Table 1.

The mean particle size, size distribution, zeta potential, and drug loading efficiency of NLC.

NLC	Particle size (nm)	Size distribution	Zeta potential (mV)	Drug loading efficiency (%)
				Irinotecan	Quercetin
C I-p/Q NLC	148.9 ± 4.3	0.17 ± 0.02	−15.6 ± 1.9	85.6 ± 3.9	84.1 ± 3.5
Blank NLC	115.3 ± 3.1	0.14 ± 0.03	−21.3 ± 2.9	/	/
I-p/Q NLC	119.5 ± 4.2	0.16 ± 0.03	−20.1 ± 2.1	84.8 ± 3.7	81.6 ± 3.4
I-p NLC	121.3 ± 3.3	0.12 ± 0.02	−19.3 ± 2.6	82.1 ± 3.3	/
I NLC	120.3 ± 3.2	0.13 ± 0.02	−22.5 ± 1.9	83.9 ± 3.5	/
Q NLC	116.8 ± 3.5	0.15 ± 0.03	−23.5 ± 2.3	/	83.2 ± 3.6