Figure 9

(A) Reproducibility of eight individual NS/AgNP/SPEs detecting a 50 μM solution of scopoletin. (B) Long-term stability test of the NS/AgNP/SPE.
(A) Reproducibility of eight individual NS/AgNP/SPEs detecting a 50 μM solution of scopoletin. (B) Long-term stability test of the NS/AgNP/SPE.