| α-Fe2O3/MWCNTs | α-ferric oxide/multi-walled carbon nanotubes |
| Ag/MWCNTs | silver decorated multi-walled carbon nanotubes |
| Amp | amperometry |
| CA | chronoamperometry |
| CC | carbon cloth |
| CDE | carbon disc electrode |
| CNF | carbon nanofiber |
| CPE | carbon paste electrode |
| CV | cyclic voltammetry |
| DDAB/Naf | didodecyldimethylammonium bromide/Nafion composite film |
| DPV | differential pulse voltammetry |
| EPD-LnPc2 sensors | electrophoretic deposition-lanthanoid bisphthalocyanines voltammetric multisensor |
| erGO | electrochemically reduced graphene oxide |
| FIA | flow injection analysis |
| g-C3N4/CS | graphite-like carbon nitride/chitosan |
| GCE | glassy carbon electrode |
| GN | graphene nanosheet |
| G-novolac | Graphene–phenolic novolac resin composite |
| GO/MWCNTs | graphene oxide sheets and multi-walled carbon nanotubes nanocomposite |
| La–Ty | Laccase–Tyrosinase |
| L-Cys/SAM | L-cysteine self-assembled monolayers |
| LSV | linear sweep voltammetry |
| MBIBr/NiO-SWCNTs | NiO-embedded single-walled carbon nanotube nanocomposite and n-methyl-3-butylimidazolium bromide |
| MgO/SWCNTs-[Bmim][Tf2N] | magnesium oxide/single-walled carbon nanotubes/1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide |
| MnFe2O4/BMIM-PF6 | MnFe2O4 nanoparticle/1-butyl-3-methylimidazolium hexafluorophosphate |
| MnO2-NPs/MWCNTs | MnO2 nanoparticles decorated multi-walled carbon nanotubes |
| MWCNTs | multi-walled carbon nanotubes |
| pBCP/f-SWCNTs | polybromocresol purple/polyaminobenzene sulfonic acid functionalized single-walled carbon nanotubes |
| PDDA-G | poly(diallyldimethylammoniumchloride) functionalized graphene |
| PEI/MWCNT | polyethyleneimine–multi-walled carbon nanotube |
| PGE | pencil graphite electrode |
| pGlu | poly(glutamic acid) |
| PPy/MWCNT | polypyrrole-multiwalled carbon nanotubes |
| pSY/MWCNTs | poly(Sunset Yellow)/multiwalled carbon nanotubes |
| rG-CdO/MOITF | reduced graphene decorated CdO nanocomposite/1- methyl-3-octylimidazolium tetrafuoroborate ionic liquid |
| rGO-AuNPs/MIP-(a)SPE | molecularly imprinted on reduced graphene oxide-gold nanoparticles modified activated screen printed electrode |
| rGO/ZrHCF-PIGE | reduced graphene oxide/zirconium hexacyanoferrate modified paraffin impregnated graphite electrode |
| SPE | screen-printed electrode |
| SWV | square-wave voltammetry |
| TiO2-NPs/rGO | TiO2 nanoparticle-decorated, chemically reduced graphene oxide |