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Mannose가 옥수수 자엽초에서 Kinetin 유발 에틸렌 생성에 미치는 영향
李埈承,黃裕善 梨花女子大學校 韓國生活科學硏究院 1992 韓國生活科學硏究院 論叢 Vol.49 No.-
Effect of mannose on kinetin induced ethylene production was examined in corn coleoptile segments. Kinetin induced ethylene production was inhibited 40% in 6 hours and 75% in 12 hours of incubation period by 50mM of mannose. However, it was not inhibited by other sugars such as sucrose, glucose. or fructose. To elucidate how mannose inhibited the kinetin induced ethylene production, uptake of benzyladenine(BA-8-^14C) into the tissue was investigated. Mannose inhibited BA-8-^14C uptake into the tissue about 40% after 12 hour incubation period, but the other sugars did not have such an inhibitory effect. These results may suggest that mannose inhibits the kinetin induced ethylene production by suppressing kinetin uptake into the tissue.
금채,이기선,허복회,김유배,이병주 충남대학교 기초과학연구소 1996 忠南科學硏究誌 Vol.23 No.2
In the visible region of spectral distribution, the photoconductivity of long wavelength in amorphous Se thin films showed an increase but that of short wavelength showed a decrease. After the sample was illuminated with high intensity white light for three hours at low temperature, we observed that the magnitude of the photoconductivity depended only on the spectral composition of the incident light and the dark conductivity showed a strong dependence on the wavelength to which the sample had been exposed beforehand at 100 K, which is called an anomalous photoconductivity. We believe that the mercuries in amorphous selenium film have generated the long-life traps contributing to the anomalous photoconductivity of samples. The height of the barrier generated by the long life traps was 2.4 eV
병원 근로자들의 고용형태에 따른 직무 스트레스와 삶의 질의 관계
전은숙,이강숙,이선영,유재희,홍아름 大韓産業醫學會 2009 대한직업환경의학회지 Vol.21 No.1
목적 본 연구는 병원에 종사하는 정규직 비정규직 근로자의 직무스트레스와 삶의 질 수준을 파악하고 직무스트레스와 삶의 질과의 관련성 및 삶의 질에 영향을 미치는 요인을 규명하기위해 수행되었다 방법 자기기입형 설문조사를 실시하였으며 정규직 172명 비정규직 189명이 최종 분석하였다 일반적 특성과 한국인 직무스트레스 측정도구-단축형 (Korean occupational stress scale short form) 삶의 질 측정을 위한 도구 WHOQOL-BREF를 사용하였다 결과 정규직에 비해 비정규직에서 직무스트레스 수준이 높았다 정규직은 직무요구도와 직장문화의 항목에서 비정규직은 직무자율성 직무불안정성 보상부적절의 항목에서 직무스트레스 요인이 유의하게 많았다 삶의 질수준은 정규직 근로자에서 유의하게 높았으며 심리적 영역 사회적 영역 생활환경 영역에서 비정규직보다 유의하게 높은 수준을 보였다 결론 정규직과 비정규직 근로자의 직무스트레스 요인과 삶의 질 수준은 달랐다 고용형태를 막론하고 직무스트레스는 삶의 질에 부정적인 영향을 미치고 있었으며 비정규직은 직장문화로 인한 스트레스 요인이 많을수록 삶의 질이 낮았다 따라서 병원근로자의 삶의 질 향상을 위하여 적절한 관리 혹은 프로그램이 제공되어야 할 것이며 특히 비정규직 근로자의 직무스트레스를 일으키는 요인들에 대한 적절한 관리가 필요할 것이다 Objective This study was conducted to evaluate the relationship between job stress and quality of life for hospital workers by type of employment Methods Data were obtained for 361 workers in a large hospital 172 of whom were categorized as typical workers defined by permanent employee and 189 of whom were categorized as atypical workers defined by fixed term contraction Job stress was assessed using the Korean Occupational Stress Scale Short Form and the World Health Organization Quality of Life-BREF Questionnaire Results Atypical workers had significantly higher scores for job related stress in the domains Of insufficient control over work job insecurity and lack of reward in the workplace compared with typical workers who had higher scores for stress in the domains of job demands and occupational climate Test scores also indicated that typical workers had a significantly better quality of life than atypical workers especially in terms of mental health social relationships and environment Conclusion These findings suggested that factors contributing to job-related stress were different between typical and atypical hospital and typical workers are likely to have a better quality of life
