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RAPD 분석을 통한 대황(大黃)과 종대황(種大黃) 감별용 SCAR 유전자 마커 개발
문병철 ( Byeong Cheol Moon ),이영미 ( Young Mi Lee ),천진미 ( Jin Mi Chun ),이아영 ( A Young Lee ),윤태숙 ( Taesook Yoon ),전명숙 ( Myeong Sook Cheon ),추병길 ( Byung Kil Choo ),김호경 ( Ho Kyoung Kim ) 대한본초학회 2009 大韓本草學會誌 Vol.24 No.4
Objectives: Due to the morphological similarity and frequent occurrence of intermediate forms as well as morphological variations of aerial part, the correct identification between Rhei Radix et Rhizoma and Rhei Undulatai Rhizoma is very difficult. To develop a reliable method for correct identification and improving the quality standards of Rhei Radix et Rhizoma and Rhei Undulatai Rhizoma, we analyzed RAPD and developed SCAR marker. Methods: To amplify target DNA at the genomic level, 32 Operon 10-mer random primers were applied with four Rheum species, R. officinale, R. palmatum, R. tanguticum and R. undulatum. The nucleotide sequences were determined and species-specific primers were prepared depending on the species-specific RAPD amplicons after subcloned into the pGEM-Teasy vector. To develop the SCAR markers, species-specific PCR amplification and mutiplex-PCR were carried out using the single species-specific primer pairs and combinations of them, respectively. Results: We used RAPD analysis of four Rheum plant species to obtain several species-specific RAPD amplicons. From nucleotide sequences of these RAPD amplicons, we developed two SCAR markers that amplified 314 bp and 390 bp DNA fragments in only R. undulatum but not in R. officinale, R. palmatum, R. tanguticum and R. undulatum, for distinguishing Rhei Undulatai Rhizoma and Rhei Radix et Rhizoma. Furthermore, we established SCAR markers for the simultaneous discrimination of the three species within a single reaction by using multiplex-PCR. Conclusions: These genetic markers can be used for the efficient discrimination of plants species and commercial herbal medicines between Rhei Undulatai Rhizoma and Rhei Radix et Rhizoma, to ultimately prevent indiscriminate distribution and prescription of these herbal medicines.
장성철(Sung-Cheol Jang),서경호(Kyung-Ho Seo),문병철(Byung-Cheol Moon),박남효(Nam-Hyo Park) 한국생산제조학회 2011 한국생산제조시스템학회 학술발표대회 논문집 Vol.2011 No.4
Although operations of implant in dentistry are expensive, operations are increasing every year. However, when operations failed, then it would rise to serious side effects such as malocclusion, falling off, fracture, infection and others. The model is fitness bridge of the set of fixture and alveolus are made by using a CAE software. We have obtained a combination bridge solution by using orthogonal array. Finally, we have obtained a optimum design solution by using orthogonal array.
외대잔대(Adenophora raoemosa J.Lee & S.Lee)개체군의 classification과 ordination 분석
지윤의 ( Yun Ui Ji ),문병철 ( Byeong Cheol Moon ),이야영 ( A Yeong Lee ),윤태숙 ( Tae Sook Yoon ),송호경 ( Ho Kyung Song ),추병길 ( Byung Kil Choo ),김호경 ( Ho Kyoung Kim ) 한국환경보건기술학회(구 한국환경복원녹화기술학회) 2009 한국환경복원기술학회지 Vol.12 No.6
This study was carried out to investigate vegetation structure and soil properties of Adenophora racemosa population distributed in Jeombongsan, Seoraksan, Odaesan and Dutasan in Gangwon-do, Korea. From August 2007 until September 2009, 2 m × 2 m quadrate was established in native area of Adenophora racemosa in order to record a dominants and coverage, and soil factors at 22 sites. It was found that the altitude in the distributed areas for Angelica gigas population was 800 m or more. Adenophora racemosa population was classified into Rhododendron mucronulatum dominant population, Geranium var. hirsutum dominant population, Carex siderosticta dominant population and Aruncus dioicus var. kamtschaticus dominant population. In the site of study, soil pH, electrical conductivity, soil organic matter, available phosphorous, and exchangeable potassimn, exchangeable calcimn, exchangeable magnesium, exchangeable sodium concentration and total nitrogen were ranged from 5.0~7.1, 0.06~0.65dS/m, 0.96~8.94%, 12.3~32.8mg/kg, 0.12~0.89cmol+/kg, 0.34~10.08cmol+/kg, 0.1~l.4cmol+/kg, 0.02~0.29cmol+/kg and 0~8.4% respectively. According to the results of DCCA, Adenophora racemosa population were distributed in the high available phosphorous and exchangeable potassium, and Rhododendron mucronulatum dominant population was situated on low available potassium and high slope degree, Geranium var. hirsutum dominant population was high altitude, electrical conductivity and exchange magnesium, and Carex siderosticta dominant population and Aruncus dioicus var. kamtschaticus were distributed on high total nitrogen, organic matter, available phosphorous.
임플란트 임시치아 결합형 브리지의 구치부 보철물에 대한 수치해석
서경호(Kyung-Hyo Seo),이치우(Chi-Woo Lee),문병철(Byung-Cheol Moon) 한국동력기계공학회 2014 동력시스템공학회지 Vol.18 No.5
This research examined an immediate loading capable of providing a masticatory function and financial affordability while satisfying every requirement of a useful immediate loading. In this research, numerical value analysis was performed on couple-type posterior teeth implants developed by making up for the problems of extant implants. As a result of examining the effects of external impacts on extant implants and their deformation, relatively lager deformations separated from a molar were found concerning molar deformation implant with the maximum deformation level being approximately 1.657mm. In this research, the improved implant showed much improvement in terms of impact analysis in its deformation dispersion status after unloading the impulsive load from a punch. As for the case of hepf, about 1.657mm occurred but the improved model showed about 0.9217mm, exhibiting 55.6% advancement.