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A study on color planning for student residence based on Korean traditional color
Sim Min-kyoung(심민경),Lee Hyeon-su(이현수) 한국디자인학회 2010 한국디자인학회 학술발표대회 논문집 Vol.2010 No.10
The purpose of this study is to provide basic standard on color environment plans inside of student residence, which can increase the functional efficiency by using Korean traditional color known as 'Dancheong'. Color perception is very important element to decide the atmosphere and image of environment. Lots of university dormitories need place that is equipped with both educational and residential functions. Moreover, it should provide environment that can improve the quality of schoolwork by satisfying students' various needs through changing its spatial composition properly for the current trend. The color design focuses on dormitories in Yonsei University Songdo International Campus. The process of the color design is as follows: First, the color design concept is proposed throughout the documentary survey, the site analysis, and the case study. Second, the color zoning is applied from the floor plan analysis by Korean traditional color known as 'Dancheong'. Third, the color design is proceeded using Natural Color System, consists of color selection, nuance control, and color simulation. As mentioned above, It reinforces the identity of the international campus can playa role. In this study, therefore, we will separate the dormitory space by domain and focus on a color plan by 'Dancheong' for each spaces and floors.
Biomolecule based fiber supercapacitor for implantable device
Sim, Hyeon Jun,Choi, Changsoon,Lee, Dong Yeop,Kim, Hyunsoo,Yun, Ji-Hyun,Kim, Jung Min,Kang, Tong Mook,Ovalle, Raquel,Baughman, Ray H.,Kee, Chang Won,Kim, Seon Jeong Elsevier 2018 Nano energy Vol.47 No.-
<P><B>Abstract</B></P> <P>With the growing demand for electronic medical devices for healthcare applications, we studied an implantable supercapacitor that can operate in an implantable electronic device. Here, we report a flexible implantable fiber supercapacitor for an in vivo energy storage device. The fiber supercapacitor has a high flexibility and a high potential to be applied in an implant device because the fiber can be implanted in the blood vessel and the wound can be stitched with the fiber-like suture. The fiber electrodes were fabricated in a biscrolling process that trapped poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/ferritin nanoclusters within multiwalled carbon nanotube (MWNT) sheets that provide mechanical strength and electrical conductivity. In addition, the supercapacitor is biocompatible because the MWNT sheets are coated with biocompatible materials such as PEDOT:PSS and ferritin. The areal capacitance of the PEDOT:PSS/ferritin/MWNT fiber supercapacitor was 32.9 mF/cm<SUP>2</SUP> in a phosphate buffered saline solution, and the areal energy density was 0.82 μWh/cm<SUP>2</SUP>; these values are 52 times higher than that of the guest-free MWNT yarn. The supercapacitor operated well in a mouse and exhibited excellent biocompatibility; the capacitance was maintained above 90% in the mouse after eight days.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Abdominal muscle of the mouse was stitched with the micro-diameter fiber supercapacitor like suture. </LI> <LI> The flexible fiber supercapacitor performance was maintained above 90% in the mouse after eight days. </LI> <LI> The PEDOT:PSS/ferritin nanocluster was enhancing the areal capacitance by the synergistic effect. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>The fiber supercapacitor has a high flexibility and a high potential to be applied in an implant device because the fiber can be implanted in the blood vessel and the wound can be stitched with the fiber-like suture. The supercapacitor operated well in a mouse and exhibited excellent biocompatibility.</P> <P>[DISPLAY OMISSION]</P>
Kim, Min Chul,Jeong, Myung Ho,Sim, Doo Sun,Hong, Young Joon,Kim, Ju Han,Ahn, Youngkeun,Ahn, Tae Hoon,Seung, Ki Bae,Choi, Dong-Joo,Kim, Hyo-Soo,Gwon, Hyeon Cheol,Seong, In Whan,Hwang, Kyung Kuk,Chae, S Elsevier 2018 The American journal of cardiology Vol.121 No.11
<P>The optimal timing of percutaneous coronary intervention (PCI) in patients with non–ST-segment elevation myocardial infarction (NSTEMI), complicated by acute decompensated heart failure (ADHF), is unclear. A total of 1,027 patients with NSTEMI complicated by ADHF who underwent successful PCI were analyzed using a Korean multicenter registry. All patients were divided into 4 groups by the timing of PCI: group 1 (PCI < 2 hour after admission, n = 149), group 2 (2 to 24 hours, n = 577), group 3 (24 to 72 hours, n = 189), and group 4 (≥72 hours, n = 112). We analyzed the incidences of 12-month mortality, nonfatal myocardial infarction (MI), target-vessel revascularization, and rehospitalization because of HF. The prevalence of ADHF in patients with NSTEMI was 15.2% at initial presentation, and in-hospital mortality was higher in group 1 than in the other groups. There were no significant differences in mortality, nonfatal MI, target-vessel revascularization, or rehospitalization for HF during the 12-month follow-up between groups, regardless of initial PCI timing, except for a higher 12-month mortality in patients who received PCI within 24 hours (vs ≥24 hours) (hazard ratio 1.52, 95% confidence interval 1.09 to 2.29, p = 0.046). Early PCI did not reduce adverse clinical outcomes in patients with NSTEMI complicated by ADHF. Delayed PCI after stabilization may be reasonable in such high-risk patients.</P>