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Non-functionalized silver nanoparticles for a localized surface plasmon resonance-based glucose sensor

机译:非功能化的银纳米粒子用于基于表面等离振子共振的葡萄糖传感器

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摘要

The optical properties of non-functionalized silver nanoparticles in ethanol solution have been analyzed and a progressive shift of localized surface plasmon resonances caused by the adding of increasing quantities of glucose has been observed. To understand this occurrence, the interaction of glucose molecules with the silver nanoparticle surface has been investigated using Raman spectroscopy. In addition, high resolution transmission electron microscopy shows the presence of superstructures on the silver nanoparticle surface that can be imputed to the presence of glucose.
机译:分析了乙醇溶液中未官能化的银纳米颗粒的光学性质,并观察到由于添加越来越多的葡萄糖而引起的局部表面等离振子共振的逐步移动。为了理解这种情况,已经使用拉曼光谱研究了葡萄糖分子与银纳米颗粒表面的相互作用。另外,高分辨率透射电子显微镜显示在银纳米颗粒表面上存在可以归因于葡萄糖的存在的超结构。

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