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Label-Free Near Infrared Plasmonic Sensors for High-Resolution Biomolecular Detection

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Abstract

We demonstrated a plasmonic interferometry-free biosensor with a near-infrared excitation wavelength of 988 nm. The Q factor has been improved by 1.75 times compared to 633 nm for 1 nM BSA molecule detection.

© 2023 The Author(s)

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