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항체 파지발현 기법을 이용한 HCV E1/E2 복합체에 대한 중화항체 분절의 제작
정정명 ( Jeong Jeong Myeong ),정명교 ( Jeong Myeong Gyo ),설상영 ( Seol Sang Yeong ),이상혁 ( Lee Sang Hyeog ),박은택 ( Park Eun Taeg ),지삼룡 ( Ji Sam Lyong ),박성재 ( Park Seong Jae ),백봉력 ( Baeg Bong Lyeog ),송은경 ( Song 대한소화기학회 2003 대한소화기학회 추계학술대회 Vol.2003 No.-
Hepatitis C virus (HCV)에 의한 감염은 체액성 및 광범위한 세포 매개성 면역반응을 나타내게 된다. HCV 감염과 인체 면역 반응과의 관계에 대한 보고들은 HCV 감염에 의해 유도된 항체들이 HCV 감염을 중화시킬 수 있다고 지적하고 있다. 그러나 이러한 연구결과에도 불구하고 실제로 HCV에 감염된 대부분의 사람들은 만성 감염을 나타내고 있는데, 이 문제에 대해 가장 중요한 사실은 HCV의 자연감염시 유도되는 항체들이 HCV를 완전히 제
Jeong, Min‐,Gyo,Seo, Dong‐,Geun,Ahn, Seong‐,Hyeop,Lee, Wang‐,Sang John Wiley Sons, Inc. 2019 MICROWAVE AND OPTICAL TECHNOLOGY LETTERS Vol.61 No.2
<P><B>Abstract</B></P><P>In this article, a miniaturized ultra‐high frequency (UHF) microstrip traveling wave antenna (TWA) array for cm‐level 2D identification (ID) and position detection systems is proposed. The proposed miniaturized TWA array with nine reading zones for ID and position detection systems has been reduced in size by utilizing LC‐baluns and a microstrip TWA array. It covers the authorized universal UHF radio frequency ID band (840‐960 MHz), has low insertion loss (0.8 dB), and high isolations between TWAs are ≤30 dB. The sensing precision of the proposed TWA array is approximately 1.5 cm and its physical size is 95 × 95 mm<SUP>2</SUP> (~1/4 λ<SUB>0</SUB> at 915 MHz).</P>
Jeong, Min-Gyo,Ahn, Seong-Hyeop,Kim, Ji-Hong,Bae, Sang-Hyeon,Lee, Wang-Sang IEEE 2018 IEEE transactions on microwave theory and techniqu Vol.66 No.7
<P>In this paper, a near-field ultrahigh-frequency radio frequency identification (RFID) system, which has cm-level 2-D positioning precision, is proposed. The system consists of a grid-shaped microstrip traveling wave antenna (TWA) and four-port switched differential feeding networks. To selectively form tag-read sections, opposite directional currents (ODCs) are used. To introduce a microstrip TWA for cm-level 2-D positioning, the influence of <TEX>$H_{z}$</TEX> fields in microstrip TWAs is theoretically analyzed. In addition, to utilize field reinforcement and achieve precise 2-D localization, a grid-shaped microstrip TWA with four-port selective switched differential feeding networks is proposed and investigated. The proposed antenna and feeding network were fabricated on FR-4 substrates. The simulated and measured results demonstrate that precise 2-D tag positioning is achieved using the proposed system utilizing ODC along two selected adjacent microstrip lines in the TWA.</P>
부성안 ( Seong An Booh ),정교철 ( Gyo Cheol Jeong ),김혜빈 ( Hye Bin Kim ),김경수 ( Kyeong Su Kim ),우명하 ( Myeong Ha Woo ),이병호 ( Byoung Ho Lee ) 대한지질공학회 2005 지질공학 Vol.15 No.4
지구조 운동에 의한 지질구조선의 생성과정을 추정한 결과 화강암체 융기 후 2회, 미고결퇴적층 퇴적 후 2회 등 모두 4회의 침강작용으로 대규모 지질구조선이 생성되었으며 침강작용은 동북동-서남서 방향의 인장응력과 북북서-남남동 방향의 압축응력에 의해 일어났다. 함덕과 신흥지역의 응회암 및 미고결퇴적층이 인접한 동·서지역보다 70~140m 정도 더 깊이 분포하고 화강암도 50~500m 정도 더 깊이 분포하는 것은 함덕지역에서부터 신흥리를 포함한 표선지역까지 3회의 차별 침강작용에 의해 함덕-표선 지구대가 형성되었기 때문으로 해석된다. According to the inference results of formation process of the tectonic lineament, totally four events of subsidence including two events after upheaval of granite body and two events after sedimentation of unconsolidated sedimentary layer formed the macroscopic tectonic lineament. The subsidence was occurred by tensional stress oriented ENE-WSW direction and compressional stress oriented NNW-SSE direction. The deeper distribution of tuff and unconsolidated sedimentary layer as much as 70-140m and that of granite as much as 50-500m at Hamdeok and Shinheung than those of the eastern and the western area around Hamdeok and Shinheung is due to the Hamdeok-Pyoseon Graben by three events of differential subsidence from Hamdeok to Pyoseon including Shinheung.
