13 research outputs found

    Colorimetric plasmonic sensor using periodic nano-pattern

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    Computational Analysis of 3D Novel Colorimetric Plasmon Sensor Structure based on Aluminum Anodized Oxide Structure

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    Colorimetric Sensor for Point-of-Care Diagnostics Using Localized Surface Plasmon Resonance

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    MasterColorimetric sensors of which the signal can be read with naked eyes have been developed using AAO/Au nanostructure which exerts plasmonic effects resulting color transition as additional Au which is reduced by glucose is depositied on it. AAO nanostructure platform designed using FEM simulation was 30nm in diameter and 340nm in depth, on which 15nm thick Au layer was covered, leading to the visible color change from green to red. As the simulated structure was fabricated on Al sheet, the colorimetric sensor for the naked-eye sensing was realized, in good agreement with the simulation ones. When 500nM of glucose is presented it showed clear color transition from green to red under 20min

    좌측 대장 간치술을 이용한 식도 재건의 수술적 결과

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    Purpose: In esophageal reconstruction, the colon could be used as an alternative organ when the stomach is unavailable. Operative morbidity and functional outcome were evaluated in addition to risk factor assessment. Basic Procedures: From 1991 to 2008, esophageal reconstruction with the left colon was performed in 38 patients by transthoracic (n=13), transhiatal (n=9), and bypass (n=16) surgery. Main findings: No conduit necrosis or operative mortality was observed. Morbidity was seen in 12 patients (31.6%). Leakage occurred in 3 patients (7.8%). Stricture occurred in 9 patients (23.7) Principal Conclusions: Left colon interposition is applicable to patients with malignant and benign disease with low morbidity and mortality rate, and favorable functional statusope

    Selectively Growth of ZnO Nanorod Arrays by Modulating the Surface Roughness of GaN using KrF Laser

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