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Ultra-Sensitive Detection of Explosive Molecules using Multi-Functional Plasmonic-Biosilica

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We fabricate plasmonic-active SERS substrates by diatom biosilica through in-situ synthesis of in-pore silver nanoparticles. Such bioenabled multi-functional SERS substrate enables label-free detection of explosive molecules down to 2.7×10-15 gram on a single diatom frustule.

© 2016 Optical Society of America

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