A label-free immunoassay based upon localized surface plasmon resonance of gold nanorods.

Abstract

Robust gold nanorod substrates were fabricated for refractive index sensing based on localized surface plasmon resonance (LSPR). The substrate sensitivity was 170 nm/RIU with a figure of merit of 1.3. To monitor biomolecular interactions, the nanorod surfaces were covered with a self-assembled monolayer and conjugated to antibodies by carbodiimide cross… (More)
DOI: 10.1021/nn7003734

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