Journal
ACS NANO
Volume 3, Issue 2, Pages 446-452Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn800831a
Keywords
interference localized surface plasmon resonance (iLSPR); photonic nanostructure; biosensors; biotin-avidin interaction; coupling plasmon; interference
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This paper presents the experimental and simulation analysis of an original nanostructure design constructed with plasmonic gold nanoparticles and photonic thin-film multilayers of silicon dioxide (500 nm in thickness) and silicon on a substrate. Our nanostructure substrate showed a high sensitivity for various refractive index RI solutions and a prominent capacity for functionalizing alkanethiol molecules on the gold surface and demonstrates great potential in the development of a microfluidic-based biosensor for monitoring biotin-avidin interactions in real-time.
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