4-CN	4-chloro-1-naphthol
AFP	Alpha-fetoprotein
AgNPs	Silver nanoparticles
anti-tTG IgA	Anti-tissue transglutaminase immunoglobulin A antibodies
anti-tTG IgG	Anti-tissue transglutaminase immunoglobulin G antibodies
ApoE	Apolipoprotein E
ASV	Anodic stripping voltammetry
AuNPs	Gold nanoparticles
BSA-OP	Phosphorylated bovine serum albumin
CEA	Carcinoembryonic antigen
CeO2 NPs	Cerium oxide nanoparticles
CuNPs	Copper nanoparticles
CTCs	Circulating tumour cells
CV	Cyclic voltammetry
CVs	Cyclic voltammograms
DPV	Differential pulse voltammetry
E. coli	Escherichia coli
Fe3O4 NPs	Ferromagnetic nanoparticles
GCE	Glassy carbon electrode
GSH	Glutathione
HBeAg	Hepatitis B e antigen
HBsAg	Hepatitis B surface antigen
HER	Hydrogen evolution reaction
HgSe NPs	Mercury selenide nanoparticles
HIgG	Human Immunoglobulin G
HRP	Horseradish peroxidase
IgG	Immunoglobulin G
IrNPs	Iridium nanoparticles
IrO2 NPs	Iridium oxide nanoparticles
LSV	Linear sweep voltammetry
MBs	Magnetic beads
MoS2 NPs	Molybdenum disulphide nanoparticles
NP(s)	Nanoparticle(s)
OP-BChE	Organophosphorylated butyrylcholinesterase
ORR	Oxygen reduction reaction
PBDE	Polybrominated diphenyl ether
PBS	Sodium phosphate buffer
PdNPs	Palladium nanoparticles
POC	Point-of-care
PVP	Polyvinyl pyrrolidone
PTHrP	Parathyroid hormone-related protein
PtNPs	Platinum nanoparticles
PSA	Prostate specific antigen
QDs	Quantum Dots
SC	Sodium citrate
SCC-Ag	Squamous cell carcinoma antigen
SPEs	Screen-printed electrodes
ssDNA	Single strand DNA
STX	Saxitoxin
STEM	Scanning transmission electron microscope
SWV	Square wave voltammetry
TBBPA-DHEE	Tetrabromobisphenol A bis(2-hydroxyethyl) ether
TMB	3,3’,5,5’-Tetramethylbenzidine
UPD	Under potential deposition
WOR	Water oxidation reaction