Abbreviation	Definition
EBFCs	Enzymatic biofuel cells
BFCs	Biological fuel cells
SPBs	Self-powered biosensors
DET	Direct Electron transfer
IET	Indirect electron transfer
SAMs	self-assembled monolayers
EDC	1-ethyl-3(3-dimethylaminopropyl) carbodiimide
CNT	Carbon nanotube
GOx	Glucose oxidase
BOx	Bilirubin oxidase
GDH	Glucose dehydrogenase
MWCNTs	Multiwalled carbon nanotubes
SWNTs	Single-walled carbon nanotubes
MOF	Metal–organic framework
CNDs	Carbon nanodots
BP	Bucky paper
GO	graphene oxide
rGO	Reduced graphene oxide
ABTS	3-Aminopropyltriethoxysilane
BOD	Bilirubin oxidase
4-APA	4-amino phthalic acid
CS	Chitosan
CNCs	carbon nanochips
GCE	Glassy carbon electrode
Pt	Platinum
FRT	ferritin
AgNPs	Silver nanoparticles
ZnO	Zinc oxide
NADH	nicotinamide adenine dinucleotide with hydrogen
NG	Nitrogen-doped graphene
AuNPs	Gold nanoparticles
FDH	Formate dehydrogenase
PPCA	Poly(pyrrole-2-carboxylic acid
CPs	Conducting polymers
NGQDs	N-doped graphene quantum dots
PANI	Polyaniline
PB	Prussian blue
EPD	Bottom-up electrophoretic deposition
FTIR	Fourier-transform infrared spectroscopy
HRP	Horseradish peroxidase
SEM	Scanning electron microscopy
PQQ	pyrroloquinoline quinone
NQ	4-naphthoquinone
LOx	Lactate oxidase
PSS	Polystyrene sulfonate
AOx	Alcohol oxidase
ADH	Alcohol dehydrogenase
PVP	Polyvinylpyrrolidone
GBFC	Glucose Biofuel Cell
PPO	Polyphenol oxidase
ABS	Animal Brain Stimulator