Table 1.

IC50 values obtained following the exposure of Jurkat cells with various concentrations of pure SWCNTs, Pl-PEG 2000-SWCNTs and Pl-PEG 2000-SWCNTs.

	IC 50 (µg/mL)
	24 h	48 h	72 h
Pure SWCNTs	300	150	100
Pl-PEG 2000-SWCNTs	400	250	225
Pl-PEG 5000-SWCNTs	>550	450	400