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Conferences > CLEO_SI > 2023 > SF2E > SF2E.4

Flow-through Photonic Crystal Biosilica Optofluidic Device: a Platform for Ultra-Sensitive SERS Detection

Boxin Zhang, Subhavna Juneja, and Alan X. Wang

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Abstract

We present a flow-through optofluidic SERS device with parts-per-quadrillion (10-15) sensitivity towards fentanyl. High density silver nanoparticles on photonic crystal bio-silica and enhanced mass transfer kinetics consequent to 104× improved sensitivity and rapid sensing time.

© 2023 The Author(s)

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