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Detection of Organic Matter in Simulant Martian Soil using Plasmonic-Biosilica SERS Substrate

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Abstract

We fabricate a surface-enhanced Raman spectroscopy (SERS) substrate using plasmonic-biosilica diatoms and gold nanoparticles to detect organic matter down to part-per-billion levels in soil samples that simulate conditions of soil on Mars.

© 2016 Optical Society of America

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