HMIs	Heavy metal ions	MAA	Methacrylic acid
IIECSs	Ion-imprinted electrochemical sensors	OPD	O-phenylenediamine
IIPs	Ion-imprinted polymers	AA	Acrylic acid
WHO	World Health Organization	AM	Acrylamide
IQ	Intelligence quotient	4-VP	4-Vinylpyridine
SERS	Surface-enhanced Raman spectroscopy	Py	Pyrrole
AAS	Atomic absorption spectrometry	ECSs	Electrochemical sensors
CE	Capillary electrophoresis	CS	Chitosan
ICP-AES	Inductively coupled plasma-atomic emission spectroscopy	NNMBA	N,N′-methylene double acrylamide
IC-UV-vis	Ion chromatography-ultraviolet vis spectrometry	TPPZ	2,3,5,6-Tetra(2-pyridyl) pyrazine
ICP-MS	Inductively coupled plasma mass spectrometry	MMWCNTs	Magnetic multi-walled carbon nanotubes
MP	Microprobe	NPs	Nanoparticles
XFS	X-ray fluorescence spectroscopy	WE	Working electrodes
MIPs	Molecularly imprinted polymers	RE	Reference electrodes
MIECSs	Molecularly imprinted electrochemical sensors	CE	Counter electrodes
MIT	Molecular imprinting technique	ISEs	Ion selective electrodes
HMIIECSs	Heavy metal ions imprinted electrochemical sensors	LOD	Low limit of detection
CPE	Carbon paste electrode	IIMs	Ion-imprinted membranes
APA	Allyl phenoxyacetate	Th	Thiophene
EGDMA	Ethylene glycol dimethacrylate	SCE	Saturated calomel electrode
AIBN	Azobisisobutyronitrile	CV	Cyclic voltammetry
CNF	Carbon nanofibers-grafted	DPV	Differential pulse voltammetry
SEM	Scanning electron microscopy	PPD	P-phenylenediamine
AAM	Acryl amide	THPP	5,10,15,20-Tetrakis(3-hydroxyphenyl)-porphyrin
BAAP	Bis-(2-acryloylamino-ethyl)-phosphinic acid	IL	Ionic liquid
SPCE	Screen-printed carbon electrode	GR	Graphene
PGE	Pencil graphite electrode	rGO	Reduced graphene oxide
PC	Poly catechol	GP	Graphite powder
SPE	Screen printed electrode	EAAP	Ethyl 6-(allyloxy)-2-amino-4-phenyl-4H-benzo[f]chromene-3-carboxylate
DPC	1,5-Dipenylcarbazone	ASV	Anodic stripping voltammetry
CNTs	Carbon nanotubes	DDBHCT	2,2’-(9E,10E)-1,4-Dihydroxy-anthrace-9,10-dimethylene)bis(hydrazi-1-carbonthiona-mide)
SWCNTs	Single-walled carbon nanotubes	APS	Ammonium persulfate
GCE	Glassy carbon electrode	TEM	Transmission electron microscope
DPASV	Differential pulse anodic stripping voltammetry	PPy	Polypyrrole
PAN	1-(2-Pyridazo)-2-naphthol	ERGO	Electrochemical reduction of graphene oxide
LOQ	Limit of quantification	PoPD	Poly (o-phenylenediamine)
SWASV	Square wave anodic stripping voltammetry	EDTA	Ethylene diamine tetraacetic acid
RSD	Relative standard deviation	GQDs	Graphene quantum dots
EIS	Electrochemical impedance spectroscopy	GQDTU	Thiourea derivative-functionalized GQDs
LEDs	Light-emitting devices	g-C3N4	Graphitic carbonitride
ITA	Itaconic acid	NPG	Nanoporous gold
AuNPs	Gold nanomaterials	GE	Gold electrode
MMIECS	Magnetic molecularly imprinted electrochemical sensors	MNMs	Magnetic nanomaterials
GF-AAS	Graphite furnace atomic absorption spectrometry	2-CBT	Benzothiazole-2-carbaldehyde
APTES	3-Aminopropyltriethoxysilane	MPS	Methacryloxypropyltrimethoxysilane
VTES	Vinyltriethoxysilane	SCMNPs	SiO2-coated magnetite nanomaterials
PVC	Polyvinylchloride