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Kim, Tae Un,Kim, Suk,Lee, Jun Woo,Lee, Nam Kyung,Jeon, Ung Bae,Ha, Hong Gu,Shin, Dong Hoon The Korean Society of Radiology 2012 KOREAN JOURNAL OF RADIOLOGY Vol.13 No.5
<P>Castleman's disease is an uncommon disorder characterized by benign proliferation of the lymphoid tissue that occurs most commonly in the mediastinum. Although unusual locations and manifestations have been reported, involvement of the renal parenchyma and sinus, and moreover, manifestations as cardiac tamponade are extremely rare. Here, we present a rare case of Castleman's disease in the renal parenchyma and sinus that also accompanied cardiac tamponade.</P>
Anti-proliferative efficacy comparison of conjugated linoleic acid on human cancer cell lines
Yeong Lae Ha, Sook Jahr Park, Boh Hyun Kim, Hoon Gu Kim, So Young Kim, Cyrus Kim Hah, Yong Un Cho, Gon Sup Kim 충북대학교 동물의학연구소 2013 Journal of Biomedical and Translational Research Vol.14 No.4
The anti-proliferative efficacy of t,t-conjugated linoleic acid (t,t-CLA), c9,t11-CLA, and t10,c12-CLA was compared in several human cancer cell lines. Gastric NCI-N87, liver Hep3B, pancreas Capan-2, and lung NCI-H522 cancer cells were incubated with 50 μM CLA isomers over a period of 6 days. The t,t-CLA inhibited the growth of all cancer cell lines to different extents, but c9,t11-CLA and t10,c12-CLA inhibited or stimulated the growth of the cancer cell lines. NCI-N87 cells were the most sensitive to growth inhibition and apoptosis from all CLA isomers tested. In NCI-N87 cells, CLA isomers reduced the release of arachidonic acid (AA) via the inhibition of cytosolic phospholipase A2 (cPLA2 ) activity, consequently reducing the production of PGE2 through the inhibition of cyclooxygenase-2 (COX-2). The efficacies of CLA isomers were in the following order (from most to least effective): t,t-CLA, t10,c12-CLA and c9,t11-CLA. Overall, these results imply that the anti-proliferative efficacy of t,t-CLA on cancer cells, especially NCI-N87 cells, was greater than other CLA isomers due to its induction of apoptosis through the inhibition of cPLA2 and COX-2 activities.
A New Rice Variety Adaptable to Direct Seeding with Lodging Tolerance, "Nonghobyeo"
Sang Jong Lim,Un Sang Yeo,No Bong Park,Byeong Geun Oh,Sae Jun Yang,Ho Yeong Kim,Heung Gu Hwang,You Cheon Song,Do Yeon Kwak,Jong Rae Kang,Woon Goo Ha,Jeom Sik Lee,Soon Chul Kim 한국육종학회 2003 한국육종학회지 Vol.35 No.1
Nonghobyeo', was derived from a mutant of Milyang 95, by pure line selection method, which was developed from the single cross between Chukei 1016 and Milyang 79, by the rice breeding team of National Yeongnam Agricultural Experiment Station (NYAES) in 19
토크-피드백 근골격 웨어러블용 뇌파-근전도 기반 메타버스 인터페이스 장치 설계 및 특성 분석 연구
이민우(Min Woo Lee),하민혁(Min Hyeok Ha),유준상(Jun Sang Yoo),은유빈(Yu Bin Un),이원구(Won Gu Lee) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
As the global pandemic coincides with the advancement in VR/AR technology, the concept of virtually replicating the natural world and its experience is getting attention under the new term ‘metaverse.’ However, the absence of physical interaction between the user and the virtual context is a critical obstacle. In this study, we report a proof-of- concept design and its implementation of the upper limb exoskeleton as a novel metaverse interface device (MID). This device can measure the complex motion of a human elbow and shoulder as input signals and then simulate them in a physical force and torque as output responses under a metaverse environment like Unity. As the evaluation of MID, the Haptic Fidelity evaluation and the results using electroencephalogram measurement devices are presented. This is a measure that can evaluate the immersion of MID. We hope this study will be helpful to serve as a starting point for introducing a genuinely immersive metaverse experience, leading to human-computer interaction.
토크-피드백 근골격 웨어러블용 뇌파-근전도 기반 메타버스 인터페이스 장치 설계 및 특성 분석 연구
이민우(Min Woo Lee),하민혁(Min Hyeok Ha),유준상(Jun Sang Yoo),은유빈(Yu Bin Un),이원구(Won Gu Lee) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
As the global pandemic coincides with the advancement in VR/AR technology, the concept of virtually replicating the natural world and its experience is getting attention under the new term ‘metaverse.’ However, the absence of physical interaction between the user and the virtual context is a critical obstacle. In this study, we report a proof-of- concept design and its implementation of the upper limb exoskeleton as a novel metaverse interface device (MID). This device can measure the complex motion of a human elbow and shoulder as input signals and then simulate them in a physical force and torque as output responses under a metaverse environment like Unity. As the evaluation of MID, the Haptic Fidelity evaluation and the results using electroencephalogram measurement devices are presented. This is a measure that can evaluate the immersion of MID. We hope this study will be helpful to serve as a starting point for introducing a genuinely immersive metaverse experience, leading to human-computer interaction.