Arthroscopic ankle arthrodesis
Sang Gyo Seo,Jeong Ho Seo,송중원,Ho Seong Lee 대한정형외과 스포츠의학회 2015 Arthroscopy and Orthopedic Sports Medicine Vol.2 No.2
Arthroscopy-guided ankle arthrodesis, a minimally invasive procedure, has been made possible with developments in arthroscopic techniques and instruments over the past two decades. By reviewing the literature we found that the mean union rate after arthroscopic ankle arthrodesis is 93.5%, and the individual union rates after arthroscopic ankle arthrodesis were either similar to or higher than that after open ankle arthrodesis. Interestingly, our review of the literature also showed that the time-to-union for arthroscopic ankle arthrodesis was shorter than that for open ankle arthrodesis suggesting a swifter postoperative recovery time for the former method. Such benefits and good outcomes of arthroscopic ankle arthrodesis have been testified in many reports. Because re-alignment of the deformity is difficult, only the arthritic patients whose deformity is not severe have been indicated for arthroscopic ankle arthrodesis; however, recent advancements in total ankle replacement that works for patients even with mild deformity has challenged ankle arthrodesis as the treatment of choice for arthritis. In conclusion, end-stage ankle arthritis should be well discerned as a useful indication for arthroscopic ankle arthrodesis. End-stage ankle osteoarthritis with high risk for wound complication may be used as one of the most appropriate indications for arthroscopic ankle arthrodesis.
인공강우에 의한 모형토조사면의 붕괴메카니즘 결정 (1)
정지수(Jeong, Ji-Su),정춘교(Jung, Chun-Gyo),이종인(Lee, Jong-In),이승호(Lee, Seong-Ho) 한국지반공학회 2011 한국지반공학회논문집 Vol.27 No.2
This study analyzes the determination of slope failure model due to changes in ground condition followed by heavy rainfall. With a simulated rainfall system, the movement of a slope from the rainfall penetrating the unsaturated soil is investigated with respect to various conditions of pore-water pressure, earth pressure, and moisture content, considering rainfall duration and permeability. As a result of the experiment, under the persistent precipitation of 50mm/h, pore-water pressure of weathered granite soil started increasing from the upper position of the slope, and then the pressure increased in middle and bottom portion of it in timely manner. In case of the pore-water pressure of the standard soil, the pressure increased from the middle and bottom portion, and the cause of the different order is suspected to be the difference in permeability between the standard soil and the weathered granite soil. As an outcome, though the result may vary by each foundation, there exists a danger of slope failure not only when the cumulative rainfall is more than 120 mm but also when the saturation level amounts to 60~75%.