Table 1.

Effect of the lipid to chitosan ratio on particle size(z-average), surface charge, entrapment efficiency, and drug loading.

Lipid: chitosan ratio	Size (nm)	PDI	Surface charge (mV)	EE (%)	DL (%)
5:1	213.0 ± 1.38	0.34	37.1 ± 1.3	83.2 ± 1.2	1.69 ± 0.5
10:1	218.0 ± 0.79	0.43	30.5 ± 2.4	83.8 ± 0.8	1.86 ± 0.6
20:1	181.0 ± 0.43	0.21	21.1 ± 0.8	89.2 ± 0.5	2.07 ± 0.2
30:1	200.9 ± 2.14	0.34	20.5 ± 1.9	89.4 ± 2.3	2.11 ± 0.7

Results indicate average mean ± SD, n = 3.

EE: entrapment efficiency; DL: drug loading