2DNS	Two-dimensional nanostructures
AgNPs	Silver Nanoparticles
AlN	Aluminium Nitride
AuNPs	Gold Nanoparticles
BP	Black Phosphorus
CFU	Colony-Forming unit
CM	Chemical Mechanism
COFs	Covalent Organic Frameworks
CT	Charge Transfer
CV	Crystal Violet
CVD	Chemical Vapour Deposition
DNA	Deoxyribonucleic acid
ECL	Electrochemiluminescence
EF	Enhancement Factor
EM	Electromagnetic Mechanism
g-C3N4	graphitic carbon nitride
GERS	Graphene Enhanced Raman Scattering
GO	Graphene Oxide
h-BN	hexagonal Boron Nitride
HIV	Human immunodeficiency virus
HOMO	Highest Occupied Molecular Orbital
LOD	Limit of Detection
LOQ	Limit of Quantification
LSPR	Localized Surface Plasmon Resonance
LUMO	Lowest unoccupied Molecular Orbital
MB	Methylene Blue
MG	Malachite Green
MOFs	Metal Oxide Frameworks
MoOx	Molybdenum Oxide
MoS2	Molybdenum Sulphate
NPs	Nanoparticles
NWs	Nanowires
OTA	Ochratoxin
PCA	Principal Component Analysis
rGO	reduced Graphene Oxide
Rh6G	Rhodamine 6G
RhB	Rhodamine B
SERS	Surface-Enhanced Raman Scattering
TaN	Tantalum Nitride
TiAlN	Titanium Aluminium Nitride
TiN	Titanium Nitride
TiO2	Titanium Oxide
TMDs	Transition-metal dichalcogenides
WN	Tungsten Nitride
WOx	Tungsten Oxide
WS2	Tungsten Sulphate