Table 2.

Organic ICG NPs

NP type	NP size (nm)	Tumor nature	In vitro model	In vivo model	Administration routes	References
PLGA-lecithin-PEG	39/68/116	Pancreatic tumor	BxPC-3 cells	Female BALB/c nude mice	Tail vein injection	(55)
PEG-PLL-PLLeu	150–160	Human nonsmall cell lung carcinoma	H460 cells	Female BALB/C nude mice	Tail vein injection	(56)
Liposome	90	Brain tumor	–	Male Fischer 344 rats	Intravenous injection	(61)
Liposome	50	–	–	FVB female mice	Tail vein injection	(62)

Abbreviations: PLGA, Poly-lactic-co-glycolic acid; PEG, polyethylene glycol; PLL, poly(L-lysine); PLLeu, poly(L-leucine).