2 条结果 关键词:集成光波导 ×

Integrated optical waveguide-based fluorescent immunosensor for fast and sensitive detection of microcystin-LR in lakes: Optimization and Analysis.

Scientific reports 2017 Liu L, Zhou X, Wilkinson JS, Hua P 等 6 人

当前,能够快速、低成本检测水中多种污染物的生物传感器技术需求迫切。本文报道了一种集成通道波导荧光免疫传感器,可快速同时检测最多32种污染物。该传感器利用波导锥形结构,在固体表面生物分析中提高荧光信号的激发与收集效率,并缓解荧光团光漂白问题。在优化波导几何结构下,首次将该类波导免疫传感器用于湖水中的微囊藻毒素-LR(MC-LR)检测。...

Analysis of integrated optofluidic lab-on-a-chip fluorescence biosensor based on transmittance of light through a fluidic gap.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference 2011 Krishnaswamy N, Srinivas T, Rao GM

灵敏度分析是片上实验室系统设计的重要方面。本文针对集成光流控荧光生物传感器,提出用数学公式计算流体间隙的最佳宽度,使传感器灵敏度达到最大,该最佳宽度对应特定模式光斑尺寸。研究还表明,传感器灵敏度受光耦合效率影响,而耦合效率随流体间隙宽度、流体折射率以及高阶模的变化而变化。论文采用有效折射率法设计银离子扩散玻璃集成通道波导,并在扩散区...