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. 2016 Feb 26;6:22234. doi: 10.1038/srep22234

Figure 6.

Figure 6

(A) Calibration curve of decrease value of ECL intensity (ΔI) to logarithmic NSE concentration. Insert: ECL− time curves of the immunosensor incubating with 1.0 × 10−11 mg mL−1, 1.0 × 10−10 mg mL−1, 1.0 × 10−9 mg mL−1, 1.0 × 10−8 mg mL−1, 1.0 × 10−7 mg mL−1, 1.0 × 10−6 mg mL−1 and 1.0 × 10−5 mg mL−1 NSE. (B) ECL responses of the proposed immunosensor incubating with 2.0 × 10−8 mg mL−1 of CEA, AFP, BSA, 1.0 × 10−9 mg mL−1 of NSE and their mixture. The ECL response was determined in 0.1 M PBS (pH 7.5); Scan rate: 100 mV s−1. Scan potential: 0~1.35 V.