| AC | alternating current |
| AEC | amperometric electrochemical |
| AuNPs | gold nanoparticles |
| bsa | bovine serum albumin |
| CA | chronoamperometry |
| CAN | cantilever |
| cDNA | complementary DNA |
| CNT | carbon nanotube |
| CO | colorimetric |
| CRET | chemiluminescence resonance energy transfer |
| CSRP | circular strand-replacement DNA polymerization |
| CV | cyclic voltammetry |
| Cy3/Cy5 | cyanine 3, cyanine 5 |
| dsDNA | double stranded DNA |
| DPV | differential pulse voltammetry |
| EBFC | enzyme biofuel cell |
| ECL | electrochemiluminescent |
| EIS | electrochemical impedance spectroscopy |
| ELAA | enzyme-linked aptamer assay |
| ELISA | enzyme-linked immunosorbent assay |
| ESI-IMS | electrospray ionization-ion mobility spectrometry |
| FAM | fluorescein amidite |
| FIS | faradaic impedance spectroscopy |
| FL | fluorometric |
| FRET | fluorescence resonance energy transfer |
| GO | graphene oxide |
| HRP | horseradish peroxidase |
| IEC | impedimetric electrochemical |
| KD | dissociation constant |
| LOD | limit of detection |
| LCA | liquid crystal assay |
| LSPIA | light scattering particle immunoagglutination assay |
| LSV | linear sweep voltammetry |
| MB | methylene blue |
| MCH | 6-mercapto-1-hexanol |
| MIP | molecularly imprinted polymer |
| MOF | metal organic framework |
| MWCNTs | multi-walled carbon nanotubes |
| NPs | nanoparticles |
| OCV | open circuit voltage |
| PEC | photoelectrochemical |
| QCM | quartz crystal microbalance |
| QD | quantum dot |
| rGO | reduced graphene oxide |
| ROX | carboxy-x-rhodamine |
| SAM | self-assembled monolayer |
| SAW | surface acoustic wave |
| SELEX | systematic evolution of ligands by exponential enrichment |
| SERS | surface-enhanced Raman scattering |
| SPCE | screen-printed carbon electrode |
| SPE | screen-printed electrode |
| SPR | surface plasmon resonance spectroscopy |
| SSB | ssDNA binding protein |
| ssDNA | single stranded DNA |
| SWV | square wave voltammetry |
| UCNPs | upconversion nanoparticles |