APC	Automated patch clamp
CBA	Cell-based assay
EDTA	Ethylenediaminetetraacetic acid
EFP	Extracellular field potential
EFSA	European Food Safety Authority
EIS	Electrochemical Impedance Spectroscopy
ELISA	Enzyme-linked immunosorbent assay
HABs	Harmful algal blooms
HEPES	4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid
HPLC	High-performance liquid chromatography
IC50	Half-maximal inhibitory concentration
ITO	Indium tin oxide
LFA	Lateral flow assay
LOD	Limit of detection
MEA	Multi-electrode array
N2a	Neuro-2a cell lines
PET	Polyethylene terephthalate
P-Os redox polymer	Poly(1-vinylimidazole-co-allylamine)-[Os(2,2′-bipyridine)2Cl]Cl
RPMI	Rosewell Park Memorial Institute
RTCA	Real-time cell analysis
SD	Standard deviation
SEM	Standard error of means
STX	Saxitoxin
TTX	Tetrodotoxin
TCO	Transparent conductive oxide
VGSC	Voltage-gated sodium channels