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앤더슨-뉴만 모형을 이용한 여성의 직접구강진료비 지출에 관한 연구
이흥수,유형근,Lee, Heung-Soo,You, Hyung-Keun 대한치주과학회 1996 Journal of Periodontal & Implant Science Vol.26 No.3
The purpose of this research is to determine elements affecting the out-of-pocket cost of woman. The sample consisted of 1907 women living Iksan city. The survey was conducted by means of questionnaires. The model used in the analysis of out-of-pocket cost was the Andersen-Newman model, while the analysis techniques used were stepwise multiple regression and path analysis. The number of independent variables used in the analysis was 28 in total, ie 19 predisposing components, 6 enabling components, and 3 need components. In this study, the amount of variance by the model was 17 percent. Number of restricted activity days caused by oral disease, perceived susceptibility of dental disease, having a regular dental care, dental treatment costs, education level and income were found to have significant major effects on out-of-pocket cost. Number of restricted activity days caused by oral disease was the most important variable affecting out-of-pocket cost of woman. Also out-of-pocket cost shows larger effect due to enabling components than frequency of dental utilization.
이흥수,김휘,최두열,장진성 한국산림과학회 2009 한국산림과학회지 Vol.98 No.5
We used enzyme electrophoresis to evaluate genetic diversity in five populations of endemic ash, Fraxinus chiisanensis in Korea. Of 15 putative allozyme loci examined 26.7% were polymorphic and expected heterozygosity for the species was low (0.082). Within the range, population were highly differentiated (FST =0.356) and little genetic variation was explained by geography. The pattern of distribution of variation showed low genetic variation within populations and pronounced divergence among populations, which was consistent with the prediction for the effects of limited gene flow and local genetic erosion. Although the frequencies of male plants were dominant ranging from 79.3% to 89.4%, most mating events seems to be inevitable mating between relatives in small populations based on heterozygote deficiency of this species. Small effective population size and the limited dispersal contributed to the low rates of gene flow within as well as between populations.
비타민 A, C, D, E가 정상, 불면화, 악성 구강각화세포에 미치는 영향
이흥수,이윤우,김수남,이선경,이화정,김희수,손대형,최희원,이제중,김은철 대한구강악안면병리학회 2005 대한구강악안면병리학회지 Vol.29 No.5
We studi ed the difTerential elTect of vitamins A, C, U. and E on normal human 이 al keratinocyte(NHOK) , HPV-16 E6E7 immor talized human oral keratinocyte(1HOK) , Oncogene transfected HPV-16 immortalized ce1ls(OTOK) , and two ol'al sq ua mous cell line(HNSCC30‘ HNSCC31) according to carcinogenesis stage. The vitamin effect was evaluated by morphology. ce ll viabi lity. a nd orgnaotypic culture Vitamin A has a greater negative effect on growth for all NHOK IHOK HNSCC. es pec ially N-Ras t rans fected IHOK, Vitamin D & E revealed no significant cell activity on NHOK lHOK, ad OTOK Vitamin C was found increased cell viability to IHOK and OTOK 1n primary oral squmaous cell ca rcino ma (HN30 ). vitam in 0 and C showing increased cell growth , but vitamin E showing no effect 1n metastatic oral squamous cell ca rcinoma(HN31), vitamin C has prol iferative effect , but vitamin 0 & E has anti-proliferative effect Vitamin A t reated normal a nd ma lignant ce1ls by organotypic cu lt ure. showed reduction of epithelial layer and in vasion to connective tissue. , especia lly in 1HOK & oncogene-transfected 1HOK, 1n conclusion. three-dimensional culture sys tem may be useful as a model to acess the efficiency of agents such as a1l trans retinoic acid can preventing progression of these premaligant lesion to maligant oral carcinoma(ch emopreventive agent) .
Fungus gnats, Bradysia spp.의 기주 및 피해증상
이흥수,김태성,신현열,김형환,김규진 한국응용곤충학회 2001 한국응용곤충학회지 Vol.40 No.2
We surveyed on the host plants of Fungus gnat, Bradysia app. and found 21 species in the greenhouse and field. These are as follows: Cucumis sativus L., Cucumis melo L., Citrullus lanatus T., Cucurbita moschata F., Lycopersicon esculentum M., Capsicum annuum L (Pepper), Capsicum annuum L (Paprika), Lillium longiflorum T., Dianthus caryophyllus L., Rosa hybrida H., Gerbera jamesonii B., Chrysanthemum morifolium R, Phalaenopsis schilleriane R., Gladiolus grandiflours H., Zingiber officinale R., Cnidium officinale M., Canavalia gladiata DC., Angelica utilis M., Polygonatum odoratum D., Pinus densiflora S., and Pinus thunbergii P. Fungus gnat larvae cause damages to the root and promote decay and wilt by feeding on the roots and burrowing in plant tissue. Fungus gnats, Bradysia spp.의 기주를 조사한 결과 오이, 멜론, 수박, 애호박, 토마토, 고추, 파프리카, 백합, 카네이션, 장미, 거베라, 국화, 호접란, 글라디오러스, 생강, 천궁, 작두콩, 신선초, 등굴레, 소나무, 해송 등 21종이 조사되었고 이들 유충은 작물의 지제부나 뿌리근권을 가해하여 뿌리절단, 줄기내 침입 등으로 생육저해, 시들음 증상, 식물체 고사의 원인이 된다.