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메시지 방식을 이용한 가상환경에서의 식물의 성장 모델링
권정우(Jeong-Woo Kwon),김병주(Byung-Joo Kim),김태한(Tae-Han Kim),최운돈(Un-Don Choi),박종희(Jong-Hee Park) 한국정보과학회 2003 한국정보과학회 학술발표논문집 Vol.30 No.1B
식물의 성장을 모델링 하는데 있어서 기존의 시스템들은 식물의 성정에 대한 환경적인 요소를 고려하기보다 식물의 모습을 얼마만큼 실제와 비슷하게 렌더링 하느냐에 초점을 맞추고 있다. 그리고 환경적인 요소를 고려한다고 하더라도 자라는 모습을 표현하기 위한 환경적인 요소만을 고려하기 때문에 다양한 환경에서 식물의 성장을 적절히 표현하지 못한다. 이러한 문제점을 해결하기 위해서 본 논문에서는 메시지 방식을 통해 환경적인 요소를 식물에게 전달하고 식물을 composite object로 구분하여 각각의 object들이 하는 역할과 relation을 기반으로 하여 식물이 다양한 환경에서도 논리성과 사실성을 가질 수 있는 모델을 제시하고자 한다.
차광재배가 눈개승마(Aruncus dioicus var. kamtschaticus)의 성분 및 항산화 특성에 미치는 영향
권정우(Jeong Woo Kwon),박재호(Jae-Ho Park),권기수(Ki Soo Kwon),김대섭(Dae Seup Kim),정진부(Jin Boo Jeong),이희경(Hee Kyung Lee),심영은(Young Eun Sim),김미숙(Mi Suk Kim),윤지용(Ji Young Youn),정규영(Gyu Young Jeong),정형진(Hyung Jin J 한국자원식물학회 2006 한국자원식물학회지 Vol.19 No.1
눈개승마의 총 엽록소, 총 카로테노이드 함량은 무차광에 비하여 차광율이 높을 수록 높았다. 지방산함량은 무차광 재배에 비하여 차광 재배 및 식용 가능시기간의 생육 후기에 감소되었다. 식용가능시기에서의 지방산 종류간의 함량은 oleic acid, palmitc acid, linoleic acid, stearic acid 순으로 높았으며, 무차광에 비하여 차광율이 높을 수록 낮았다. 특히 linoleic산의 함량은 타 지방산에 비하여 차광정도에 따른 함량의 감소율이 매우 높았다. 차광율 및 수확시기간의 휘발성 정유성분의 함량은 차광율이 높을 수록 증가하였고, 초기수확이 높았다. DPPH 소거활성은 6.64-14.49(IC50:㎍/㎖로 항산화 활성이 매우 높게 나타났고 차광정도가 높을 수록 낮았고, 조기 수확 할 수록 높았다. POD 및 SOD 활성은 식물체에 비하여 종자가 매우 낮았고, 무차광에 비하여 차광 재배 시에 증가하였다. POD활성은 식용가능시기의 생육 초기에 비하여 후기에 높았으나, SOD활성은 감소되었다. POD Isozyme band 수는 이식묘의 종자, 잎 및 줄기에서 각 각 6개의 밴드를 나타내었으나, 뿌리에는 없었다. SOD Isozyme band는 송자와 잎에 비하여 뿌리에서 뚜렷하였다. This study was conducted to determine chemical compounds and antioxidant in Aruncus dioicus. Further, effects of cultural practices such as the shading conditions on the general compounds, essential oils and antioxidants. The chemical compounds and antioxidant activity of edible extracts on the shading cultivation and harvesting time were measured by crude fiber, pigments, higher fatty acids, essential oils and DPPH free radical scavenging ability and activities of SOD and POD in edible shooting parts of Aruncus dioicus. The contents of crude fiber, total chlorophyll and total carotenoids in extracts of edible shooting by shading cultivation and later harvesting were higher than those of non-shading cultivation and early harvesting. Phenolic compounds such as benzoic acid were identified as the aromatic compounds in the edible extracts of Aruncus dioicus. The contents of azulene, benzaldehyde and linalool among those compounds on the cultivation conditions increased in shading cultivation. IC50 values of DPPH free radical scavenging activities were high from 6.644 to 14.499m㎍/㎖ in extracts of edible parts and those of edible shooting parts was high such as edible shooting cultivated by 60% shading, 30% shading and non-shading, respectively. The activity of POD and SOD in seeds was lower than that of edible shooting and that by shading cultivation was high in extracts cultivated by non-shading. POD activity of extracts on harvesting time was high in earlier harvesting but SOD activity was low. The numbers of isozyme pattern of POD and SOD in seedling showed 7 bands and 3 bands, respectively, especially, bands of POD and SOD in the first year-growing plant did not show and show a difference according to plant positions, respectively.
