3-APBA	3-aminophenyl boronic acid
3-NT	3-nitrotyrosine
AC	alternating current
ANI	aniline
APBA	aminophenyl boronic acid
AuSPE	gold screen-printed electrode
Au-TFE	gold thin film electrode
BSA	bovine serum albumin
BTC	butyrylthiocholine iodide
BuChE	butyrylcholinesterase
CA15-3	cancer antigen 15-3
CNT	carbon nanotube
CS	chitosan solution
CV	cyclic voltammetry
cyt c	cytochrome c
DET	direct electron transport
DNA	deoxyribonucleic acid
DPA	dipicolinic acid
DPV	differential pulse voltammetry
EGTA	ethylene glycol tetraacetic acid
EIS	electrochemical impedance spectroscopy
eMIP	electro synthesized molecularly imprinted polymer
EP	epinephrine
FTIR	Fourier transform infrared spectroscopy
GCE	glassy carbon electrode
GSPE	graphene screen-printed electrode
HER2-ECD	extracellular domain of human epidermal growth factor receptor 2
HTHP	hexameric tyrosine-coordinated heme protein
ITO	indium-tin-oxide
LBL	layer-by-layer
LOD	limit of detection
MIP	molecularly imprinted polymer
mPD	m-phenylenediamine
MUA	mercaptoundecanoic acid
MWCNT	multi-walled carbon nanotubes
ncovNP	SARS-CoV-2 nucleoprotein
NE	norepinephrine
NIP	non-molecular imprinted polymer
NP	nanoparticle
o-PD	o-phenylenediamine
OS	oxidative stress
PANI	polyaniline
PAPBA	polyaminophenylboronic acid
PBS	phosphate-buffered saline
PmPD	poly-m-phenylenediamine
POC	point-of-care
PPD	poly(o-phenylenediamine)
PPy	polypyrrole
Py	pyrrole
RAFT	reversible addition-fragmentation chain transfer
ROS	reactive oxygen species
SAM	self-assembly monolayer
SEM	scanning electron microscopy
SWV	square-wave voltammetry
VEGF	vascular endothelial growth factor