시하였다. 조사대상 근로자의 연령은 30∼39세가 57.1%, 학력은 대부분 고졸이었으며, 건강상태는 52.1%가 건강하다고 하였다. 근로자의 좋아하는 식사의 형태는 한식이었고, 식품을 선택할 때 가장 중요하게 생각하는 것은 맛으로 나타났으며, 식사의 가치관은 조사대상 근로자의 37.1%가 공복을 채우는 것이라고 대답해서 생리적 욕구충족에 가치를 둔 비율이 가장 높았다. 산업체 급식소에서 제공된 음식의 섭취량과 섭취율은 밥류 238g(98.4%), 국류 212g(82.7%), 찌개류 230g(77.2%), 볶음류 40g(80.7%), 조림류 60g(83.5%), 무침류 42g(72.3%), 김치류 51g(75.9%), 일품요리류 406g(77.7%), 구이류 51g(72.6), 부침류 48g(48.7%)였다. 섭취량에 대한 만족도 평가 결과, 섭취량에 대해서 두 비교군 거의 모두가 '적은 양'이라고 대답하였다. 섭취량에 대한 만족도 평가를 기초로 음식의 적정량에 대해 밥류 240∼270g, 국류 270g, 찌개류 310g, 볶음류 60g, 조림류 75g, 무침류 76g, 김치류 67g, 일품요리류 470g, 구이류 80g, 부침류 50g으로 제시할 수 있다. The purpose of this study is to set up a appropriate portion by consumed size of food in industry food-service operation. The results were summarized as follows: 51.7% of the subjects were 30 to 39 years old, 83.3% of them had highschool education. They represented that taste of food was the most important point in food intake. Individual consumption sizes for physical workers in the industry foodservice were cooked rices 238g, soups 212g, pot stewes 230g, stir fries 40g, stewes 60g, fresh and boiled salad 42g, kimchies 51g, one course dishies 406g, grills 51g, meunieres 47g. Properly portioned meal sizes for physical workers based on a statistical data showed cooked rices 240∼270g, soups 270g, pot stewes 310g, stir fries 60g, stewes 75g, fresh and boiled salads 76g, kimchies 67g, one course dishies 470g, grills 80g and meunieres 50g in the foodservice industry.
H9c2 심근 세포주에서 외인성 nitric oxide가 허혈에 의한 세포 독성에 미치는 영향
정성구,장현용,김명천,고영관,정주호,배영미,박원서,김대중,유영민,김성수,임성빈 대한응급의학회 2001 대한응급의학회지 Vol.12 No.4
Background: Nitric oxide(NO) is known to have protective effects on an ischemic heart and to exert triggering effects on ischemic preconditioning. However, the effects of NO during the ischemic period have not been investigated. To investigate the role of exogenous nitric oxide in a model of ischemic heart cell death, we studied the effects of ischemic preconditioning and ischemia in a normal and an ischemic buffer. Methods: Rat cardiac myoblast cells(H9c2) were cultured in a normal and an ischemic buffered medium. For the ischemic culture of heart cells, the cells were cultured in a dessicator with GasPak for 5 hrs. In ischemic preconditioning, the cells were pretreated with ischemic buffer for 5 min and then perfused with normal medium for 30 min. For the measurement of the cytotoxicity, a MTT(3-4-Sdimethylthiazol-2-yl-2,5-diphenyl tetrazolium bromide) assay was performed. A DAPI(4',6-diamidino-2-phenylindole dihydrochloride) staining procedure and a flow cytometry analysis were performed to confirm apoptotic cell death by ischemia. Results: Cell viability, as determined by using a MTT assay, showed that the preconditioned group treated with NO showed more cell death than with the not-preconditioned groups in both normal and ischemic buffers. But, In normal medium and not-preconditioned groups, NO showed protective effect according to the concentrations(100,1000μM) . No treatment with NO produced the different results. In normal medium, the protective effect of ischemic preconditioning was demonstrated, but no protective effect of ischemic preconditioning could be seen in the case of the ischemic buffer. The DAPI staining and flow cytometry analysis of heart cells showed characteristic apoptotic features. Conclusion: NO added in the ischemic phase had deterious effects on heart cells. Ischemic preconditioning was more harmful than ischemia alone. The toxicity of the cells was characteristic apoptosis.
