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김유아(You Ah Kim),엄영란(Young Ran Um),이정임(Jung Im Lee),김해진(Haejin Kim),임선영(Sun-Young Lim),남택정(Taek Jeong Nam),서영완(Youngwan Seo) 한국생물공학회 2009 KSBB Journal Vol.24 No.6
지질은 생체내에서 여러 가지 중요한 기능을 한다. 하지만 부적절한 식이 섭취로 인한 지방산의 불균형은 성인병을 비롯한 여러 질병의 원인이 된다. 이러한 이유로 지방산에 대한 관심이 높아지고 있으며 특히 어류나 해조류에 다량 포함되어 있는 n-3계 다중불포화지방산과 질병과의 관련성이 밝혀지고 있다. 따라서 본 연구에서는 염생식물이 n-3 계 다중불포화지방산을 함유할 가능성을 확인하기 위하여 26종의 염생식물에 대하여 지방산의 조성과 함량을 조사하였다. 용매 추출된 염생식물 시료는 gas chromatography를 이용하여 분석이 이루어졌으며, 그 결과, 퉁퉁마디, 수송 나물, 염주괴불주머니, 사철쑥, 갯질경 등이 높은 총지방산 함량을 나타냈다. 또한 포화지방산인 palmitic acid (16:0)는 실험 대상 전체에서 나타났을 뿐만 아니라 그 %함량도 대부분의 염생식물에서 가장 높은 것으로 확인되었다. 불포화지방산의 경우, 단일불포화지방산에서는 oleic acid (18:1)가 그리고 n-6계 다중불포화지방산에서는 linoleic acid (18:2)가 높은 %함량을 보였다. 그리고 n-3계 다중 불포화지방산 중에서 천일사초가 26.40%로 LNA의 함량이 가장 높았으며, 뒤이어 모래지치, 수송나물, 갯메꽃 순으로 나타났다. EPA의 함량은 상대적으로 낮은 비중으로 나타났으나 칠면초가 1.89%로 가장 높은 수치를 보였다. DHA는 여러 대상 식물에서 비교적 높은 함량을 보였으며 특히 흰명주아뀌가 14.54%로 높은 함량을 보였다. 이러한 결과는 염생식물이 해조류나 어류의 n-3계 다중불포화지 방산의 함량에 있어서 뒤지지 않음을 보여줄 뿐만 아니라 천연물 화학적이나 식품학적 추가 연구를 통해 여러 질병의 예방과 치료분야에도 기여할 것으로 사료된다. Fatty acid is an important component of many biological processes. However, an imbalance in diet-especially, a n-3 polyunsaturated fatty acids (PUFAs) deficiency-causes several diseases such as diabetes, cardiovascular disease and cancer. In this study, we analyzed the fatty acid contents and compositions of 26 species of Korean salt marsh plants and found high fatty acid contents from S. herbacea (148.75 μg/mg-dry wt.), S. komarvii (119.05 μg/mg-dry wt.), C. heterocarpa (79.23 μg/mg-dry wt.), A. capillaris (71.65 μg/mg-dry wt.), and L. tetragonum (67.02 μg/mg-dry wt.). In the case of saturated fatty acids (SFAs) composition, palmitic acid is richest in most salt marsh plants. On the other hand, oleic acid and linoleic acid are major components of monounsaturated fatty acid and n-6 PUFA, respectively. In addition, n-3 PUFAs such as LNA (linolenic acid), EPA (eicosapentaenoic acid), and DHA (docosahexaenoic acid) known as the main fatty acid components of fish oils and seaweeds, were also found in S. herbacea, S. komarvii, T. tetragonoides, A. capillaris and G. littoralis.
이정임 한국공예학회 1999 조형디자인연구 Vol.2 No.2
While our civilization has been being modernized so rapidly and westernized too much, the traditional culture has been buried in the past. The reason why I select the “Bichigae”as my study is that the “Bichigae”is one of our past which we have lost. “Bichigae”is a tool to separate hair evenly and straight the line when a woman puts her hair up after brushing long hair. And also it helps to clean the comb. “Bichigae” were made in hundreds of different styles and it had been decorated to present a certain meaning such as “Wealth”,“Long-Live”or“Many Children” etc.. During the Choson era, the role of “Bichigae” is quite important because every man and woman must do hair-do very well. But the society changed too fast between the late 19C and early 20C. People no longer had long hair so that no one needed “Bichigae”any more. I analyze the various pattern and the similarity of “Bichigae”and justify the meaning of them. I expect my study helps to understand what “Bichigae”is before it is totally forgotten.
Crocidolite와 Chrysotile에 의한 DNA의 Degradation
임영,이정임 가톨릭 대학 산업의학 쎈타 산업의학연구소 1996 韓國의 産業醫學 Vol.35 No.1
DNA damage mediated by asbestos plays a part in the mechanism of carcinogenesis. It was well known that exposure to asbestos fiber is associated with asbestosis, mesothelioma, and lung cancer. DNA damage by crocidolite and chrysotile which is well known asbestos fiber was investigated with the incubation of some restriction enxymes. The results were as follows; 1. The DNA digested with EcoR I showed two fragments of the 2.9kb and 1.2 kb. 2. There were no changes of EcoR I-dugested DNA patterns in crocidolite and chrysotile treated DNA as compared to control. 3. The number of vector DNA fragments were increased with the exposure of asbestos fiber for 6 days in comparising with the control when DNA was digested with PvuI. We concluded that corcidolite and chrysotile are able to modify DNA strand regardless of ots toxicity and htis DNA damage might be an important factor in the toxicity of asbestos fiber including carcinogenesis.
음식물쓰레기 비매립, 비소각 처리방법별 상대적 효율성 분석 : 경제성과 환경성의 통합적 평가 A Nonparametric Approach
권오상,강대희,이정임,임동순 한국환경경제학회 한국자원경제학회 2001 자원·환경경제연구 Vol.10 No.3
This study analyzes the relative efficiencies of three types of nonlandfill treatment of food wastes; recycling to fertilizers or animal feeds, reducing the size of food wastes, and fermentation of food wastes. Unlike previous studies our study incorporates not only usual inputs and outputs but also emissions of pollutants such as odor and noise generated by the treatment facilities into the analysis. A nonparametric method suggested by Fare et al. (1989) has been used to estimate the relative efficiencies of facilities incorporating emission of pollutants. The results show that recycling is more efficient than the other two treatment methods. It is also shown that the usual models that do not incorporate the environmental aspects of the treatment facilities derive a biased conclusion on the relative efficiencies.