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(A) Ab/PtNPs/Thi/Nafion/GR/GC electrode for detection of kanamycin. Reprinted from [71], Copyright 2012, with permission from Elsevier; (B) Antibody-modified and Prussian blue-modified GO (a) and multiplexed electrochemical immunoassay protocol for CEA and AFP detection (b); (C) Left: DPV responses of the immunosensor after incubation with CEA and AFP; center and right: corresponding calibration curves. Reprinted from [77], Copyright 2013, with permission from Elsevier.