프리셉터 경험이 간호업무수행과 직무만족에 미치는 영향 연구
류언나,송혜숙,장은희,서효신,추연화,김인선,나명주,지성애,박경숙 중앙대학교 간호과학연구소 2001 중앙간호논문집 Vol.5 No.2
The purpose of this study was to investigate how preceptor experience has an effect upon preceptor nurses. This study was so designed that it could compare the difference between clinical performance and Job satisfaction of preceptor nurses and those of nonpreceptor nurses. Study subjects were sampled out from those nurses who worked with two university hospitals where preceptor programs were implemented. The number of subjects totaled to 134, including 69 preceptor nurses and 70 nonpreceptor nurses. The score of preceptor nurses' clinical performance and job satisfaction revealed a higher value than that of nonpreceptor nurses. A similar result was also shown in the subdomains. However these difference were not statistically significant. Among all of the preceptor nurses, the highest number of preceptor experience was just one time. Except for five times in preceptor experience, the more the number of times of preceptor experience, the higher score in clinical performance. It was manifested that the number of preceptor experience was not related to job satisfaction. The score of preceptor nurses' clinica1 performance and job satisfaction revealed a higher value than that of nonpreceptor nurses. A similar result was also shown in the subdomains. However these difference were not statistically significant. The reward that preceptor nurses wished most was a reduction of the work load assigned to them. Currently preceptor nurses are only receiving a small quantity of financial reward related with their preceptor role. Most of preceptor nurses (96.8%) were not satisfied with their existing reward. Almost half of the preceptor nurses(43.5%) did not want to play a role as preceptor again. The reason why the scores of clinical performance and job satisfaction were low might be attributed to the inadequate preceptor training program and reward system. Appropriate knowledge and clinical skill are expected to enhance the level of preceptor nurses' clinical performance and appropriate internal and external reward to elevate the level of preceptor nurses' Job satisfaction. Therefore, it is needed for us to develop more effective preceptor education program, financial reward, support of colleague nurses and nursing managers, and adjust workload for the purpose of more effective preceptor programs.
Myung-Joo Kim,Mi-Kyung Lee,Soo-Yeul Cho,Duk-Jin Kim,Joo-Yeun Jang,Kyong Hee Shin,Sun Ae Park,Eun-Mi Park,Jeong-Sun Lee,Myung-Sook Choi,Jeong-Sook Lee 한국식품영양과학회 2005 Journal of medicinal food Vol.8 No.1
This study examined the ameliorative effect of a Du-zhong (Eucommia ulmoides Oliv.) cortex water extract(DzCw) on heme biosynthesis and erythrocyte antioxidant enzyme activities in lead (Pb)-administered rats. Male rats weredivided into three groups: normal control group, Pb control group (Pb), and DzCw-administered Pb group (Pb. DzCw). ThePb (25 mg/kg of body weight) was administered orally once a week for 4 weeks, while the DzCw was administered orally ata dosage of 0.139 g of DzCw/kg of body weight/day. DzCw administration significantly lowered plasma Pb concentrationcompared with the Pb group. Furthermore, the blood hematocrit and hemoglobin levels were significantly higher in the Pb.DzCw group than in the Pb group. Although the blood and hepatic .-aminolevulinic acid dehydratase (ALAD) activities weresignificantly lower in the Pb group compared with the normal control group, both ALAD activities was normalized with theadministration of DzCw. The erythrocyte superoxide dismutase and catalase activities were significantly higher in the Pb groupthan in the normal control group, whereas the glutathione peroxidase activity and glutathione level were lowered by Pb ad-ministration compared with the normal group. However, the administration of DzCw was found to enhance the antioxidantdefense system and significantly lower lipid peroxidation levels in erythrocytes compared with the Pb group. These resultsindicate that the DzCw administration alleviated the Pb-induced oxidative stress in the erythrocytes through elevating theblood and hepatic ALAD activity and enhancing the antioxidant enzyme activities.
Jang, Hyosun,Myung, Hyunwook,Lee, Janet,Myung, Jae Kyung,Jang, Won-Suk,Lee, Sun-Joo,Bae, Chang-Hwan,Kim, Hyewon,Park, Sunhoo,Shim, Sehwan MDPI AG 2018 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.19 No.1
<P>Radiation-induced skin injury can take the form of serious cutaneous damage and have specific characteristics. Asymptomatic periods are classified as the latent stage. The skin barrier plays a critical role in the modulation of skin permeability and hydration and protects the body against a harsh external environment. However, an analysis on skin barrier dysfunction against radiation exposure in the latent stage has not been conducted. Thus, we investigated whether the skin barrier is impaired by irradiation in the latent stage and aimed to identify the molecules involved in skin barrier dysfunction. We analyzed skin barrier function and its components in SKH1 mice that received 20 and 40 Gy local irradiation. Increased transepidermal water loss and skin pH were observed in the latent stage of the irradiated skin. Skin barrier components, such as structural proteins and lipid synthesis enzymes in keratinocyte, increased in the irradiated group. Interestingly, we noted sebaceous gland atrophy and increased serine protease and inflammatory cytokines in the irradiated skin during the latent period. This finding indicates that the main factor of skin barrier dysfunction in the latent stage of radiation-induced skin injury is sebaceous gland deficiency, which could be an intervention target for skin barrier impairment.</P>