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Dual-Mode Immunoassay using Photonic Crystal Biosilica

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Abstract

We demonstrate an ultra-sensitive immunoassay biosensor through photonic crystal enhanced fluorescence and surface-enhanced Raman scattering (SERS) using diatom biosilica. We experimentally achieved enhanced detection limit down to 10−16M and 10−13M respectively.

© 2017 Optical Society of America

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