Table 2.

Different concentrations of PFP/PLGA-PEG-FA nanoparticles bind with WISH cells (n=3)

PFP/PLGA-PEG-FA concentrations (×104 particles/mL)	Positive cells (%)
0 (64×104 particles/mL PFP/PLGA-PEG-FITC)	0.20±0.07
1	0.52±0.14
2	0.54±0.35
4	0.31±0.13
8	0.60±0.29
16	0.83±0.40
32	0.60±0.21
64	0.73±0.16

Abbreviations: FA, folic acid; FITC, fluorescein isothiocyanate; PEG, polyethylene glycol; PFP, perflenapent; PLGA, poly lactic-co-glycolic acid.