S. No Immobilization matrix Analyte Label Detection technique Detection range Detection limit Exposure time Ref.
1 Anti-NSE/ SWNT/ GCE NSE AP DPV 0.033 ng mL-1- 2 µg mL-1 0.033 ng mL-1 60 min [38]
2 Anti CA15-3/TH– NPG–Gr/GCE CA 15-3 HRP DPV 5×10-6- 40 U mL-1 5×10-6U mL-1 30 min [39]
3 Anti-estradiol- Biotin/Strept- ABA-g-SPCE Estradiol HRP Amperome try 0.77 pg mL-1- 250 pg mL-1 0.77 pg mL-1 45 min [40]
4 Anti-GH/ disposable SPCS growth hormone Lable free DPV 25 pg  mL-1- 200 pg mL-1 25 pg mL-1 30 min [41]
5 Anti CEA/APTES/ Si-FET CEA Label Free AC lock-in technique 0.2ng mL-1- 114ng mL-1 0.2 ng mL-1 90 min [42]
6 Anti HIgG/Gr nanosheets- AuNP/GCE HIgG HRP DPV 0.05 ng mL-1- 200ngmL-1 0.05 ng mL-1 50 min [43]
7 AntiAFP/AuNP/G DCS/PTH/GCE AFP HRP DPV 0.7 ng mL-1- 10 ng mL-1 0.7 ng mL-1 25 min [44]
8 Anti-CEA/Au-G/ Chi-Fc/nano- TiO2/GCE CEA Label Free CV 3.4 pg mL-1- 80 ng mL-1 3.4 pg  mL-1 10 min [45]
9 anti-D dimer/ poly (py-pyANTA/M2+) /Au D-dimer Label free DPV 100 pg mL-1- 500 ng mL-1 100 pg mL-1 30 min [46]
10 GOx/Gr/AuNPs/C hi/ Gold electrode Glucose Label free CV 180 μM– 14mM 180 μM - [47]
11 GOx/Gr-Chi/GCE Glucose Label free CV 0.02 mM– 12 mM 0.02 mM - [48]
12 Anti-PSA/PBSE/ Gr/polycarbonate surface PSA Label free multimeter resistance test 0.08 ng mL-1- 100 ng mL-1 0.08 ng mL-1 - [49]
13 Anti-diuron/fG- GO/ SPE diuron AP SWV 0.01pg mL-1- 1000 ng mL-1 0.01 pg mL-1 20 min [37]
14 Anti- hTERT/GO/ITO hTERT Label free DPV 10 ag mL-1 – 50 ng mL-1 10 ag mL-1 30 s present study
Table 1: Response characteristics of various immunosensors reported in literature.