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문세호(Se-Ho Moon),채상훈(Sang-Hoon Chai),손영수(Young Su Son) 大韓電子工學會 2011 電子工學會論文誌-SD (Semiconductor and devices) Vol.48 No.5
반도체 및 LCD 세정공정에 사용된 오존수 속의 용해오존을 분해할 수 있는 시스템을 개발함으로써 향후 고성능-저가격의 반도체, LCD PR 박리 및 세정 공정에 적용할 수 있는 핵심 공정기술을 확보하였다. 이 기술을 적용하면 반도체 웨이퍼 및 LCD 평판의 PR 박리 세정 공정을 보다 빠르고 저렴한 비용으로 수행할 수 있으므로 반도체 및 LCD 공정 생산성의 향상을 꾀할 수 있다. We have developed dissolved ozone decompose system in the used ozonated water for the semiconductor and LCD fabrication processes, which will be base of obtaining core process technology in the high performance, low price semiconductor and LCD fabrications. Using this technology, it is possible for the semiconductor wafer and LCD planer to process more rapid and chip, and productivity will be improved.
문세호(Se-Ho Moon),박세환(Se-Hwan Park),채상훈(Sang-Hoon Chai) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.11
This paper describes a study on EC recycling system for PR stripping in Semiconductor Process. EC is very useful chemical for PR stripping but it is difficult to recycle. We have developed a system to recycle the EC with ozone gas. The experimental results show that EC can be recycled about 10 times through this system.
반도체/LCD PR 제거용 EC의 재이용 기술에 관한 연구
문세호(Se-Ho Moon),채상훈(Sang-Hoon Chai) 大韓電子工學會 2009 電子工學會論文誌-SD (Semiconductor and devices) Vol.46 No.10
오존을 이용하여 PR 박리에 사용된 에틸렌 카보네이트계 박리 세정제를 재이용할 수 있는 기술에 대하여 연구함으로써 향후 고성능-저가격의 반도체, LCD 제조에서의 PR 박리 및 세정 공정에 적용할 수 있는 핵심 공정기술을 확보하였다. 이 기술을 적용하면 반도체 웨이퍼 및 LCD 평판의 PR 박리 세정을 보다 빠르고 저렴한 비용으로 수행할 수 있으므로 반도체 및 LCD 제작공정의 생산성을 향상시킬 수 있다.
흰쥐에서 척수 손상후 반응성 별아교세포에서의 CNTF 발현 증가
김창재(Chang Jae Kim),문세호(Se Ho Moon),이병호(By 대한통증학회 1998 The Korean Journal of Pain Vol.11 No.2
N/A Background: Ciliary neurotrophic factor (CNTF), identified as a survival factor for developing peri- pheral neurons is upregulated by reactive astmcytes in the traumatized tissue and in areas of terminal degeneratian after a brain lesion. But in the spinal cord, CNTF is expressed in the non-astrocytic pheno- typic, maybe oligodendrocytes. The present study was undertaken to determine the upregulation of CNTF expression in reactive astrocytes following spinal cord lesion in the rat. Methods: Unilateral incision of the dorsal funiculus at the thoracic level was performed and rats were sacrificed on days 3, 7, 14 and 28 postlesion. Western blot analysis, immunocytochemical analysis and double immunofluorescence for CNTF and glial fibrillary acidic protein (GFAP) were performed after spinal cord lesion. Results: A major band with 24 kDa and additianal band of higher molecular weight form were detect- able, and the intensity of the 24 kDa immunoreactive band increased up to 14 days postlesion and de- creased toward huninectomized control values. CNTF immunoreactivity was markedly upregulated in the injured dorsal funiculus and adjacent gray matter. The time course of CNTF expression is coincident with the appearance of reactive astrocytes in the injured spinal cord. Moreover, double immunofluo- amcence for CNTF and glial fibrillary acidic protein (GFAP) revealed that CNTF immunoreactivity was in GFAP immunoreactive astrocytes. Conclusions: These results show that CNTF upregulation occurred in reactive astrocytes following spinal cord lesion, and suggest a role for CNTF in the regulation of astrocytic responses after spinal cord injury.
