基于近红外波段表面晶格共振元表面的生化传感器

2024 IEEE 37th International Conference on Micro Electro Mechanical Systems (MEMS) Pub Date : 2024-01-21 DOI:10.1109/MEMS58180.2024.10439383

Liye Li, Lijun Ma, Wengang Wu

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引用次数: 0

摘要

本文报告了一种基于全金属元表面反射型表面晶格共振（SLR）机制的近红外波段生化传感器。该传感器的灵敏度为 796.6 nm/RIU，优点系数（FoM）为 39.13。NaCl 和葡萄糖溶液的检测限分别低至 0.5% 和 1%。通过表面功能化，该传感器可特异性地高效检测低浓度（0.5 µg/ml）癌胚抗原（CEA）。

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A Biochemical Sensor Based on a Surface Lattice Resonance Metasurface in the Near-Infrared Band

This paper reports a biochemical sensor based on the reflection-type surface lattice resonance (SLR) mechanism in an all-metal metasurface in the near-infrared band. The sensor promotes SLR practicality and has better sensing performances than traditional plasmonic sensors, with a sensitivity of 796.6 nm/RIU and a figure of merit (FoM) of 39.13. The detection limits of NaCl and glucose solution are down to 0.5% and 1% respectively. With surface functionalization, the sensor detects the low concentration (0.5 µg/ml) of the carcinoembryonic antigen (CEA) specifically and efficiently.

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2024 IEEE 37th International Conference on Micro Electro Mechanical Systems (MEMS)

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