김병구,배상일,오태윤,장운하,Kim, Byeong-Gu,Bae, Sang-Il,O, Tae-Yun,Jang, Un-Ha 대한흉부심장혈관외과학회 1996 Journal of Chest Surgery (J Chest Surg) Vol.29 No.6
Malignant mesothelioma has been considered a uniformly fatal disease associated with a median survival of 4 to 18 months. However, a multimodality approach toward therapy may Increase the length of palliation when a maximal resection of tumor is achieved. Recently we have experienced a 49 years-old male patient who had d ffuse malignant mesothelioma. The patient has complained of blood-tinged sputum and right chest pain for several months. Chest x-rays and CT scans showed compact haziness in the right entire thorax with massive bloody elusion, diffuse pleural thickening and collapsed underlying lung. We performed extrapleural pneumonectomy, and postoperative chemotherapy with cisplatin and mltomycin (Memorial Sloan-fettering Cancer Center method) was done. We are observing him for months now and there is no evidence of local recurrence. 미만형 악성 중피세포종은 4∼18개월의 평균생존율을 지닌 치명적인 질환으로 여겨져 왔다. 그러나 종양을 최대한 절제한 후 다양한 접근을 통한 치료방법으로 생존기간을 연장할 수 있다 최근 저자들은 미만형 악성 중피세포종을 가진 49세 남자환자를 치험하였기 에 보고하는 바이다. 환자 는 수개월 동안 혈성객담 및 우측흥통을 호소하였고, 단순흉부사진 및 컴퓨터 단층촬영에서 우측 전흥 강이 진한 음영으로 가리워 져 있었으며 많은 양의 혈성삼출, 미만성 늑막비후와 폐허탈, 파괴 등의 소견 을 보였다. 저자들은 늑막케절제술을 시행하였고, cisplatin과 mitomycin으로 보조적인 항암화학요법을 하였다. 그후 환자는 수 개월간 외래 추적관찰을 받았으며 술후 4개월 현재까지 국소재발의 증거는 없었다.
Park, Kyung-Ah,Kim, Seck-Jong,Park, Soo-Jahr,Park, Gu-Boo,Lim, Dong-Kil,Bahn, Kyeong-Nyeo,Cho, Yong-Un,Park, Jung H.Y.,Pariza, Michael W.,Ha, Yeongl-Lae The Korean Society of Food Science and Nutrition 2001 Preventive Nutrition and Food Science Vol.6 No.1
Conjugated linoleic acid (CLA), when incorporated into mouse liver microsomal membranes, selectively inhibits the mutagenesis of 2-amino-3-methylimidazo[4,5-f] quinoline (IQ). Nine-week old female ICR mice were given (p.o.) 0.1 mL olive oil alone (control), 0.1 mL olive oil plus 0.1 mL linoleic acid, or 0.1 mL olive oil plus 0.1 mL CLA, twice weekly for four weeks. The animals were then sacrificed and liver S-9 fractions were prepared. Activation of IQ for mutagenesis by the liver S-9 from CLA-treated mice was significantly reduced in comparison wit liver S-9 from control or linolic acid-treated mice. By contrast, the activation of 7,12-dimethylbenz[a] anthracene (DMBA) and benzo[a] pyrene (BP) was unaffected. Hence, CLA incorporated into phospholipids may selectively affect cytochrome P450 isozymes responsible for activating IQ, but not those which activate BP or DMBA. The addition of free CLA or the methyl esters of CLA, linoleic acid, or oleic acid, to control S-9 inhibited the activation of all three mutagens (IQ, BP, and DMBA).
김영두,하운구,송유천,조준현,양은인,이재길,Kim Young Doo,Ha Un Gu,Song You Chun,Cho Jun Hyeon,Yang Eun In,Lee Jae Kil 한국작물학회 2005 Korean journal of crop science Vol.50 No.suppl1
밥의 식미관련 특성에 영향을 미치는 요인을 알아보기 위해 쌀의 물리적인 특성과 식미치와의 상관을 비교하였다. 공시재료로 일품, 호안, 호진, 신동진 및 고시히까리를 사용하여, 식미치, 공극률, 팽창률, 가열시간, 색도, 수분흡수율, 경도, 찰기 둥을 분석한 결과는 다음과 같다. 1. 식미치가 높은 고시히까리의 경우 공극률 및 팽창률은 19.0 및 $286\%$로 낮은 값을 보인 반면, 찰기 및 가열시간에서는 높은 값을 보였고, 수분흡수율은 고 시히까리 및 신동진이 일품, 호진 및 호안보다 느렸다. 2. 팽창률(-0.3897), 공극률(-0.8736) 및 수분 흡수속도(-0.9601)는 식미치와 부의 상관을 보인반면, 가열시간(0.8608), Waxiness(0.9198)및 경도(0.4779)는 식미 치와 정의 상관성을 보였다. 3. 식미치에 대한 각 물리적 특성들의 기여도에서는 수분 흡수속도가 $35.9\%$로 기여도가 가장 크고, 다음으로 공극률$(22.7\%)$, 가열시간$(17\%)$ 및 찰기$(8.2\%)$ 순 이었다. Many parameters such as textural, cooking and pasting properties and chemical components aye the main reasons of tardy progress in evaluation of cooked rice. To increase the evaluation effect of cooked rice, physical properties and palatability of cooked rice were studied with five varieties. The highest palatability was observed in Kosihikari while Hoan showed the lowest value. The cooked rice of Kosihikari showed a high values of waxiness (0.12) and boiling time (21.1 min.) while the porosity and expansibility were as low as 19.0 and $28.6\%$, respectively. The water absorption time of Kosihikari and Sindongin was a little bit slow compare to the other varieties. A negative correlations were observed between palatability and expansibility (-0.390), porosity (-0.874**) and water absorption time (-0.960**) while a positive correlations were observed between palatability and boiling time (0.861**), waxiness (0.920**) and hardness (0.478). The path coefficient of water absorption time, porosity, boiling time and waxiness contributed to the palatability were 35.9, 22.7, 17.0 and $8.2\%$, respectively, Thus, the results obtained in this study suggested that the physical characteristics of vice grains could be effectively utilized in high quality of cooked rice breeding programs.