전연수(Yeon-Su Jeon),김인범(In-Beom Kim),이은진(Eun-Jin Lee),문세호(Se-Ho Moon),임용걸(Yong-Gul Lim),천명훈(Myung-Hoon Chun) 대한해부학회 2004 Anatomy & Cell Biology Vol.37 No.1
이 연구는 흰쥐의 허리신경뿌리 찢김손상 후 허리척수에서 osteopontin (OPN)의 발현을 in situ hybridization 조직화학법, 면역세포화학법 및 western blot 분석법으로 조사하였다. 정상 동물에서 OPN을 발현하는 세포는 앞쪽뿔에 위치한 운동신경원과 사이신경원이었다. 찢김 손상 후 1일부터, OPN 발현세포 수는 앞뿔과 중간부위에서 증가하였고, 3일에는 비교적 강한 OPN이 손상 받은 쪽의 회색질 전 부위에 걸쳐 증가하였다. 7일에는 OPN 발현 양상이 3일의 것과 유사하였으나, 앞뿔과 중간부위에서 OPN 발현 세포수는 최고치를 나타내었다. 이들 발현세포는 신경세포였다. 찢김 손상후 14일에는 뒤뿔에 위치한 OPN 발현 세포는 거의 소실하였고, 발현 양상이 1일의 것과 유사하였다. 28일에는 OPN 발현 세포가 정상에서 보다 더 감소하였다. 이 결과로 찢김 손상 후 허리 척수에서 증가 발현된 OPN은 신경원의 손상과정에 중요한 역할을 할 것으로 생각된다. This study investigated the expression of osteopontin (OPN) in rat lumbar spinal cords after lumbar nerve root avulsion, using in situ hybridization histochemistry, immunocytochemistry and western blot analysis. Cells expressing OPN were motoneurons and interneurons in the ventral horn, but no signals were observed in neurons in the dorsal horn of the normal lumbar spinal cord. From day 1 after avulsion injury, OPN mRNA-labeled neurons increased in the ventral horn and the intermediate zone. By day 3, relatively strong OPN mRNA signals were found throughout the gray matter of the injured side of the spinal cord with OPN mRNA-labeled cells scattered in the superficial dorsal horn. By day 7, the labeling patterns for OPN mRNA were similar to those on day 3, but the numbers of OPN mRNA-labeled cells in the ventral horn and the intermediate zone peaked. At this point, these labeled cells were also more densely packed and the intensity of signals was stronger. Interestingly, these labeled cells were neurons, but not glial cells such as astrocytes or microglia. This OPN mRNA-labeled cell profile in the dorsal horn had nearly disappeared by day 14 after avulsion injury, and the labeling pattern became similar to that on day 1. By day 28, after avulsion injury, the numbers of OPN mRNA-labeled cells decreased further below control values. These results suggest that increased expression of OPN in the rat lumbar spinal cord after avulsion injury might play an important role in the pathogenesis of damaged neurons.
실험연구 : 흰쥐 뇌에서 고속원심 분리법을 이용한 신경줄기세포 추출 및 배양
김현숙 ( Hyun Sook Kim ),정미영 ( Mee Young Chung ),김창재 ( Chang Jae Kim ),채준석 ( Jun Seuk Chea ),임용걸 ( Yong Gul Lim ),문세호 ( Se Ho Moon ),최봉철 ( Bong Chul Choi ),이병호 ( Byung Ho Lee ) 대한마취과학회 2006 Korean Journal of Anesthesiology Vol.51 No.3
Background: During recent two decades of crucial revision of some cornerstone concepts has opened new horizons in neurosciences. Modern basic viewpoints include the idea of high CNS plasticity which means not only rearrangement of neurons and their interconnections, but also the formation of new neural cells in humans and animals during their whole life span. The purpose of this study is to harvest neural stem cell from the adult rat brain using the high speed centrifugation method and study the characteristics of these cell. Methods: 60 rats (Fisher 344, 150-160 g) brain were saved under inhalation anesthesia and dissect the subventricular zone under the microscope. The brain tissue was digested with enzyme to make a cell suspension. The cell suspension was processed high speed centrifugation to separate the neural stem/progenitor cells according to the buoyancy. After 2 weeks culture, immuno-staining (O4, GFAP, Nestin, beta-tubulin III and DAPI) were performed and replated the cultured cells. Results: The 2 weeks culture cells were positive 92.8% in Nestin, 91.5% in O4 and 87.6% in Gal-C. But only positive 1.4% in β-tubulin III and 5.5% in GFAP. And replated cell culture shows similar results compared to the primary culture. Conclusions: With this high speed centrifugation method, authors can harvest neural stem/progenitor cells from the adult rat brain. Although we have many limitations using these cell in clinical trial, but we can afford to next step on neural stem cell research. (Korean J Anesthesiol 2006; 51: 343~9)