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(a) Absorbance of TMB+H2O2+CC-PdNPs system at 652 nm in the presence of various concentrations of I−; (b) The linear relationship for I− detection (ΔA652nm = A0 − A). A0 and A represent A652nm of TMB+H2O2+CC-PdNPs system and TMB+H2O2+I−+CC-PdNPs system, respectively. Reprinted with permission from Ref. [144]. Copyright 2020 Springer.
