Table 1.

IC50 values and ranking of toxicity of green and red CdSe/ZnS and InP/ZnS QDs in Hela cells.

	Size of QDs (from Smallest to Largest)	IC50	Ranking of Toxicity
Green InP/ZnS	3.7–5.2 nm	97 µg/mL	1
Green CdSe/ZnS	6.1–9.5 nm	143 µg/mL	3
Red CdSe/ZnS	5–10 nm	167 µg/mL	4
Red InP/ZnS	10–20 nm	139 µg/mL	2