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김성범,서정주,곽철훈,김상민,이보라,민선경,황은구,김용인,조욱현,최석구 인제대학교 2008 仁濟醫學 Vol.29 No.-
Lutembacher's syndrome is rare combination of mitral stenosis (MS) and atrial septal defect (ASD). The hemodynamic interplay between the MS and ASD leads to wide variation of clinical presentation. Here we describe a 43-year-old female with Lutembacher's syndrome and tricuspid regurgitation with pulmonary hypertension, who underwent direct closure of ASD and tricuspid valvuloplasty successfully. We also reviewed other literatures in an effort to increase awareness of this condition.
Choi, Bo-Ra,Park, Soo-Jin,Kim, Seok American Scientific Publishers 2016 Journal of Nanoscience and Nanotechnology Vol.16 No.9
<P>Organic electrolytes were prepared by using a mixture of ethylene carbonate (EC) and dimethyl carbonate (DMC) as solvent, tetraethylammonium tetrafluoroborate (TEABF(4)) as a main salt, and a different content of 1-ethyl-3-buthyl imidazolium tetrafluoroborate (BMImBF(4)) as an additive. The aim of present paper is to study properties of electrolyte/electrode interface based on the mixed organic electrolyte by adding a BMImBF(4). The morphology of carbon electrode cycled in prepared electrolytes was investigated by scanning electron microscopy (SEM). The ionic conductivity of the electrolytes was measured, and the electrochemical performances of the electrolytes were evaluated by using cyclic voltammetry. By using the BMImBF(4) salt, the interfacial resistance was decreased and the capacitance and the ionic conductivity were increased.</P>
Choi, Bo-Ra,Park, Soo-Jin,Kim, Seok American Scientific Publishers 2016 Journal of Nanoscience and Nanotechnology Vol.16 No.3
<P>The ionic performances for the mixture of ethylene carbonate (EC) and dimethylcarbonate (DMC) were investigated for supercapacitor electrolyte. The usage of ethylene carbonate (EC) and dimethylcarbonate (DMC) as organic solvent could solve some problems of acetonitrile (AN). The general aim of present paper is compare to properties of electrochemical properties based on two mixed organic electrolytes. The ionic conductivity, viscosity, and electrochemical performances of EC/DMC+0.1 M TEABF(4) mixtures were determined. The ionic conductivity of the electrolytes was measured by AC impedance, and the capacitative performances of the electrolytes were evaluated by using cyclic voltammetry.</P>
Genomic Sequence Variability of the Prion Gene (PRNP) in Korean Cattle
Choi, Sang-Haeng,Chae, Sung-Hwa,Choi, Han-Ho,Kim, Jeong-Seon,Kang, Bo-Ra,Yeo, Jung-Sou,Choi, Inho,Lee, Yong-Seok,Choy, Yun-Ho,Park, Hong-Seog Asian Australasian Association of Animal Productio 2007 Animal Bioscience Vol.20 No.5
In this study, we have investigated sequence variants in the PRNP gene of 20 individuals belonging to the Korean cattle, and have analyzed and compared genetic features between varieties of other cattle breeds. Of the 73 sequence variants identified in Korean cattle, 27 were identified for the first time in this study, whereas 46 of these polymorphisms had previously been isolated. We discovered a 2.6 kb SNP hot spot region localized on the putative promoter region of the PRNP gene. Furthermore, the copy numbers of the octapeptide repeat (24 bp indel) which is detected on the coding sequence (CDS) of the PRNP exhibited a completely homozygous 6/6 genotype which is dominant in other cattle breeds. We also characterized a new 19 bp/10 bp allele located on the putative promoter region of the PRNP gene, which represented 0.71 in allele frequency. To the best of our knowledge, this report is the first to address polymorphisms of the PRNP gene structure in Korean cattle in which BSE has yet to be discovered. Therefore, our findings may prove useful with regard to our current understanding of allelic diversity in bovine species, and may also provide new insights into the genetic factors associated with susceptibility or resistance to BSE.