http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
이용자 만족도에 영향을 미치는 수변형 생태공원 계획요소 규명 - 경인 아라뱃길 두물머리 생태공원을 대상으로 -
윤상훈(Yoon, Sanghoon),박재영(Park, Jaeyoung) 인천연구원 2015 도시연구 Vol.- No.9
본 연구는 경인 아라뱃길의 수변형 생태공원을 대상으로 이용자 만족도에 영향을 미칠 수 있는 계획요소를 규명하고자 하였다. 수변형 생태공원은 수변공간과 생태공원이 결합된 형태로 새롭게 연구되고 있는 공원의 형태이다. 분석방법으로는 계획요소가 많은 만큼 다중공선성에 대한 문제를 해결하기 위해 전통적인 다중회귀분석이 아닌 PLS회귀분석을 활용하였다. 분석결과, 수변형 생태공원의 이용만족도에 가장 큰 영향을 미치는 계획요소는 사람들간의 교류공간(커뮤니티 공간)(VIP값 : 1.242)인 것으로 나타났다. 또한, 생태공원으로의 접근편리성(1.138), 생태습지의 원래대로의 보전정도(1.108), 수변의 다양한 형태(1.051), 안내시설(1.036), 다양한 동식물 서식환경 제공·보호(1.025), 훼손된 생태계의 재생 및 복원(1.016), 생태공간들간의 접근성(1.007)순으로 VIP값이 1.0이상-1.2미만으로 중요하게 영향을 미치는 변수로 도출되었다. 본 연구의 결과, 향후 수변형 생태공원의 이용자 만족도를 높이기 위해서는 생태적 계획요소의 적절한 활용과 함께 이용자들의 교류 활성화 및 커뮤니티 의식 제고를 위한 공간조성이 중요하며, 생태공원으로의 접근편리성과 안내시설 등과 같은 기본적인 시설 및 정보도 제공되어야함을 시사해주고 있다. The main purpose of this research is to examine planning factors which can be influential to the satisfaction of visitors with a case study of Kyungin Arabetgil Dumulmeori waterfront eco-park. Waterfront ecological park is a new type of park where waterfront area and ecopark are combined. There are many planning factors that would cause multicollinearity. So the research method was selected PLS regression analysis instead of typical multiple regression analysis. According to the result, the most influential factor in the satisfaction of the service users of the waterfront eco-park is community spaces which visitors are able to communicate each other (VIP rate: 1.242). Other important influential variables are as follows: easy to access (1.138), natural integrity condition as an ecological wetland (1.108), various waterfronts (1.051), guide facilities and information boards (1.036), good inhabiting environment for animals and plantsㆍecosystem protection (1.025) regeneration and restoration of the damaged ecosystem (1.016), accessibility between ecological spaces (1.007). Therefore, it is essential to apply ecological planning factors for improving satisfaction of visitors. It is also important to create some spaces to raising community awareness and park users interaction. Moreover those results suggest that it has to provide well presented basic facilities with easy accessibility and good guide information.
Park, Taehyun,Lee, Yoon Ho,Cho, Gu Young,Ji, Sanghoon,Park, Joonho,Chang, Ikwhang,Cha, Suk Won Elsevier 2015 THIN SOLID FILMS - Vol.584 No.-
<P><B>Abstract</B></P> <P>Sputtered gadolinia-doped ceria (GDC) film was introduced as the cathodic interlayer between an yttria-stabilized zirconia (YSZ) pellet and a Pt cathode in solid oxide fuel cells (SOFCs). The fuel cells with none, 50, 100 and 150nm thick GDC interlayers were fabricated to investigate the effect of the thickness of the GDC interlayer. The performances of the SOFCs with the 100 and 150nm thick GDC interlayers operated at 450°C showed the highest performance. Through electrochemical impedance analysis, it was visualized that the GDC interlayer significantly reduced the faradaic resistance of the SOFC. The degradation of the performance from the increased ohmic resistance by adding the GDC interlayer was negligible. From the topographical images scanned by atomic force microscope, it was observed that the 50nm thick GDC interlayer did not perfectly cover the surface of the YSZ pellet, resulting in incomplete performance enhancement by the sputtered GDC.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Gadolinia-doped ceria was used as a cathodic interlayer in solid oxide fuel cells. </LI> <LI> Sputter was used to deposit gadolinia-doped ceria. </LI> <LI> Gadolinia-doped ceria interlayer improved the electrochemical performance. </LI> <LI> 100nm or thicker gadolinia-doped ceria showed a full functionality as interlayer. </LI> </UL> </P>
Park, Jae Yong,Lee, Won-Kee,Jung, Duk-Ku,Choi, Jin-Eun,Park, Tae-In,Lee, Eung-Bae,Cho, Sukki,Park, Ji-Young,Cha, Sung-Ick,Kim, Chang-Ho,Kam, Sin,Jung, Tae Hoon,Jheon, Sanghoon American Association for Cancer Research 2009 Clinical Cancer research Vol.15 No.5
