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. Author manuscript; available in PMC: 2020 May 24.
Published in final edited form as: ACS Sens. 2019 Apr 23;4(5):1203–1210. doi: 10.1021/acssensors.8b01453

Figure 3. Quantification of MC-LR using the developed SERS immunosensor.

Figure 3.

(A) Representative SERS images constructed using the 1342 cm−1 peak intensity from the SERS immunoassay (Field of view: 80×80 μm2) at different MC-LR concentrations (0, 0.05, 1.0, 5.0 and 100 μg/L). (B) The plot of the SERS intensity at 1342 cm−1 as a function of the MC-LR concentration. (C,D) The zoom-in versions of the linear regions of concentration-SERS intensity curve in (B). Experiments were performed in triplicates, and the error bars at each concentration of MC-LR represent the standard deviation of the SERS intensity from three independent experiments.