PVA	Polyvinyl Alcohol
PAA	Polyacrylic Acid
PAM	Polyacrylamide
PEG	Polyethylene Glycol
Ge	Gelatin
PNIPAM	Poly (N-isopropylacrylamide)
PDMS	Polydimethylsiloxane
P(DMAEMA-co-HEMA)	Poly(Dimethylaminoethyl Methacrylate-co-Hydroxyethyl Methacrylate)
CMC/CMCs	Carboxymethyl Cellulose/Carboxymethyl Chitosan
BC	Bacterial Cellulose
CS	Chitosan
SA	Sodium Alginate
TA	Tannic Acid
PG	Propylene Glycol
DA	Dopamine
DA@CMC	Dopamine-grafted Carboxymethyl Cellulose
PPTP	PVA-Pectin-TA-CaCl2/NaCl Hydrogel
APS	Ammonium Persulfate
MBAA/MBA/BIS	N,N′-Methylenebisacrylamide
TEMED	Tetramethylethylenediamine
DEAP	2,2-Diethoxyacetophenone
UV2959	2-Hydroxy-4′-(2-hydroxyethoxy)-2-methylpropiophenone
DTT	Dithiothreitol
VC	Vitamin C (Ascorbic Acid)
NSD	Nano-Silicon Dioxide
BP	Benzophenone
AA	Acrylic Acid
AAm	Acrylamide
AM	Acrylamide
AMPS	2-Acrylamido-2-Methylpropane Sulfonic Acid
g-C3N4	Graphitic Carbon Nitride
MXene (Ti3C2Tx)	Titanium Carbide
MoS2	Molybdenum Disulfide
ZnO	Zinc Oxide
FeCl3	Ferric Chloride
CaCl2	Calcium Chloride
NaCl	Sodium Chloride
Cu(NO3)2	Copper(II) Nitrate
GF	Gauge Factor
LOD	Limit of Detection
RT	Room Temperature
NIR	Near-Infrared
UV	Ultraviolet
DN	Double Network
OFS	Optical Fiber Sensor
SERS	Surface enhanced Raman scattering
4-MBA	4-mercaptobenzoic acid
4-MPBA	4-mercaptophenylboronic acid
ECG	Electrocardiogram
EOL	End-of-Life
t_res	Response Time
CDPAP	Collagen-based multifunctional hydrogel (Collagen, Dialdehyde carboxymethyl cellulose, Polyacrylic acid, AlCl3, 1,3-Propanediol
DCMC	Dialdehyde carboxymethyl cellulose
BIS	N,N′-methylenebis(acrylamide)
GO	Graphene Oxide
MWNT	Multi-Walled Carbon Nanotubes
pAAm/carrageenan	Polyacrylamide/carrageenan double network
P(SBMA-co-AAm)	Poly(2-(methacryloyloxy)ethyl) dimethyl-(3-sulfopropyl) ammonium hydroxide-co-acrylamide
Poly(HEAA-co-SBAA)	Poly(2-hydroxyethyl acrylamide)-co-sulfobetaine acrylate
sc–PEG-PLA	Stereocomplex Poly(ethylene glycol)-b-poly (lactic acid)
PEDOT:PSS	Poly(3,4-ethylenedioxythiophene): polystyrenesulfonate
4-MPY	4-Mercaptopyridine
2-NT	2-Naphthalenethiol
4-ATP	4-Aminothiophenol
AI	Artificial Intelligence
LGB	Light Gradient Boosting Machine (Light GBM)
AUC	Area Under the Curve (Receiver Operating Characteristic curve)
PD	Progressive Disease
PR	Partial Response
NC	No Change
I1611/I1583	Ratio of Raman peak intensities
ECHs	Electronically Conductive Hydrogels