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Sclerosing Stromal Tumor of the Ovary:MR-Pathologic Correlation in Three Cases
JinYoungKim,Kyung-JaeJung,DuckSooChung,OkDongKim,JinHeeLee,SungKookYoun 대한영상의학회 2003 Korean Journal of Radiology Vol.4 No.3
Sclerosing stromal tumor (SST) of the ovary is a very rare sex cord stromal tumor occurring in a younger age group than other types of stromal tumors and most commonly accompanied by menstrual irregularity. Several unique histologic features including pseudolobulation, sclerosis and prominent vascularity are clearly reflected at ultrasonography and MRI. We report the ultrasonographic and MR features of three cases of histologically confirmed SSTs, and relate them to the pathological findings.
Eff ect of Oral Administration of Korean Red Ginseng on Infl uenza A (H1N1) Virus Infection
Jin Young Kim,Hyoung Jin Kim,Hong-Jin Kim 고려인삼학회 2011 Journal of Ginseng Research Vol.35 No.1
Korean red ginseng (RG), which is a ginseng treated by heating and steaming, has biological activity similar to Panax ginseng. The effect of ginseng on influenza infection has not been studied although it is known to have a broad range of biological activities. The aim of the study is to investigate the effect of RG extract on infl uenza A (H1N1) virus infection. We investigated the inhibitory effect of RG extract on plaque formation by infl uenza A virus in a cell-based plaque assay, and the effect of orally administered RG on infl uenza A virus infection in mice. RG extract, which was applied at a non-cytotoxic concentration, inhibited plaque formation by infl uenza A virus in the cell-based plaque assay. The orally administered RG extract ameliorated body weight loss and signifi cantly increased survival in mice infected with infl uenza A virus. Our results suggest that RG extract has components that reduce the severity of infection by infl uenza A virus and could potentially be used as a complement to treatment of infl uenza A virus infections.
Anisotropic Expansion and Stabilization of the Internal Dimensions in Brane Gas Cosmology
Jin Young Kim 한국물리학회 2006 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.49 No.2I
We address the cosmological question why there are three spatial dimensions in the context of brane gas cosmology. Considering the evolution of a universe when different dimensions are anisotropically wrapped by various branes, we show that the internal dimensions should be wrapped by three- or higher-dimensional branes. Assuming the internal dimensions are effectively wrapped by (D.3)-dimensional branes uniformly smeared along the transverse dimension, we discuss possible stabilization of the internal dimensions.0?
Jinyoung Kim 한국사회학회 2008 韓國社會學 Vol.42 No.4
Using a national telephone probability sample of 2,592 U.S. adults, this study examines age variation in the relationship between socioeconomic status and psychological well-being. Previous studies, which mainly focused on education and physical health, have provided inconsistent results about this age-related pattern. In this study, which takes into account not only education but also occupational prestige and income, overall results suggest a pattern of divergence with age in SES disparities in both depression and anxiety, and this divergence may be driven by the highest SES groups. This study identifies two mechanisms of cumulative advantage to help explain the divergence: accumulation and amplification of advantage. The accumulation process may explain the SES-based mental health divergence through physical impairment and the sense of control, while the amplification process may explain the divergence through amplified effects of work fulfillment and the sense of control on mental health in older ages.
Iterative Two-Dimensional Soft Output Viterbi Algorithm for Patterned Media
Jinyoung Kim,Jaejin Lee IEEE 2011 IEEE transactions on magnetics Vol.47 No.3
<P>We introduce an iterative two-dimensional (2-D) soft output Viterbi algorithm (SOVA) for patterned media storage. Patterned media storage has enormous 2-D intersymbol interference (ISI), which includes ISI from neighboring symbols and intertrack interference (ITI) from adjacent tracks, since there is a small space between adjacent tracks and neighboring symbols. Thus, conventional one-dimensional (1-D) detection schemes have difficulty overcoming the 2-D ISI problem. To combat 2-D ISI, it is natural to consider a 2-D detection scheme. Since the complexity of pure 2-D Viterbi detection is quite high, we propose a 2-D SOVA using two 1-D SOVAs. We also propose an iterative scheme between two 1-D SOVAs to achieve its best performance without error correcting codes.</P>
Jin-Young Kim,Min Jong Bae,Taewon Jeong,Shang Hyeun Park,Sunjin Song,Jeonghee Lee,Intaek Han,Donggeun Jung,SeGi Yu IEEE 2010 IEEE electron device letters Vol.31 No.11
<P>AC inorganic electroluminescence (EL) devices were fabricated using the emitting layer composed of phosphor-single-walled carbon nanotubes (SWCNTs) composite (PSC) to utilize the local field enhancement of SWCNTs. In order to enhance the electric field in an emitting layer with minimized current paths, bare long SWCNTs were shortened by cryogenic crushing method. After electrical aging treatment of the PSC device, partly formed short SWCNT networks in the emitting layer were effectively removed during the electrical aging treatment. High performance of 60% and 43% increase in efficiency and luminance, respectively, was achieved. This PSC device with short SWCNTs could lead to high brightness due to increased electron tunneling into phosphor. The PSC device reveals the importance of high electric field by SWCNTs leading to high EL performance.</P>