김유진 ( Yu Jin Kim ),백소영 ( So Yeong Baek ),안세연 ( Se Yeon An ),이미희 ( Mi Hui Lee ),이선영 ( Seon Yeong Lee ),이연주 ( Yeon Ju Lee ),이유리 ( Yu Ri Lee ),인미희 ( Mi Hui In ),한다은 ( Da Eun Han ),최준선 ( Jun Seon Choi ) 한국치위생학회 2012 한국치위생학회지 Vol.12 No.5
Objectives: The purpose of this study was to investigate the factors related to the awareness level of community water fluoridation program. Methods: 700 subjects were surveyed among the residents living in Incheon Metropolitan City. Data were collected on awareness of community water fluoridation program, general factors, oral health behavior, self-reported oral health and oral health interest. The factors related to the awareness level of community water fluoridation program were analyzed by t-test, a one way ANOVA and multiple linear regression analysis. Results: 1. Subjects` ages were 40~59 years, monthly average incomes were more than 3 million won and higher their educational levels had a higher awareness level of community water fluoridation program(p<0.01). 2. People who brushed their teeth more than three times a day, used oral hygiene devices, and had periodic oral examination and removed plaques were had higher awareness level of community water fluoridation program(p<0.01). Especially, the use of oral hygiene devices was the strongest factor in relation with the awareness level of community water fluoridation program(p<0.01). 3. People who had a fine self-reported oral health, highly interested in dental hygiene and made an effort to keep oral health were had higher awareness level of community water fluoridation program(p<0.001). Conclusions: The awareness level of community water fluoridation program was related to oral health behavior, self-reported oral health and oral health interest. So, in order to expand the areas for community water fluoridation program, it is important to educate to the right information about objectives, safety, dental caries preventing effect of the community water fluoridation program. And the education and publicity on general oral health will have an affirmative effect on expanding community water fluoridation program.
( Dan Bi Lee ),( Young Hwa Chung ),( Sae Hwan Lee ),( Yoon Seon Lee ),( Don Lee ),( Jeong Eun Hwang ),( Kang Mo Kim ),( Young Suk Lim ),( Han Chu Lee ),( Eun Sil Yu ),( Young Sang Lee ),( Dong Jin Suh 대한소화기학회 2007 Gut and Liver Vol.1 No.1
Background/Aims: The authors examined whether the response to interferon (IFN) therapy can affect the development of hepatocellular carcinoma (HCC) in chronic hepatitis B (CHB) patients. Methods: Out of 353 biopsy-proven CHB patients, 229 (65%) were treated with IFN-α for 6 to 12 months. They were followed for a median period of 75 months (range, 6-120). In patients treated with IFN, biochemical and virologic responses were evaluated at the end of treatment (EOT). The cumulative incidence rates of HCC were calculated and analyzed in relation to baseline characteristics as well as biochemical and virologic responses to IFN therapy. Results: The overall cumulative incidence of HCC was 0%, 0.8%, 3.7% and 5.5% at 3, 5, 7 and 8 years, respectively. Age, serum AFP levels and the stage of fibrosis were significantly associated with the occurrence of HCC. As a whole, IFN therapy did not affect the occurrence of HCC. Among the patients treated with IFN, biochemical responders had low HCC incidence rates compared with non-responders (p=0.018). However, the HCC incidence rates of virologic responders were not different from non-responders (p=0.203). Conclusions: Biochemical rather than virologic response to IFN therapy may be more closely associated with decrease of HCC incidence in CHB patients. (Gut and Liver 2007;1:49-55)