Table 1: Comparisons of proposed method with other reported immunosensors for PSA.

From: Label-free Electrochemiluminescent Immunosensor for Detection of Prostate Specific Antigen based on Aminated Graphene Quantum Dots and Carboxyl Graphene Quantum Dots

Electrode materialsLinear rangeDetection limitReference
Au-NS/ POEGMA-co-GMA brush5 pg/mL ~ 1000 ng/mL2.3 pg/mL21
MWCNTs/IL/TH0.2 ~ 1.0 ng/mL
1.0 ~ 40 ng/mL
20 pg/mL22
SWNTs0.25 ng/mL23
AuNP-PANI/Au1.0 pg/mL ~ 100 ng/mL0.6 pg/mL24
Au/Ag-rGO/Aminated-GQDs/Carboxyl-GQDs1.0 pg/mL ~ 10 ng/mL0.29 pg/mLThis work