API	Active pharmaceutical ingredient
AAV2	Adeno-associated virus 2
APA	Apatite
ACP	Acetylated-chondroitin sulfate-protoporphyrin
BSA	Bovine serum albumin
CDDP	Cisplatin
CPT	Camptothecin
CS	Chitosan
CT	Computed tomography
COVID-19	Coronavirus disease 2019
DSS	Dextran sodium sulphate
DPPC	1,2-dipalmitoyl-sn-glycerin-3-phosphocholine
DOX	Doxorubicin
DAEs	Diarylethenes
Epo B	Epothilone B
FI	Fluorescence imaging
FA	Folic acid
FPRR	Fluoro-photoacoustic polymeric renal reporter
GSH	Glutathione
GIT	Gastrointestinal tract
GNS	Gold nanostars
GOx	Glucose oxidase
Hf	Hafnium
HPMCAS	Hydroxypropyl methylcellulose acetate succinate
HPPH	Hexyloxyethy-pyropheophorbide
ICG	Indocyanine green
IBD	Inflammatory bowel disease
Ins	Insulin
LCST	Lower critical solubility temperature
MRI	Magnetic resonance imaging
MTX	Methotrexate
MC	Merocyanine
MSNs	Mesoporous silica nanoparticles
MBs	Microbubbles
NCPs	Nanoscale coordination polymers
NQO1	NAD(P)H, quinone oxidoreductase isoenzyme I
Nap	Naproxen
NPCS	N-palmitoyl chitosan
NIPAAm	N-isopropylacrylamide
NIRF	Near-infrared fluorescence
NLC	Nanostructured lipid carrier
OEGMA	Poly (ethylene glycol) methyl ether methacrylate
OSPE	Organic semiconducting pro-nanoenzyme
OxiDEX	Oxidatively sensitive dextran
OPV	Oligo (p-phenylene vinylene) derivative
ONB	O-nitrobenzyl
OEG	Oligo (ethylene glycol)
PBA	Phenylboronic acid
PBE	Phenylboronic ester
PDT	Photodynamic therapy
PLGA	Poly (d,l-lactic-co-glycolic acid)
PEGDA	Poly (ethylene glycol) diacrylate
PS	Polystyrene
PEG	Polyethylene glycol
PEI	Polyethylenimine
PAMAM	Poly(amidoamine)
PNP-UC	PEG-NMAB-PLA-UCNPs
PTX	Paclitaxel
PDP	Pentadecylphenol
pTSL	Polymer-modified temperature-sensitive liposome
PAA	Propylacrylic acid
PAI	Photoacoustic imaging
PGA	Penicillin G amidase
PET	Positron emission tomography
P-gp	P-glycoprotein
ROS	Reactive oxygen species
RAFT	Reversible addition-break chain transfer
SPN	Semiconductor polymer nanoparticles
sPLA2	Phospholipase A2
sUN	Solid ultrasound nanosensor
SP	Spiropyran
TK	Thioketal
TL	Thioketal linker
TGMS	Triglyceride monostearate
TPA	Two-photon absorption
TSL	Temperature-sensitive liposomes
US	Ultrasound
UC	Upconversion
UCST	Upper critical solubility temperature
VEGF	Vascular endothelial growth factor
W/O/W	Water/oil/water