<P>PURPOSE: This study was conducted to investigate the impact of functional polymorphisms in the FAS and FASL genes on the survival of early stage non-small cell lung cancer (NSCLC) patients. EXPERIMENTAL DESIGN: Three hundred and thirty-eight consecutive patients with surgically resected NSCLC were enrolled. The FAS -1377G>A (rs2234767) and -670A>G (rs1800682) and FASL -844C>T (rs763110) polymorphisms were investigated. Immunohistochemistry was used to assess FAS protein expression in tumors. The genotype and haplotype associations with survival were analyzed using Cox proportional hazards model, Kaplan-Meier method, and the log-rank test. RESULTS: Patients with the GG and combined AG+GG genotypes of the FAS -670A>G locus had a significantly decreased survival when compared with patients with the AA genotype [adjusted hazard ratio=1.71, 95% confidence interval (95% CI)=1.06-2.77, and P=0.03; and adjusted hazard ratio=1.48, 95% CI=1.01-2.20, and P=0.047, respectively]. In addition, the FAS -1377G/-670G and -1377A/-670G haplotypes exhibited a significantly lower survival compared with the -1377G/-670A haplotype (adjusted hazard ratio=1.87, 95% CI=1.20-2.91, and P=0.006; and adjusted hazard ratio=1.31, 95% CI=1.05-1.65, P=0.02, respectively). Strongly positive FAS immunostaining was significantly less frequent in patients with the FAS -670 AG+GG genotype than in patients with the -670 AA genotype (4.5% versus 10.8%; P=0.04). CONCLUSION: The FAS -670A>G polymorphism may affect survival in early-stage NSCLC. The analysis of the FAS -670A>G polymorphism can help identify patients at high risk for a poor disease outcome.</P>
TGFβ1 induces stress fiber formation through upregulation of TRPC6 in vascular smooth muscle cells
Park, Soonbum,Lee, Sanghoon,Park, Eun-Jung,Kang, MinJi,So, Insuk,Jeon, Ju-Hong,Chun, Jung Nyeo Elsevier 2017 Biochemical and biophysical research communication Vol.483 No.1
<P><B>Abstract</B></P> <P>Aberrant transforming growth factor β1 (TGFβ1) signaling plays a crucial role in the pathogenesis of vascular fibrosis. On the other hand, deregulated transient receptor potential canonical 6 (TRPC6) channel expression shows impaired vascular physiology and wound healing. However, it has little been known about the functional association between TGFβ1 and TRPC6 in vascular smooth muscle cells (VSMCs). In this study, we analyzed the microarray data obtained from TGFβ1-treated A7r5 VSMCs. We found that TGFβ1 specifically elevates the expression level of TRPC6 mainly through Smad-dependent canonical pathway. The siRNA against TRPC6 abolished TGFβ1-induced molecular and cellular phenotype changes, including myosin light chain phosphorylation, actin stress fiber formation, and cell migration. These results demonstrate that TRPC6 is an important component of TGFβ1 signaling pathway in VSMCs. Therefore, our findings provide a basis for future investigation aimed at developing novel therapeutic strategies for treatment of vascular fibrosis.</P> <P><B>Highlights</B></P> <P> <UL> <LI> TGFβ1 specifically elevates the expression level of TRPC6. </LI> <LI> TGFβ1 upregulates TRPC6 mainly through Smad-dependent canonical pathway. </LI> <LI> TRPC6 plays a crucial role in TGFβ1-induced stress fiber formation and cell migration. </LI> </UL> </P>
Colossal Absorption of Molecules Inside Single Terahertz Nanoantennas
Park, Hyeong-Ryeol,Ahn, Kwang Jun,Han, Sanghoon,Bahk, Young-Mi,Park, Namkyoo,Kim, Dai-Sik American Chemical Society 2013 Nano letters Vol.13 No.4
<P>Molecules have extremely small absorption cross sections in the terahertz range even under resonant conditions, which severely limit their detectability, often requiring tens of milligrams. We demonstrate that nanoantennas tailored for the terahertz range resolves the small molecular cross section problem. The extremely asymmetric electromagnetic environment inside the slot antenna, which finds the electric field being enhanced by thousand times with the magnetic field changed little, forces the molecular cross section to be enhanced by >10<SUP>3</SUP> accompanied by a colossal absorption coefficient of ∼170 000 cm<SUP>–1</SUP>. Tens of nanograms of small molecules such as 1,3,5-trinitroperhydro-1,3,5-triazine (RDX) and lactose drop-cast over an area of 10 mm<SUP>2</SUP>, with only tens of femtograms of molecules inside the single nanoslot, can readily be detected. Our work enables terahertz sensing of chemical and biological molecules in ultrasmall quantities.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/nalefd/2013/nalefd.2013.13.issue-4/nl400374z/production/images/medium/nl-2013-00374z_0001.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nl400374z'>ACS Electronic Supporting Info</A></P>