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(A) Scheme of the procedure for fabricating the peptide modified electrode; (B) SEM images of porous gold (a and b) and PTAA-covered porous gold (c and d) layers at different magnifications; (D) SWVs with Pb2+ concentration from 1 nM–10 mM; (D) Calibration curve. Reprinted from [126] with permission from Elsevier.
