CBR	Central-type benzodiazepine receptor
C-Dex	Carboxylated dextran derivatives
CDI	1,1′-carbonyldiimidazole
DSC	Differential scanning calorimetry
EDC	N-(3-dimethylaminopropyl)-N′-ethylcarbodiimide hydrochloride
HOBt	1-hydroxybenzotriazole hydrate
MPTP	Mitochondrial permeability transitional pore
NGs	Nanogels
NPs	Nanoparticles
PBR	Peripheral-type benzodiazepine receptor
PBS	Phosphate buffered saline
PLGA	poly(d,l-lactic-co-glycolic acid)
SEM	Scanning electron microscopy
TEA	Triethylamine
TEER	Transendothelial electrical resistance
TEM	Transmission electron microscopy
TSPO	Translocator protein 18 kDa
TSPO-Dex	TSPO ligand–dextran conjugates