Table 2.

Physicochemical characteristics of L-OHP liposomes (n = 3).

Formulation	Particle size (nm) by DLS	Particle size (nm) by TEM	PDI	Zeta potential (mV)	EE%	DL%
L-OHP bare lip	235.70 ± 20.30	109.05 ± 22.59	0.28 ± 0.01	−8.40 ± 1.52	25.40 ± 2.60	0.92 ± 0.14
L-OHP PEG lip	204.30 ± 1.10	112.89 ± 16.17	0.12 ± 0.05	−35.05 ± 2.26	26.20 ± 2.82	0.98 ± 0.10

DLS: dynamic light scattering; TEM: transmission electron microscopy; PDI: polydispersity index; EE: entrapment efficiency; DL: drug-loading.