괴상형 간세포암 동시 간동맥 항암-방사선요법으로 부분관해 획득 후 근치적 간절제술을 시행한 간세포암
권지숙 ( Jee Suk Kwon ),박우영 ( Woo Young Park ),이경인 ( Kyung In Lee ),이정은 ( Jeong Eun Lee ),김은수 ( Eun Soo Kim ),장병국 ( Byoung Kuk Jang ),정우진 ( Woo Jin Chung ),박경식 ( Kyung Sik Park ),조광범 ( Kwang Bum Cho ),황재 대한간암학회 2009 대한간암학회지 Vol.9 No.-
Advanced hepatocellular carcinoma (HCC) with portal vein thrombosis is not suitable candidates for surgical treatment at the most of diagnosis because of poor liver function, extensive tumor involvement of the liver, vascular involvement, and/or intra/extrahepatic metastasis. We attempted localized concurrent chemo-radiation therapy (CCRT) in patients having locally advanced HCC with left and main portal vein thrombosis. We report a case of locally advanced HCC patient who became surgically resectable by downstaging after localized CCRT. Localized CCRT was performed with a total radiation dose of 5,040 cGy (180 cGy×28 times) and hepatic arterial infusion of 5-fluorouracil (5-FU, 250 mg/day) and cisplatin (10 mg/day) for 5 days via implantable port system during the second and the fifth weeks of the radiotherapy. Marked contraction of HCC was noted on follow up computerized tomography (CT) after localized CCRT, and subsequently surgical resection with curative aim was performed. He was gave a additional transcatheter arterial chemoembolization (TACE) because follow up CT revealed intrahepatic metastasis at subcapsular portion of right hepatic lobe after 3 months of operation. The patient is in complete remission status without recurrence to date.
젊음 에너지를 이용한 가상세계에서의 다양한 식물의 성장 모델링
권정우,박종희,Kwon Jeong-Woo,Park Jong-Hee 한국정보처리학회 2005 정보처리학회논문지B Vol.12 No.1
Most of the plant models based on L-system or particle systems have focused on visual shape of plant. However, the interaction between the plant and its environment in virtual environment will make the plant more natural in diverse situations so that users will be immersed in system. To this end we structure the plant object organized in an ontology, introduce calculating method of plant growth rate based on juvenile energy. 식물을 모델링 한 기존의 시스템들은 시각적인 사실성에 초점을 맞추어 연구되어졌다. 그러나 환경적인 요소를 고려하지 않은 식물 모델링은 가상세계에서의 식물에 대한 논리적 사실성을 감소시켜 사용자들의 몰입감을 떨어뜨린다. 본 논문에서는 환경과 상호작용하는 식물 성장에 초점을 맞추어 다양한 환경에서 식물의 성장을 시뮬레이션 하는 것을 목적으로 한다. 이를 위해 온톨로지에 기반한 식물 객체의 구조를 살펴보고 젊음 에너지를 이용한 식물의 성장률을 계산하는 방법을 제시한다.
장우성 ( Woo Sung Chang ),정우진 ( Woo Jin Jeong ),강경훈 ( Kyung Hoon Kang ),권장훈 ( Jang Hoon Kwon ),홍종삼 ( Jong Sam Hong ),엄대운 ( Dae Woon Eom ),천갑진 ( Gab Jin Cheon ) 대한내과학회 2012 대한내과학회지 Vol.83 No.6
Anaplastic large-cell lymphoma (ALCL) is a rare subgroup of non-Hodgkin`s lymphoma. Primary gastric ALCL is extremely rare. Patients with anaplastic lymphoma kinase (ALK)-positive primary systemic ALCL are known to have better overall survival than those with ALK-negative ALCL. We herein report a case of primary gastric ALK-positive anaplastic large-cell lymphoma. A 37-year-old woman presented with postprandial epigastric pain for 2 months. Endoscopic examination of the upper gastrointestinal tract showed multiple variably sized, round, elevated lesions with friable crater-erosion on the body and fundus. Pathologic examination revealed atypical large lymphoid cell infiltration in the lamina propria; the cells were positive for CD3, CD30, and ALK. We diagnosed the patient with ALCL. She underwent a cycle of chemotherapy with cyclophosphamide, adriamycin, vincristine, and prednisolone. However, she developed brain metastases. Despite two cycles of palliative chemotherapy with high-dose methotrexate for brain metastases, she died due to ALCL progression. (Korean J Med 2012;83:752-756)