From:  Advancements in electrochemical sensors for neurotransmitter diagnosis: innovations in sensitivity, selectivity, and real-time monitoring

 Compression summary of representative electrochemical sensors for neurotransmitter detection and their fabrication strategies.

Sensor typeFabrication techniqueTarget neurotransmitterPerformanceReference
AmperometricrGO/Bi2S3 nanorods modified GCEDopamineLOD ≈ 12.3 nM[20]
AmperometricAuNPs/polymer/rGO/GCEDopamineLOD ≈ 11.5 nM, high selectivity[21]
Voltammetric (DPV, MIP-based)Electropolymerized molecularly imprinted polymer on GCEDopamine, adenineLOD ≈ 0.12 µM[22]
Enzyme-based amperometricGlOx/MWCNT/PPy/PtGlutamateLOD ≈ 0.3–140 µM[23]
Voltammetric (DPV)rGO/GCEDopamineLOD ≈ 0.11 µM[24]
Voltammetric (FSCV)Carbon fiber microelectrodeDopamine, serotoninhighly sensitive[23]