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Lee, Ji Ha,Lee, Jin Hyeok,Jung, Sung Ho,Hyun, Tae Kyung,Feng, Mingxiao,Kim, Jae-Yean,Lee, Jae-Hong,Lee, Hoyeon,Kim, Jong Seung,Kang, Chulhun,Kwon, Ki-Young,Jung, Jong Hwa The Royal Society of Chemistry 2015 Chemical communications Vol.51 No.35
<P>2-(<I>N</I>,<I>N</I>-Dimethylamino)naphthalene-based probe <B>1</B> was found to exhibit a dramatic enhancement in fluorescence upon addition of Zn<SUP>2+</SUP>, but not with any other metal ions. Probe <B>1</B> as a chemoprobe enabled high-resolution fluorescence imaging of zinc ions in HeLa cells and <I>Arabidopsis</I>.</P> <P>Graphic Abstract</P><P>2-(<I>N</I>,<I>N</I>-Dimethylamino)naphthalene-based probe <B>1</B> was found to exhibit a dramatic enhancement in fluorescence upon addition of Zn<SUP>2+</SUP>, but not with any other metal ions. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c5cc01364j'> </P>
한국산업기술대학교에서의 국제 무인 태양광 자동차 경주대회를 위한 차량 제작
이상민(Sangmin Lee),이건준(Gunjun Lee),양병창(Byungchang Yang),채윤병(Yoonbyung Chae),하태균(Taekyun Ha),이호연(Hoyeon Lee),고광훈(Kwanghoon Ko),차애리(Aeri Cha),이강원(Kangwon Lee) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
최근의 자율 주행 기능의 발전에 발맞추어 지식경제부 후원으로 무인태양광 자동차 경주대회가 2012 년 10 월 개최되어 모두 10 개 대학팀과 한 개 산업체 팀이 참여하였다. 이 논문에서는 한국산업기술대학교 출전 차량에 대해 설명하고자 한다.
Kim, Eunhye,Ahn, Hyungju,Park, Sungmin,Lee, Hoyeon,Lee, Moongyu,Lee, Sumi,Kim, Taewoo,Kwak, Eun-Ae,Lee, Jun Han,Lei, Xie,Huh, June,Bang, Joona,Lee, Byeongdu,Ryu, Du Yeol American Chemical Society 2013 ACS NANO Vol.7 No.3
<P>The directed assembly of block copolymer nanostructures with large periods exceeding 100 nm remains challenging because the translational ordering of long-chained block copolymer is hindered by its very low chain mobility. Using a solvent-vapor annealing process with a neutral solvent, which was sequentially combined with a thermal annealing process, we demonstrate the rapid evolution of a perpendicularly oriented lamellar morphology in high molecular weight block copolymer films on neutral substrate. The synergy with the topographically patterned substrate facilitated unidirectionally structural development of ultrahigh molecular weight block copolymer thin filmseven for the structures with a large period of 200 nmleading to perfectly guided, parallel, and highly ordered line-arrays of perpendicularly oriented lamellae in the trenched confinement. This breakthrough strategy, which is applicable to nanolithographic pattern transfer to target substrates, can be a simple and efficient route to satisfy the demand for block copolymer assemblies with larger feature sizes on hundreds of nanometers scale.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2013/ancac3.2013.7.issue-3/nn3051264/production/images/medium/nn-2012-051264_0007.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn3051264'>ACS Electronic Supporting Info</A></P>
Optimized IMS Registration Procedure in Heterogeneous Networks
Hoyeon Lee,Hyun-Woo Lee,Bongkyo Moon 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
In fourth generation networks, mobile user’s IP address would be changed very frequently because network cell size is getting smaller to provide higher data rate. After changing IP address, mobile user shall re-register it to home network for keeping on-going sessions. To provide high quality real-time multimedia applications in this scenario, the registration procedure should be completed in a short time. In this paper, we propose optimized registration procedure.
Lee, Minsik,Cho, Min-Seok,Lee, Hoyeon,Chung, Hyekyun,Cho, Byungchul Korean Society of Medical Physics 2017 의학물리 Vol.28 No.4
The purpose of this study is to install a system that compensated for the respiration motion using an articulated robotic manipulator couch which enables a wide range of motions that a Stewart platform cannot provide and to evaluate the performance of various prediction algorithms including proposed algorithm. For that purpose, we built a miniature couch tracking system comprising an articulated robotic manipulator, 3D optical tracking system, a phantom that mimicked respiratory motion, and control software. We performed simulations and experiments using respiratory data of 12 patients to investigate the feasibility of the system and various prediction algorithms, namely linear extrapolation (LE) and double exponential smoothing (ES2) with averaging methods. We confirmed that prediction algorithms worked well during simulation and experiment, with the ES2-averaging algorithm showing the best results. The simulation study showed 43% average and 49% maximum improvement ratios with the ES2-averaging algorithm, and the experimental study with the $QUASAR^{TM}$ phantom showed 51% average and 56% maximum improvement ratios with this algorithm. Our results suggest that the articulated robotic manipulator couch system with the ES2-averaging prediction algorithm can be widely used in the field of radiation therapy, providing a highly efficient and utilizable technology that can enhance the therapeutic effect and improve safety through a noninvasive approach.
Lee, Dong Hyun,Lee, Hoyeon,Lee, Yonghoon,Kim, Yoonkeun,Ryu, Du Yeol American Chemical Society 2014 Macromolecules Vol.47 No.6
<P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/mamobx/2014/mamobx.2014.47.issue-6/ma402535w/production/images/medium/ma-2013-02535w_0006.gif'></P>