Table 1.

Characterization of DOX-loaded mPEG-PCL nanoparticles^a.

Parameter	PCL-80 nm	mPEG5k-9%-80 nm	mPEG5k-17%-80 nm	mPEG5k-29%-80 nm	mPEG2k-29%-80 nm	mPEG5k-29%-200 nm
Particle size (nm)	81.7 ± 0.9	82.5 ± 1.1	83.2 ± 1.8	86.2 ± 0.6	85.3 ± 0.9	211.5 ± 2.8
PDI	0.104 ± 0.010	0.113 ± 0.008	0.115 ± 0.010	0.108 ± 0.008	0.112 ± 0.008	0.102 ± 0.005
Zeta-potential (mV)	‒1.22 ± 0.04	‒1.25 ± 0.11	‒1.27 ± 0.09	‒1.33 ± 0.10	‒1.24 ± 0.04	‒1.28 ± 0.07
Entrapment efficiency (%)	22.43 ± 0.82	20.74 ± 0.5	21.49 ± 1.59	22.97 ± 1.39	21.69 ± 1.55	36.47 ± 1.56
Drug loading (%)	0.87 ± 0.03	0.79 ± 0.01	0.73 ± 0.03	0.62 ± 0.03	0.62 ± 0.02	0.62 ± 0.02
Fluorescence intensity (×109)	5.31 ± 0.15	5.17 ± 0.09	5.58 ± 0.22	5.10 ± 0.18	5.29 ± 0.13	5.31 ± 0.18

^aData are presented as mean ± SD (n = 3).