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. 2020 Sep 3;169:112578. doi: 10.1016/j.bios.2020.112578

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Fig. 1 — Opto-microfluidic design and experimental setup. Various components (from I to IV) shown in (a) are assembled into an integrated optofluidic device (b). The samples are delivered to the microfluidic platform by a syringe pump with polyethylene tubings (c). Silicone-based glue is used to seal the device. The reflective fiber optic probe delivers the light provided by the light source to excite the Au nanospikes embedded in the opto-microfluidic chip. The same probe collects the reflected light to the detector.