Sl.No Electrode Detection limit Techniques Reference
1 MCPE/PR 0.53 (μM) DPV [47]
2 PolyDAN-RB4/GCE 0.083 ± 0.003 (μM) DPV [48]
3 Bi2O3/GCE 0.2 (μM) DPV [49]
4 f-MWCNTs/GCE 0.039 (μM) DPV [50]
5 PEDOT/GCE 1.13 (μM) DPV [51]
6 CF/GCE 0.036 (μM) CV [52]
7 Poly(Glycine)/MCPE 0.14 (nM) CV Present work
Table 1: Comparison of poly (glycine) MCPE with other working electrodes.