5FU	5-fluorouracil	n	diffusional exponent
AA	ascorbic acid	NIR	near-infrared region
CTAB	cetyltrimethylammonium bromide	NVCL	N-vinylcaprolactam
DL	drug loading	NVP	N-vinylpyrrolidone
DMA	dynamic mechanical analysis	PBS	phosphate-buffered saline
DR	drug release	PNVCL	poly(N-vinylcaprolactam)
DSC	differential scanning calorimetry	Q	swelling ratio
EE	encapsulation efficiency	Tg	glass transition temperature
F	fractional drug release	TGA	thermogravimetric analysis
GNRDs	gold nanorods	UV–Vis	UV–Vis spectroscopy
IRGACURE 651®	2,2-dimethoxy-2-phenylacetophenone	Vd	volume of dry hydrogel
k	release rate constant	VPTT	volume phase transition temperature
LAMA	2-lactobionamidoethyl methacrylate	Vs	volume of swelled hydrogel
LSPR	localized surface plasmon resonance	Wd	dry hydrogel mass
M 0	initial mass of drug	Ws	swelled hydrogel mass
MD	mass of drug	Wsol	weight of the absorbed solvent
MDh	mass of drug in the hydrogel	ρd	density of the dry hydrogel
Mt	mass of drug at time t	ρso	density of the solvent