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首页> 外文会议>National conference on sensors >Design of a Label-Free Multiplexed Biosensing Platform Based on an Ultracompact Plasmonic Resonant Cavity
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Design of a Label-Free Multiplexed Biosensing Platform Based on an Ultracompact Plasmonic Resonant Cavity

机译：基于超自联等离子体谐振腔的无标签多路复用生物传感平台设计

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A multi-analyte biosensing platform for the selective label-free detection of protein biomarkers has been designed through a three-dimensional model based on the finite element method. The sensing element of the platform is a planar plasmonic nanocavity, consisting of a one-dimensional periodic structure (Bragg grating) in gold, with a defect, placed on the buried oxide of a silicon-on-insulator substrate. The footprint of this sensing element, which has a good chemical stability, is only 1.57 μm~2. The sensor has a detection limit of 128 pg/mm~2 and a surface sensitivity of 1.8 nm/nm.
机译：基于有限元法通过三维模型设计了一种用于选择性标记的无选择性标记检测的多分析物生物传感平台。平台的传感元件是平面等离子体纳米凹陷，由金的一维周期结构（布拉格光栅）组成，缺陷放置在绝缘体基板的掩埋氧化物上。该感测元件的占地面积具有良好的化学稳定性，仅为1.57μm〜2。传感器的检出限为128pg / mm〜2的检出限，表面敏感性为1.8nm / nm。

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