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Polymers for Microfluidic Chips
송시몬,이근용 한국고분자학회 2006 Macromolecular Research Vol.14 No.2
Microfluidic systems have attracted much research attention recently in the areas of genomics, proteomics, pharmaceutics, clinical diagnostics, and analytical biochemistry, as they provide miniaturized platforms for conven tional analysis techniques. The microfluidic systems allow faster and cheaper analysis using much smaller amounts of sample and reagent than conventional methods. Polymers have recently found useful applications in microfluidic systems due to the wide range of available polymeric materials and the relative ease of chemical modification. This paper discusses the fundamentals of microfluidic systems and the roles, essential properties and various forms of polymers used as solid supports in microfluidic systems, based on the recent advances in the use of polymers for microfluidic chips.
자기공명유속계 해상도 향상을 위한 4.7T MRI용 솔레노이드 RF코일 개발
송시몬(Simon Song),양병권(Byungkuen Yang),조지현(Jee-Hyun Cho) 한국가시화정보학회 2016 한국가시화정보학회 학술발표대회 논문집 Vol.2016 No.4
Magnetic resonance velocimetry (MRV) is a powerful tool to non-invasively measure the velocity of fluid flow in many fields ranging from medicine to engineering and biology. However, since the demands for accurate measurement in the solid/liquid interface for cardiovascular diseases and porous media increase, the improvement of spatial resolution is necessary. In this study, a solenoid RF coil is developed for high spatial resolution measurement. The signal-to-noise ratio in solenoid RF coil is increased seventeen times better than that in commercial coil. Moreover, the velocity distribution of hagen-poiseuille flow is measured with in-plane resolution of 36㎛ by 36㎛.