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마동칭(Ma DongQing),윤지영(Yoon Jiyoung),장징위(Zhang JingYu) 한국실내디자인학회 2018 한국실내디자인학회 학술대회논문집 Vol.20 No.3
This study is to explore the characteristics of contemporary Chinese architecture from the aspects of the regionalism of environment, culture and technology. Four cases of contemporary Chinese architecture which won the world-wide famous were selected and analyzed. The results are the followings; First, the regionalism of environment emphasizes the building"s response to the regional environment (topography, climate and regional landscape). Second, the regionalism of culture reflects as the relevance between architecture and community structure, economic patterns, folk customs and other social factors of the region. Third, the regionalism of technology requires the coordination of construction process, structure form, materials and other contents of architecture with the regional environment and culture, and emphasizes the suitability of technology. Environment, culture and technology determine that the regionalism of contemporary Chinese architecture is not purely the meaning at the formal level, but explores the underlying causes.
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Highly Sensitive Detection of Malathion Based on FRET between Au/Fe3O4 and Rhodamine B
Di Jia,Dongqing Ma,Xiaodong Du,Lijuan An 대한화학회 2019 Bulletin of the Korean Chemical Society Vol.40 No.8
In this paper, Au/Fe3O4 nanoparticles (Au/Fe3O4 NPs) were prepared and a method for detecting malathion was constructed based on fluorescence resonance energy transfer (FRET) between Au/Fe3O4 NPs and Rhodamine B (RhB). RhB could be electrostatically adsorbed to the surface of Au/Fe3O4 NPs resulting in a low fluorescent background. The malathion hydrolysate with -SH can compete with RhB to form a stronger Au─S bond, thereby promoting the desorption of RhB from the surface of Au/Fe3O4 NPs. This process causes the fluorescence emission to recover. The result demonstrated that fluorescence quenching efficiency of Au/Fe3O4 could reach 50% at 579?nm and the fluorescence recovery efficiency of malathion hydrolysate could reach 61% at 579?nm. The limit of detection (LOD) of malathion was as low as 0.59 ?M. The linear range of detection was 27.24?99.89 ?M. Au/Fe3O4 NPs could be reused by a magnetic concentration-washing process.
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