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. 2023 Sep 1;9(9):e19741. doi: 10.1016/j.heliyon.2023.e19741

Table 1.

Comparison of the Electrochemical Performance of previously reported dopamine Sensors.

Material Sensitivity (μA μM−1 cm−2) LOD (μM) Reference
GN/PEDOT/GCE 9 × 10−3 54 × 10−3 [18]
Fe2O3–NiO@GO/GCE 1.68 × 10-−1 5 × 10−3 [19]
Fe3O4@PPy/rGO 8.35 × 10-−1 6.3 × 10−2 [20]
PANI/TRGO-700 6.7 4.3 × 10−1 [21]
GCE/pyrrolic-N-rGO 3.51 3.35 × 10−1 [22]
Cu–Fe NPs/ZEA/Gr 1.97 0.058 This study