Table 2
IC50of MCF-7 TAX30 cells after 24-, 48-, and 72-h incubation with docetaxel formulated in Taxotere®, PCL, and PCL/Pluronic F68 nanoparticles at various drug concentrations
Incubation time (h)	IC50(μg/ml)
	PCL/Pluronic F68 NPs	PCL NPs	Taxotere®
24	1.019	7.388	10.380
48	0.384	3.643	8.726
72	0.196	1.244	5.945

Mei et al. Nanoscale Research Letters 2009 4:1530   doi:10.1186/1556-276X-4-1530