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국내육성 오차드그라스 품종들의 캘러스 형성율 및 식물체 재분화 효율
김기용,강경민,배은경,이인애,임용우,최기준,박근제,손대영,조진기 Plant molecular biology and biotechnology research 2003 Plant molecular biology and biotechnology research Vol.2003 No.-
Comparisons of callus formation ratios from seed explants, callus sizes, regeneration ratios from callus and regeneration efficiency for 4 orchardgrass (Dactylis glomerata L.) varieties (Three were developed in Korea and one was imported from foreign nation) are as follows; Jangbeol 102 (67.0%) has the highest callus formation ratio in 4 weeks incubated callus after bedding the seed explants, but Potomac (68.4%) has the highest ratio in 6-seek callus. Potomac (3.93cm) has the highest callus size in 4-week callus, but Jangbeol 101 (4.32cm) has the highest size in 6-week callus. Jangbeol 101 (17.7%) has the highest plant regeneration ratio in 4-week callus, but Potomac (37.4%) has the highest raion in 6-week callus. Jangbeol 102 (11.5%) has the highest plant regeneration efficiency in 4-week callus, but Potomac (25.6%) has the highest efficiency in 6-week callus.
이상윤,라병욱,박동수,황인헌,이덕동,신영남,박성배,이동욱,박용석,박형근,손상호,권태근,채경락,정경득 慶北大學校 自然科學大學 1986 自然科學論文集 Vol.4 No.-
An Ac-type Plasma Display Panel (PDP) operating with Ne-Ar(0.1%) Penning mixture gas is fabicated. The characterics of the panel with electrodes covered with thin and thick dielectric layers are studied. The brightness of the Neon-orange light emitted by the panel measured as function of applied voltage and frequency. As an application, a graphic display system equipped with PDP showing still and moving pictures is made.
콩 品種과 根瘤菌(bradyrhizobium japonicum)間의 宿主親和性 및 相互作用
Kyung Geun Bae(裵璟根),Dal Ung Kim(金達雄),Seok Dong Kim(金奭東),Eun Hi Hong(洪殷熹) 한국육종학회 1991 한국육종학회지 Vol.23 No.1
The host affinity and interaction between soybean variety and nodule bacteria strain including R-214, USDA110, and A-1017H⁺ selected as high N-fixing strain in Korea, America and Japan, respectively were examined. The host specificity of nodule strains and various degrees of host affinities between soybean varieties and nodule strains were very high for R-241 with Hwangkeumkong, Jangyeobkong, Union, and Toyosuzu, etc.: very low for R-214 with A-1017H⁺ and IAC-2 and Peking soybean varieties introduced from Brazil and China. High affinity for USDA110 with Jangyeobkong, Hwangkeumkong, Kwangkyo, Williams82, Nambushirome was detected. In general, R-214 originated in Korea showed high host affinity with most of soybean varieties tested. USDA110 known having broad host affinity in America showed a quite good affinity with all soybean varieties. On the contrary, A-1017H⁺ known as a good nodule strain in Japan showed very low host affinity with soybean varieties presented variable response with soybean varieties.
( Kyung Wook Nha ),( Ji Hoon Bae ),( Sun Chul Hwang ),( Young Jun Nam ),( Myung Jin Shin ),( Nikhl N. Bhandare ),( Aseem Kumar ),( Dong Geun Kang ),( Dong Yeong Lee ) 대한슬관절학회 2019 대한슬관절학회지 Vol.31 No.1
Purposes: The purpose of this study is to review the use of an allograft or autograft in medial patellofemoral ligament (MPFL) reconstruction. Materials and methods: Various electronic databases were searched for relevant articles published from January 2000 to September 2017 that evaluated clinical outcomes of MPFL reconstruction using an autograft or allograft. Data search, extraction, analysis, and quality assessments were performed based on Cochrane Collaboration guidelines. Results: The study of 21 autografts and one allograft was included in this review. Although direct comparative studies were unavailable, the Kujala score and subjective results were reported in the majority of these studies. While the use of an autograft for MPFL reconstruction yielded satisfactory clinical outcomes with few perioperative complications, no new outcome has been drawn from the use of allografts. Conclusions: Although many studies have shown favorable clinical results for MPFL reconstruction using an autograft, the clinical results of MPFL reconstruction using an allograft have not yet been sufficient to achieve meaningful clinical results due to low levels of evidence. Direct comparisons were not conducted because there were very few studies on allografts; thus, further research in this area should be performed in the future.
( Kyung Min Bae ),( Seok Won Kim ),( Myung Geun Oh ),( Soeng Hyung Choi ),( Jun Lee ),( Chan Guk Park ),( Man Woo Kim ),( Young Dae Ki ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: Endoscopic sphincterotomy(EST) is widely used in retrieval of stones in common bile duct. And endoscopic papillary balloon dilation(EPBD) has been alternative to EST. EPBD appears to be associated with increased risk of pancreatitis and decreased risk of bleeding. With larger stone, endoscopic balloon dilation with conventional balloon(6-8mm) was reported as less effective for extraction of stone. Endoscopic papillary large balloon dilation(EPLBD) involves endoscopic biliary sphincterotomy followed by balloon dilation using 12-20mm balloon to remove large or diffi cult stones from the common bile duct. EPLBD would theoretically combine advantage of sphincterotomy and balloon dilation by increasing effi cacy at stone retraction while minimizing complication. Methods: 103 patients diagnosed with choledocholithiasis between January 2009 and September 2011 by computed tomography or endoscopic retrograde cholangiopancreatography (ERCP). They were retrospectively evaluated stone removal rate and complication such as bleeding, post- procedure pancreatitis, perforation and asymptomatic hyperamylasemia. Results: Total 103 patients were performed EPLBD or EST for retrieval of common bile duct stones. 39 cases were performed EST and 64 cases were performed EPLBD. Common bile duct(CBD) stones removal rate in the initial session of endoscopic retrograde cholangiopancreatography(ERCP) was similar (82% vs 81% p=0.767) between EST and EPLBD. In the aspect of complications any clinically signifi cant episodes of perforation and bleeding was not developed. There was no statistical difference in post-procedure pancreatitis(7.6% vs 3.1%, p=0.295) and development of asymptomatic hyperamylasemia( 23.4% vs 30.7%, p=0.412) between EST and EPLBD. Conclusions: Unlike EPBD, EPLBD does not appear to be associated with a higher risk of post-ERCP pancreatitis, probably because the pancreatic orifi ce is not effaced with signifi cant force during biliary balloon dilation after EST. EPLBD appears to be reasonable option for removal of large or diffi cult common bile duct stones.